0001035201 FALSE--12-31 2023 Q3 0001035201 2023-01-01 2023-09-30 0001035201 2023-09-30 xbrli:shares iso4217:USD 0001035201 2022-12-31 iso4217:USD xbrli:shares 0001035201 2023-07-01 2023-09-30 0001035201 2022-07-01 2022-09-30 0001035201 2022-01-01 2022-09-30 0001035201 2021-12-31 0001035201 2022-09-30 cwt:segment 0001035201 cwt:BVRTWaterCompanyMember 2023-09-30 xbrli:pure 0001035201 cwt:ResidentialMember 2023-07-01 2023-09-30 0001035201 cwt:ResidentialMember 2022-07-01 2022-09-30 0001035201 cwt:BusinessMember 2023-07-01 2023-09-30 0001035201 cwt:BusinessMember 2022-07-01 2022-09-30 0001035201 cwt:MultipleResidentialMember 2023-07-01 2023-09-30 0001035201 cwt:MultipleResidentialMember 2022-07-01 2022-09-30 0001035201 cwt:IndustrialMember 2023-07-01 2023-09-30 0001035201 cwt:IndustrialMember 2022-07-01 2022-09-30 0001035201 cwt:PublicAuthoritiesMember 2023-07-01 2023-09-30 0001035201 cwt:PublicAuthoritiesMember 2022-07-01 2022-09-30 0001035201 us-gaap:ServiceOtherMember 2023-07-01 2023-09-30 0001035201 us-gaap:ServiceOtherMember 2022-07-01 2022-09-30 0001035201 cwt:ResidentialMember 2023-01-01 2023-09-30 0001035201 cwt:ResidentialMember 2022-01-01 2022-09-30 0001035201 cwt:BusinessMember 2023-01-01 2023-09-30 0001035201 cwt:BusinessMember 2022-01-01 2022-09-30 0001035201 cwt:MultipleResidentialMember 2023-01-01 2023-09-30 0001035201 cwt:MultipleResidentialMember 2022-01-01 2022-09-30 0001035201 cwt:IndustrialMember 2023-01-01 2023-09-30 0001035201 cwt:IndustrialMember 2022-01-01 2022-09-30 0001035201 cwt:PublicAuthoritiesMember 2023-01-01 2023-09-30 0001035201 cwt:PublicAuthoritiesMember 2022-01-01 2022-09-30 0001035201 us-gaap:ServiceOtherMember 2023-01-01 2023-09-30 0001035201 us-gaap:ServiceOtherMember 2022-01-01 2022-09-30 0001035201 cwt:OperatingAndMaintenanceMember 2023-07-01 2023-09-30 0001035201 cwt:OperatingAndMaintenanceMember 2022-07-01 2022-09-30 0001035201 cwt:OtherNonRegulatedServiceMember 2023-07-01 2023-09-30 0001035201 cwt:OtherNonRegulatedServiceMember 2022-07-01 2022-09-30 0001035201 cwt:NonRegulatedServicesMember 2023-07-01 2023-09-30 0001035201 cwt:NonRegulatedServicesMember 2022-07-01 2022-09-30 0001035201 cwt:OperatingAndMaintenanceMember 2023-01-01 2023-09-30 0001035201 cwt:OperatingAndMaintenanceMember 2022-01-01 2022-09-30 0001035201 cwt:OtherNonRegulatedServiceMember 2023-01-01 2023-09-30 0001035201 cwt:OtherNonRegulatedServiceMember 2022-01-01 2022-09-30 0001035201 cwt:NonRegulatedServicesMember 2023-01-01 2023-09-30 0001035201 cwt:NonRegulatedServicesMember 2022-01-01 2022-09-30 0001035201 cwt:InsuranceProgramsMember 2022-01-01 2022-09-30 0001035201 2022-01-01 2022-12-31 0001035201 us-gaap:RestrictedStockMember srt:OfficerMember 2023-01-01 2023-09-30 0001035201 us-gaap:RestrictedStockMember srt:DirectorMember 2023-01-01 2023-09-30 0001035201 us-gaap:RestrictedStockMember 2023-09-30 0001035201 us-gaap:RestrictedStockMember 2023-01-01 2023-09-30 0001035201 us-gaap:RestrictedStockMember 2022-12-31 0001035201 cwt:PerformanceBasedRestrictedStockUnitAwardsRSUsMember 2023-01-01 2023-09-30 0001035201 cwt:PerformanceBasedRestrictedStockUnitAwardsRSUsMember srt:MinimumMember 2023-01-01 2023-09-30 0001035201 srt:MaximumMember cwt:PerformanceBasedRestrictedStockUnitAwardsRSUsMember 2023-01-01 2023-09-30 0001035201 cwt:PerformanceBasedRestrictedStockUnitAwardsRSUsMember 2023-09-30 0001035201 us-gaap:RestrictedStockUnitsRSUMember 2022-12-31 0001035201 us-gaap:RestrictedStockUnitsRSUMember 2023-01-01 2023-09-30 0001035201 us-gaap:RestrictedStockUnitsRSUMember 2023-09-30 0001035201 2022-04-29 0001035201 2022-04-29 2022-04-29 0001035201 2022-07-25 0001035201 2022-07-26 0001035201 us-gaap:CommonStockMember 2022-12-31 0001035201 us-gaap:AdditionalPaidInCapitalMember 2022-12-31 0001035201 us-gaap:RetainedEarningsMember 2022-12-31 0001035201 us-gaap:NoncontrollingInterestMember 2022-12-31 0001035201 us-gaap:RetainedEarningsMember 2023-01-01 2023-03-31 0001035201 us-gaap:NoncontrollingInterestMember 2023-01-01 2023-03-31 0001035201 2023-01-01 2023-03-31 0001035201 us-gaap:CommonStockMember 2023-01-01 2023-03-31 0001035201 us-gaap:AdditionalPaidInCapitalMember 2023-01-01 2023-03-31 0001035201 us-gaap:CommonStockMember 2023-03-31 0001035201 us-gaap:AdditionalPaidInCapitalMember 2023-03-31 0001035201 us-gaap:RetainedEarningsMember 2023-03-31 0001035201 us-gaap:NoncontrollingInterestMember 2023-03-31 0001035201 2023-03-31 0001035201 us-gaap:RetainedEarningsMember 2023-04-01 2023-06-30 0001035201 us-gaap:NoncontrollingInterestMember 2023-04-01 2023-06-30 0001035201 2023-04-01 2023-06-30 0001035201 us-gaap:CommonStockMember 2023-04-01 2023-06-30 0001035201 us-gaap:AdditionalPaidInCapitalMember 2023-04-01 2023-06-30 0001035201 us-gaap:CommonStockMember 2023-06-30 0001035201 us-gaap:AdditionalPaidInCapitalMember 2023-06-30 0001035201 us-gaap:RetainedEarningsMember 2023-06-30 0001035201 us-gaap:NoncontrollingInterestMember 2023-06-30 0001035201 2023-06-30 0001035201 us-gaap:RetainedEarningsMember 2023-07-01 2023-09-30 0001035201 us-gaap:NoncontrollingInterestMember 2023-07-01 2023-09-30 0001035201 us-gaap:CommonStockMember 2023-07-01 2023-09-30 0001035201 us-gaap:AdditionalPaidInCapitalMember 2023-07-01 2023-09-30 0001035201 us-gaap:CommonStockMember 2023-09-30 0001035201 us-gaap:AdditionalPaidInCapitalMember 2023-09-30 0001035201 us-gaap:RetainedEarningsMember 2023-09-30 0001035201 us-gaap:NoncontrollingInterestMember 2023-09-30 0001035201 us-gaap:CommonStockMember 2021-12-31 0001035201 us-gaap:AdditionalPaidInCapitalMember 2021-12-31 0001035201 us-gaap:RetainedEarningsMember 2021-12-31 0001035201 us-gaap:NoncontrollingInterestMember 2021-12-31 0001035201 us-gaap:RetainedEarningsMember 2022-01-01 2022-03-31 0001035201 us-gaap:NoncontrollingInterestMember 2022-01-01 2022-03-31 0001035201 2022-01-01 2022-03-31 0001035201 us-gaap:CommonStockMember 2022-01-01 2022-03-31 0001035201 us-gaap:AdditionalPaidInCapitalMember 2022-01-01 2022-03-31 0001035201 us-gaap:CommonStockMember 2022-03-31 0001035201 us-gaap:AdditionalPaidInCapitalMember 2022-03-31 0001035201 us-gaap:RetainedEarningsMember 2022-03-31 0001035201 us-gaap:NoncontrollingInterestMember 2022-03-31 0001035201 2022-03-31 0001035201 us-gaap:RetainedEarningsMember 2022-04-01 2022-06-30 0001035201 us-gaap:NoncontrollingInterestMember 2022-04-01 2022-06-30 0001035201 2022-04-01 2022-06-30 0001035201 us-gaap:CommonStockMember 2022-04-01 2022-06-30 0001035201 us-gaap:AdditionalPaidInCapitalMember 2022-04-01 2022-06-30 0001035201 us-gaap:CommonStockMember 2022-06-30 0001035201 us-gaap:AdditionalPaidInCapitalMember 2022-06-30 0001035201 us-gaap:RetainedEarningsMember 2022-06-30 0001035201 us-gaap:NoncontrollingInterestMember 2022-06-30 0001035201 2022-06-30 0001035201 us-gaap:RetainedEarningsMember 2022-07-01 2022-09-30 0001035201 us-gaap:NoncontrollingInterestMember 2022-07-01 2022-09-30 0001035201 us-gaap:CommonStockMember 2022-07-01 2022-09-30 0001035201 us-gaap:AdditionalPaidInCapitalMember 2022-07-01 2022-09-30 0001035201 us-gaap:CommonStockMember 2022-09-30 0001035201 us-gaap:AdditionalPaidInCapitalMember 2022-09-30 0001035201 us-gaap:RetainedEarningsMember 2022-09-30 0001035201 us-gaap:NoncontrollingInterestMember 2022-09-30 0001035201 us-gaap:PensionPlansDefinedBenefitMember 2023-01-01 2023-09-30 0001035201 us-gaap:PensionPlansDefinedBenefitMember 2022-01-01 2022-09-30 0001035201 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2023-01-01 2023-09-30 0001035201 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2022-01-01 2022-09-30 0001035201 us-gaap:PensionPlansDefinedBenefitMember 2023-09-30 0001035201 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2023-09-30 0001035201 us-gaap:PensionPlansDefinedBenefitMember 2023-07-01 2023-09-30 0001035201 us-gaap:PensionPlansDefinedBenefitMember 2022-07-01 2022-09-30 0001035201 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2023-07-01 2023-09-30 0001035201 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2022-07-01 2022-09-30 0001035201 us-gaap:RevolvingCreditFacilityMember 2023-03-31 0001035201 us-gaap:RevolvingCreditFacilityMember 2023-03-31 2023-03-31 0001035201 us-gaap:RevolvingCreditFacilityMember srt:ParentCompanyMember 2023-03-31 0001035201 us-gaap:RevolvingCreditFacilityMember cwt:CalWaterMember 2023-03-31 0001035201 us-gaap:RevolvingCreditFacilityMember srt:MinimumMember us-gaap:BaseRateMember 2019-03-29 2019-03-29 0001035201 srt:MaximumMember us-gaap:RevolvingCreditFacilityMember us-gaap:BaseRateMember 2019-03-29 2019-03-29 0001035201 us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember us-gaap:RevolvingCreditFacilityMember srt:MinimumMember 2019-03-29 2019-03-29 0001035201 srt:MaximumMember us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember us-gaap:RevolvingCreditFacilityMember 2019-03-29 2019-03-29 0001035201 srt:ParentCompanyMember 2023-09-30 0001035201 srt:ParentCompanyMember 2022-12-31 0001035201 cwt:CalWaterMember 2023-09-30 0001035201 cwt:CalWaterMember 2022-12-31 0001035201 us-gaap:RevolvingCreditFacilityMember 2023-01-01 2023-09-30 0001035201 us-gaap:RevolvingCreditFacilityMember 2022-01-01 2022-09-30 0001035201 us-gaap:DefinedBenefitPostretirementHealthCoverageMember 2023-09-30 0001035201 us-gaap:DefinedBenefitPostretirementHealthCoverageMember 2022-12-31 0001035201 us-gaap:DeferredIncomeTaxChargesMember 2023-09-30 0001035201 us-gaap:DeferredIncomeTaxChargesMember 2022-12-31 0001035201 cwt:OtherAccruedBenefitsMember 2023-09-30 0001035201 cwt:OtherAccruedBenefitsMember 2022-12-31 0001035201 cwt:AccountsReceivableNetWRAMAndMCBAAccountsReceivableMember 2023-09-30 0001035201 cwt:AccountsReceivableNetWRAMAndMCBAAccountsReceivableMember 2022-12-31 0001035201 us-gaap:AssetRetirementObligationCostsMember 2023-09-30 0001035201 us-gaap:AssetRetirementObligationCostsMember 2022-12-31 0001035201 cwt:InterimRatesLongTermAccountsReceivableMember srt:MinimumMember 2023-09-30 0001035201 srt:MaximumMember cwt:InterimRatesLongTermAccountsReceivableMember 2023-09-30 0001035201 cwt:InterimRatesLongTermAccountsReceivableMember 2023-09-30 0001035201 cwt:InterimRatesLongTermAccountsReceivableMember 2022-12-31 0001035201 cwt:TankCoatingMember 2023-09-30 0001035201 cwt:TankCoatingMember 2022-12-31 0001035201 cwt:RecoverablePropertyLossesMember 2023-09-30 0001035201 cwt:RecoverablePropertyLossesMember 2022-12-31 0001035201 cwt:PensionBalancingAccountMember 2023-09-30 0001035201 cwt:PensionBalancingAccountMember 2022-12-31 0001035201 cwt:GeneralDistrictBalanceAccountReceivableMember 2023-09-30 0001035201 cwt:GeneralDistrictBalanceAccountReceivableMember 2022-12-31 0001035201 cwt:LowIncomeRateAssistanceAndRateSupportFundAccountsReceivableMember 2023-09-30 0001035201 cwt:LowIncomeRateAssistanceAndRateSupportFundAccountsReceivableMember 2022-12-31 0001035201 cwt:OtherRegulatoryAssetsMember 2023-09-30 0001035201 cwt:OtherRegulatoryAssetsMember 2022-12-31 0001035201 us-gaap:DeferredIncomeTaxChargesMember 2023-09-30 0001035201 us-gaap:DeferredIncomeTaxChargesMember 2022-12-31 0001035201 cwt:PensionAndPostRetirementBenefitsMember 2023-09-30 0001035201 cwt:PensionAndPostRetirementBenefitsMember 2022-12-31 0001035201 cwt:HealthCareBalancingAccountMember 2023-09-30 0001035201 cwt:HealthCareBalancingAccountMember 2022-12-31 0001035201 cwt:PensionBalancingAccountMember 2023-09-30 0001035201 cwt:PensionBalancingAccountMember 2022-12-31 0001035201 cwt:ConservationProgramLiabilityMember 2023-09-30 0001035201 cwt:ConservationProgramLiabilityMember 2022-12-31 0001035201 cwt:NetWRAMandMCBALongtermPayableMember 2023-09-30 0001035201 cwt:NetWRAMandMCBALongtermPayableMember 2022-12-31 0001035201 cwt:OtherComponentsOfNetPeriodicBenefitCostMember 2023-09-30 0001035201 cwt:OtherComponentsOfNetPeriodicBenefitCostMember 2022-12-31 0001035201 cwt:RSFRegulatoryLiabilitiesMember 2023-09-30 0001035201 cwt:RSFRegulatoryLiabilitiesMember 2022-12-31 0001035201 us-gaap:OtherRegulatoryAssetsLiabilitiesMember 2023-09-30 0001035201 us-gaap:OtherRegulatoryAssetsLiabilitiesMember 2022-12-31 0001035201 cwt:CaminoRealMember us-gaap:SupplyCommitmentMember 2022-01-01 2022-12-31 0001035201 cwt:CaminoRealMember us-gaap:SupplyCommitmentMember 2023-01-01 2023-01-31 0001035201 us-gaap:CarryingReportedAmountFairValueDisclosureMember 2023-09-30 0001035201 us-gaap:FairValueInputsLevel1Member us-gaap:EstimateOfFairValueFairValueDisclosureMember 2023-09-30 0001035201 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:FairValueInputsLevel2Member 2023-09-30 0001035201 us-gaap:FairValueInputsLevel3Member us-gaap:EstimateOfFairValueFairValueDisclosureMember 2023-09-30 0001035201 us-gaap:EstimateOfFairValueFairValueDisclosureMember 2023-09-30 0001035201 us-gaap:CarryingReportedAmountFairValueDisclosureMember 2022-12-31 0001035201 us-gaap:FairValueInputsLevel1Member us-gaap:EstimateOfFairValueFairValueDisclosureMember 2022-12-31 0001035201 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:FairValueInputsLevel2Member 2022-12-31 0001035201 us-gaap:FairValueInputsLevel3Member us-gaap:EstimateOfFairValueFairValueDisclosureMember 2022-12-31 0001035201 us-gaap:EstimateOfFairValueFairValueDisclosureMember 2022-12-31 0001035201 srt:ScenarioPreviouslyReportedMember 2022-09-30 0001035201 srt:RevisionOfPriorPeriodErrorCorrectionAdjustmentMember 2022-09-30 0001035201 srt:ScenarioPreviouslyReportedMember 2022-06-30 0001035201 srt:RevisionOfPriorPeriodErrorCorrectionAdjustmentMember 2022-06-30 0001035201 srt:ScenarioPreviouslyReportedMember 2022-03-31 0001035201 srt:RevisionOfPriorPeriodErrorCorrectionAdjustmentMember 2022-03-31
Table of Contents

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 10-Q
(Mark One)

☒ | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2023
or

☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to
Commission File Number 1-13883
CALIFORNIA WATER SERVICE GROUP
(Exact name of registrant as specified in its charter)

Delaware |  | 77-0448994
(State or other jurisdiction |  | (I.R.S. Employer Identification No.)
of incorporation or organization) |  |

1720 North First Street
San Jose, California 95112
(Address of principal executive offices)
408-367-8200
(Registrant’s telephone number, including area code)
Not Applicable
(Former name, former address and former fiscal year, if changed since last report)
Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class: |  | Trading Symbol(s) |  | Name of Each Exchange on Which Registered:
Common Stock, $0.01 par value per share |  | CWT |  | New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No o
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit). Yes ý No o
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act:

Large accelerated filer | ☒ | Accelerated filer | ☐
Non-accelerated filer | ☐ | Smaller reporting company | ☐
|  | Emerging growth company | ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Indicate by check mark whether the registrant is a shell company (as defined in rule 12b-2 of the Exchange Act) Yes ☐ No ☒
As of September 30, 2023 — there were approximately 57,711,000 shares of common stock outstanding.

1

Table of Contents
TABLE OF CONTENTS

| Page
PART I Financial Information | 3
Item 1 Financial Statements | 3
Condensed Consolidated Balance Sheets (unaudited) as of September 30, 2023 and December 31, 2022 | 3
Condensed Consolidated Statements of Operations (unaudited) For the Three and Nine Months Ended September 30, 2023 and 2022 | 4
Condensed Consolidated Statements of Cash Flows (unaudited) For the Nine Months Ended September 30, 2023 and 2022 | 5
Notes to Unaudited Condensed Consolidated Financial Statements | 6
Item 2 Management’s Discussion and Analysis of Financial Condition and Results of Operations | 20
Item 3 Quantitative and Qualitative Disclosure about Market Risk | 35
Item 4 Controls and Procedures | 35
PART II Other Information | 36
Item 1 Legal Proceedings | 36
Item 1A Risk Factors | 36
Item 5 Other Information | 36
Item 6 Exhibits | 37
Signatures | 38

2

Table of Contents
PART I FINANCIAL INFORMATION
Item 1.
FINANCIAL STATEMENTS
The condensed consolidated financial statements presented in this filing on Form 10-Q have been prepared by management and are unaudited.
CALIFORNIA WATER SERVICE GROUP
CONDENSED CONSOLIDATED BALANCE SHEETS
Unaudited (In thousands, except per share data)

| September 30, 2023 |  | December 31, 2022
ASSETS |  |  |
Utility plant: |  |  |
Utility plant | $ | 4,817,310 |  |  | $ | 4,536,272 |
Less accumulated depreciation and amortization | (1,568,986) |  |  | (1,477,402) |
Net utility plant | 3,248,324 |  |  | 3,058,870 |
Current assets: |  |  |
Cash and cash equivalents | 34,735 |  |  | 62,100 |
Restricted cash | 34,315 |  |  | 22,925 |
Receivables: |  |  |
Customers, net | 78,561 |  |  | 55,079 |
Regulatory balancing accounts | 52,918 |  |  | 66,826 |
Other, net | 21,766 |  |  | 20,932 |
Unbilled revenue, net | 45,178 |  |  | 33,140 |
Materials and supplies | 15,454 |  |  | 12,564 |
Taxes, prepaid expenses, and other assets | 19,355 |  |  | 21,969 |
Total current assets | 302,282 |  |  | 295,535 |
Other assets: |  |  |
Regulatory assets | 265,630 |  |  | 283,620 |
Goodwill | 36,814 |  |  | 36,814 |
Other assets | 188,311 |  |  | 175,913 |
Total other assets | 490,755 |  |  | 496,347 |
TOTAL ASSETS | $ | 4,041,361 |  |  | $ | 3,850,752 |
CAPITALIZATION AND LIABILITIES |  |  |
Capitalization: |  |  |
Common stock, $0.01 par value; 136,000 shares authorized, 57,711 and 55,598 outstanding in 2023 and 2022, respectively | $ | 577 |  |  | $ | 556 |
Additional paid-in capital | 875,640 |  |  | 760,336 |
Retained earnings | 534,451 |  |  | 556,698 |
Noncontrolling interests | 4,327 |  |  | 4,804 |
Total equity | 1,414,995 |  |  | 1,322,394 |
Long-term debt, net | 1,051,846 |  |  | 1,052,487 |
Total capitalization | 2,466,841 |  |  | 2,374,881 |
Current liabilities: |  |  |
Current maturities of long-term debt, net | 1,823 |  |  | 3,310 |
Short-term borrowings | 115,000 |  |  | 70,000 |
Accounts payable | 152,869 |  |  | 140,986 |
Regulatory balancing accounts | 26,458 |  |  | 12,240 |
Accrued interest | 17,589 |  |  | 6,490 |
Accrued expenses and other liabilities | 67,401 |  |  | 61,624 |
Total current liabilities | 381,140 |  |  | 294,650 |
Deferred income taxes | 332,869 |  |  | 330,251 |
Pension | 80,674 |  |  | 78,443 |
Regulatory liabilities and other | 289,131 |  |  | 287,294 |
Advances for construction | 200,716 |  |  | 199,832 |
Contributions in aid of construction | 289,990 |  |  | 285,401 |
Commitments and contingencies (Note 10) |  |  |
TOTAL CAPITALIZATION AND LIABILITIES | $ | 4,041,361 |  |  | $ | 3,850,752 |

See Accompanying Notes to Unaudited Condensed Consolidated Financial Statements
3

Table of Contents
CALIFORNIA WATER SERVICE GROUP
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Unaudited (In thousands, except per share data)

|  | Three months ended September 30 |  | Nine months ended September 30
|  | 2023 |  | 2022 |  | 2023 |  | 2022
Operating revenue |  | $ | 254,976 |  |  | $ | 266,307 |  |  | $ | 580,120 |  |  | $ | 645,494 |
Operating expenses: |  |  |  |  |  |  |  |
Operations: |  |  |  |  |  |  |  |
Water production costs |  | 92,347 |  |  | 88,750 |  |  | 218,222 |  |  | 221,195 |
Administrative and general |  | 34,216 |  |  | 33,328 |  |  | 105,177 |  |  | 99,425 |
Other operations |  | 32,331 |  |  | 26,676 |  |  | 74,758 |  |  | 81,945 |
Maintenance |  | 8,930 |  |  | 8,433 |  |  | 24,063 |  |  | 23,389 |
Depreciation and amortization |  | 29,897 |  |  | 28,844 |  |  | 89,636 |  |  | 86,387 |
Income tax expense (benefit) |  | 3,949 |  |  | 5,890 |  |  | (1,366) |  |  | 5,927 |
Property and other taxes |  | 9,832 |  |  | 9,440 |  |  | 27,731 |  |  | 25,853 |
Total operating expenses |  | 211,502 |  |  | 201,361 |  |  | 538,221 |  |  | 544,121 |
Net operating income |  | 43,474 |  |  | 64,946 |  |  | 41,899 |  |  | 101,373 |
Other income and expenses: |  |  |  |  |  |  |  |
Non-regulated revenue |  | 4,535 |  |  | 4,573 |  |  | 13,643 |  |  | 16,772 |
Non-regulated expenses |  | (5,992) |  |  | (6,905) |  |  | (11,224) |  |  | (22,432) |
Other components of net periodic benefit credit |  | 4,776 |  |  | 3,737 |  |  | 14,753 |  |  | 11,516 |
Allowance for equity funds used during construction |  | 1,387 |  |  | 1,004 |  |  | 4,146 |  |  | 3,021 |
Income tax expense on other income and expenses |  | (1,063) |  |  | (353) |  |  | (4,302) |  |  | (1,210) |
Net other income |  | 3,643 |  |  | 2,056 |  |  | 17,016 |  |  | 7,667 |
Interest expense: |  |  |  |  |  |  |  |
Interest expense |  | 13,482 |  |  | 11,891 |  |  | 39,791 |  |  | 34,972 |
Allowance for borrowed funds used during construction |  | (690) |  |  | (572) |  |  | (2,314) |  |  | (1,724) |
Net interest expense |  | 12,792 |  |  | 11,319 |  |  | 37,477 |  |  | 33,248 |
Net income |  | 34,325 |  |  | 55,683 |  |  | 21,438 |  |  | 75,792 |
Net loss attributable to noncontrolling interests |  | (113) |  |  | $ | (189) |  |  | (345) |  |  | (650) |
Net income attributable to California Water Service Group |  | $ | 34,438 |  |  | $ | 55,872 |  |  | $ | 21,783 |  |  | $ | 76,442 |
Earnings per share of common stock: |  |  |  |  |  |  |  |
Basic |  | $ | 0.60 |  |  | $ | 1.03 |  |  | $ | 0.38 |  |  | $ | 1.41 |
Diluted |  | $ | 0.60 |  |  | $ | 1.03 |  |  | $ | 0.38 |  |  | $ | 1.41 |
Weighted average shares outstanding: |  |  |  |  |  |  |  |
Basic |  | 57,704 |  |  | 54,007 |  |  | 56,695 |  |  | 54,063 |
Diluted |  | 57,740 |  |  | 54,042 |  |  | 56,731 |  |  | 54,104 |

See Accompanying Notes to Unaudited Condensed Consolidated Financial Statements
4

Table of Contents
CALIFORNIA WATER SERVICE GROUP
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Unaudited (In thousands)

For the nine months ended |  | September 30, 2023 |  | September 30, 2022
Operating activities: |  |  |  |
Net income |  | $ | 21,438 |  |  | $ | 75,792 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Depreciation and amortization |  | 91,131 |  |  | 88,488 |
Change in value of life insurance contracts |  | (712) |  |  | 9,319 |
Allowance for equity funds used during construction |  | (4,146) |  |  | (3,021) |
Changes in operating assets and liabilities: |  |  |  |
Receivables and unbilled revenue |  | (6,063) |  |  | (67,277) |
Water Arrearages Payment Program cash received |  | — |  |  | 20,836 |
Water Arrearages Payment Program cash returned |  | — |  |  | (3,609) |
Accounts payable |  | 8,865 |  |  | 1,055 |
Other current assets |  | (356) |  |  | 3,293 |
Other current liabilities |  | 14,791 |  |  | 22,447 |
Other changes in noncurrent assets and liabilities |  | 18,560 |  |  | 52,518 |
Net cash provided by operating activities |  | 143,508 |  |  | 199,841 |
Investing activities: |  |  |  |
Utility plant expenditures |  | (274,129) |  |  | (222,088) |
Life insurance proceeds |  | — |  |  | 6,688 |
Purchase of life insurance contracts |  | (2,681) |  |  | (6,688) |
Asset acquisitions |  | (2,816) |  |  | (6,319) |
Net cash used in investing activities |  | (279,626) |  |  | (228,407) |
Financing activities: |  |  |  |
Short-term borrowings, net of issuance costs of $1,552 for 2023 and $0 for 2022 |  | 163,448 |  |  | 95,000 |
Repayment of short-term borrowings |  | (120,000) |  |  | (60,000) |
Repayment of long-term debt |  | (1,546) |  |  | (1,575) |
Advances and contributions in aid of construction |  | 16,707 |  |  | 18,785 |
Refunds of advances for construction |  | (6,881) |  |  | (6,854) |
Repurchase of common stock |  | (1,740) |  |  | (1,891) |
Issuance of common stock, net |  | 114,473 |  |  | 58,709 |
Dividends paid |  | (44,030) |  |  | (40,471) |
Distribution to noncontrolling interest |  | (288) |  |  | (348) |
Net cash provided by financing activities |  | 120,143 |  |  | 61,355 |
Change in cash, cash equivalents, and restricted cash |  | (15,975) |  |  | 32,789 |
Cash, cash equivalents, and restricted cash at beginning of period |  | 85,025 |  |  | 80,653 |
Cash, cash equivalents, and restricted cash at end of period |  | $ | 69,050 |  |  | $ | 113,442 |
Supplemental information: |  |  |  |
Cash paid for interest (net of amounts capitalized) |  | $ | 25,945 |  |  | $ | 19,178 |
Supplemental disclosure of non-cash activities: |  |  |  |
Accrued payables for investments in utility plant |  | $ | 51,435 |  |  | $ | 61,944 |
Utility plant contribution by developers |  | $ | 19,979 |  |  | $ | 15,476 |

See Accompanying Notes to Unaudited Condensed Consolidated Financial Statements
5

Table of Contents
CALIFORNIA WATER SERVICE GROUP
Notes to Unaudited Condensed Consolidated Financial Statements
September 30, 2023
Dollar amounts in thousands, unless otherwise stated
Note 1. Organization and Operations and Basis of Presentation
California Water Service Group (Company) is a holding company that provides water utility and other related services in California, Washington, New Mexico, Hawaii, and Texas through its wholly-owned and non-wholly owned subsidiaries. California Water Service Company (Cal Water), Washington Water Service Company (Washington Water), New Mexico Water Service Company (New Mexico Water), and Hawaii Water Service Company, Inc. (Hawaii Water), provide regulated utility services under the rules and regulations of their respective state’s regulatory commissions (jointly referred to as the Commissions). CWS Utility Services and HWS Utility Services LLC provide non-regulated water utility and utility-related services. TWSC, Inc. (Texas Water) holds a majority investment in a holding company that owns and operates regulated and contracted wastewater utilities.
The Company operates in one reportable segment, providing water and water related utility services.
Basis of Presentation
The unaudited condensed consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and in accordance with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X promulgated by the Securities and Exchange Commission (SEC) and therefore do not contain all of the information and footnotes required by GAAP and the SEC for annual financial statements. Interim financial information includes the Company's accounts and those of its wholly and non-wholly owned subsidiaries. The non-wholly owned subsidiary was consolidated using the voting interest model as the Company owns a majority of the non-wholly owned subsidiary's voting interests. The interim unaudited condensed consolidated financial statements should be read in conjunction with the Company’s consolidated financial statements included in its Annual Report on Form 10-K for the year ended December 31, 2022 as filed with the SEC on March 1, 2023.
The preparation of the Company’s unaudited condensed consolidated interim financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the balance sheet dates and the reported amounts of revenues and expenses for the periods presented. These include, but are not limited to, estimates and assumptions used in determining the Company’s regulatory asset and liability balances based upon probability assessments of regulatory recovery, revenues earned but not yet billed, asset retirement obligations, allowance for credit losses, pension and other employee benefit plan liabilities, and income tax-related assets and liabilities. Actual results could materially differ from these estimates.
In the opinion of management, the accompanying unaudited condensed consolidated interim financial statements reflect all adjustments, consisting of normal recurring transactions that are necessary to provide a fair presentation of the results for the periods covered.
Due to the seasonal nature of the water business, the results for interim periods are not indicative of the results for a 12-month period. Revenue and income are generally higher in the warm, dry summer months when water usage and sales are greater. Revenue and income are generally lower in the winter months when cooler temperatures and rainfall curtail water usage and sales.
Noncontrolling Interests
Noncontrolling interests in the Company’s condensed consolidated financial statements represents a 5.5% interest not owned by Texas Water in a consolidated subsidiary. Since the Company controls this subsidiary, its financial statements are consolidated with those of the Company, and the noncontrolling owner’s 5.5% share of the subsidiary’s net assets and results of operations is deducted and reported as noncontrolling interests on the condensed consolidated balance sheet and as net loss attributable to noncontrolling interests in the condensed consolidated statement of operations. The Company reports noncontrolling interests in consolidated entities as a component of equity separate from the Company’s equity. The Company’s net income attributable to California Water Service Group excludes the net loss attributable to the noncontrolling interests.
6

Table of Contents
Note 2. Summary of Significant Accounting Policies
Operating revenue
The following tables disaggregate the Company’s operating revenue by source for the three and nine months ended September 30, 2023 and 2022:

| Three Months Ended September 30
| 2023 |  | 2022
Revenue from contracts with customers | $ | 253,337 |  |  | $ | 238,268 |
Regulatory balancing account revenue | 1,639 |  |  | 28,039 |
Total operating revenue | $ | 254,976 |  |  | $ | 266,307 |

| Nine Months Ended September 30
| 2023 |  | 2022
Revenue from contracts with customers | $ | 592,768 |  |  | $ | 595,860 |
Regulatory balancing account revenue | (12,648) |  |  | 49,634 |
Total operating revenue | $ | 580,120 |  |  | $ | 645,494 |

Revenue from contracts with customers
The Company principally generates operating revenue from contracts with customers by providing regulated water and wastewater services at tariff-rates authorized by the Commissions in the states in which they operate and non-regulated water and wastewater services at rates authorized by contracts with government agencies. Revenue from contracts with customers reflects amounts billed for the volume of consumption at authorized per unit rates, for a service charge, and for other authorized charges.
The Company satisfies its performance obligation to provide water and wastewater services over time as services are rendered. The Company applies the invoice practical expedient and recognizes revenue from contracts with customers in the amount for which the Company has a right to invoice. The Company has a right to invoice for the volume of consumption, for the service charge, and for other authorized charges.
The measurement of sales to customers is generally based on the reading of their meters, which occurs on a systematic basis throughout the month. At the end of each month, the Company estimates consumption since the date of the last meter reading and the corresponding unbilled revenue is recognized. The estimate is based upon the number of unbilled days that month and the average daily customer billing rate from the previous month (which fluctuates based upon customer usage).
Contract terms are generally short-term and at will by customers and, as a result, no separate financing component is recognized for the Company's collections from customers, which generally require payment within 30 days of billing. The Company applies judgment, based principally on historical payment experience, in estimating its customers’ ability to pay.
Certain customers are not billed for volumetric consumption, but are instead billed a flat rate at the beginning of each monthly service period. The amount billed is initially deferred and subsequently recognized over the monthly service period, as the performance obligation is satisfied. The deferred revenue balance or contract liability, which is included in "accrued expenses and other liabilities" on the unaudited condensed consolidated balance sheets, is inconsequential.
7

Table of Contents
In the following tables, revenue from contracts with customers is disaggregated by class of customers for the three and nine months ended September 30, 2023 and 2022:

| Three Months Ended September 30
| 2023 |  | 2022
Residential | $ | 150,031 |  |  | $ | 140,585 |
Business | 47,707 |  |  | 44,031 |
Multiple residential | 18,778 |  |  | 17,333 |
Industrial | 8,165 |  |  | 8,086 |
Public authorities | 14,522 |  |  | 13,441 |
Other (a) | 14,134 |  |  | 14,792 |
Total revenue from contracts with customers | $ | 253,337 |  |  | $ | 238,268 |

| Nine Months Ended September 30
| 2023 |  | 2022
Residential | $ | 342,806 |  |  | $ | 348,965 |
Business | 117,527 |  |  | 115,472 |
Multiple residential | 50,280 |  |  | 48,343 |
Industrial | 19,672 |  |  | 20,174 |
Public authorities | 29,938 |  |  | 31,310 |
Other (a) | 32,545 |  |  | 31,596 |
Total revenue from contracts with customers | $ | 592,768 |  |  | $ | 595,860 |

(a) Other includes accrued unbilled revenue.
Regulatory balancing account revenue
Regulatory balancing account revenue is revenue related to revenue mechanisms authorized in California by the California Public Utilities Commission (CPUC), which allow the Company to recognize revenue when it is objectively determinable, probable of recovery and expected to be collected within 24 months following the end of the accounting period, and are not considered contracts with customers and are not included in the total revenue from contracts with customers in the table above. To the extent that revenue is estimated to be collectible beyond 24 months, recognition is deferred. Due to a delay in resolution of the most recent Cal Water General Rate Case (GRC) filing (2021 GRC Filing), the Company did not recognize a benefit from any regulatory revenue mechanisms in the first nine months of 2023. For 2022, the Company's authorized regulatory revenue mechanisms included the Water Revenue Adjustment Mechanism (WRAM).
The WRAM decoupled revenue from the volume of the sales and allowed the Company to recognize the adopted level of volumetric revenues. The variance between adopted volumetric revenues and actual billed volumetric revenues for metered accounts was recorded as regulatory balancing account revenue. The WRAM concluded on December 31, 2022.
Regulatory balancing accounts also includes revenue that is recognized for balancing accounts when it is probable that future recovery of previously incurred costs or future refunds that are to be credited to customers will occur through the ratemaking process. These mechanisms, such as the Modified Cost Balancing Account (MCBA), Conservation Expense Balancing Account (CEBA), Pension Cost Balancing Account (PCBA), and Health Cost Balancing Account (HCBA), generally provide for recovery of the adopted levels of expenses for purchased water, purchased power, pump taxes, water conservation program costs, pension, and health care. Variances between adopted and actual costs were recorded as regulatory balancing account revenue in 2022. In 2023, in connection with the CPUC's decision to discontinue the use of the WRAM, the variances for CEBA, HCBA, and PCBA are recorded against the originating expense. The MCBA concluded on December 31, 2022.
8

Table of Contents
The CPUC issued a decision effective August 27, 2020 requiring that Class A companies submitting GRC filings after the effective date be (i) precluded from proposing the use of a full decoupling WRAM in their next GRCs and (ii) allowed the use of Monterey-Style Water Revenue Adjustment Mechanisms (MWRAM). In addition, the CPUC's decision allowed for Incremental Cost Balancing Accounts (ICBAs) to replace the MCBA. The MWRAM tracks the difference between the revenue received for actual metered sales through the tiered volumetric rate and the revenue that would have been received with the same actual metered sales if a uniform rate had been in effect. The ICBA tracks differences between the authorized per-unit prices of water production costs and actual per-unit prices of water production costs. Cal Water complied with this decision in its 2021 GRC Filing and expects the MWRAM and ICBAs to be approved and effective retroactive to January 1, 2023. For the first nine months of 2023, the Company did not record a regulatory asset or regulatory liability for the MWRAM or ICBAs.
Non-regulated Revenue
The following tables disaggregate the Company’s non-regulated revenue by source for the three and nine months ended September 30, 2023 and 2022:

| Three Months Ended September 30
| 2023 |  | 2022
Operating and maintenance revenue | $ | 2,918 |  |  | $ | 3,184 |
Other non-regulated revenue | 972 |  |  | 720 |
Non-regulated revenue from contracts with customers | 3,890 |  |  | 3,904 |
Lease revenue | 645 |  |  | 669 |
Total non-regulated revenue | $ | 4,535 |  |  | $ | 4,573 |

| Nine Months Ended September 30
| 2023 |  | 2022
Operating and maintenance revenue | $ | 9,229 |  |  | $ | 9,822 |
Other non-regulated revenue | 2,553 |  |  | 4,951 |
Non-regulated revenue from contracts with customers | 11,782 |  |  | 14,773 |
Lease revenue | 1,861 |  |  | 1,999 |
Total non-regulated revenue | $ | 13,643 |  |  | $ | 16,772 |

Operating and maintenance services are provided for non-regulated water and wastewater systems owned by private companies and municipalities. The Company negotiates formal agreements with the customers, under which they provide operating, maintenance and customer billing services related to the customers’ water system. The formal agreements outline the fee schedule for the services provided. The agreements typically call for a fee-per-service or a flat-rate amount per month. The Company satisfies its performance obligation of providing operating and maintenance services over time as services are rendered; as a result, the Company employs the invoice practical expedient and recognizes revenue in the amount that it has the right to invoice. Contract terms are generally short-term and, as a result, no separate financing component is recognized for its collections from customers, which generally require payment within 30 days of billing.
Other non-regulated revenue primarily relates to services for the design and installation of water mains and other water infrastructure for customers outside the regulated service areas and insurance program administration. During the first nine months of 2022, the Company recorded a gain of $2.7 million related to company owned life insurance.
Lease revenue is not considered revenue from contracts with customers and is recognized following operating lease standards. The Company is the lessor in operating lease agreements with telecommunications companies under which cellular phone antennas are placed on the Company's property.
Allowance for credit losses
The Company measures expected credit losses for Customer Receivables, Other Receivables, and Unbilled Revenue on an aggregated level. These receivables are generally trade receivables due in one year or less or expected to be billed and collected in one year or less. The expected credit losses for Other Receivables and Unbilled Revenue are inconsequential. Customer receivables include receivables for water and wastewater services provided to residential customers, business, industrial, public authorities, and other customers. The expected credit losses for business, industrial, public authorities, and other customers are inconsequential. The overall risks related to the Company’s receivables are low as water and wastewater services are seen as essential services. The estimate for the allowance for credit losses is based on a historical
9

Table of Contents
loss ratio, in conjunction with a qualitative assessment of elements that impact the collectability of receivables to determine if the allowance for credit losses should be further adjusted. Management's assessment contemplates available current information such as changes in economic factors, regulatory matters, industry trends, payment options and programs available to customers, and the methods that the Company is able to utilize to ensure payment.
The Company reviews its allowance for credit losses utilizing a quantitative assessment, which includes a trend analysis of customer billings and collections, agings by customer class, and unemployment rates. The Company also utilizes a qualitative assessment, which considers the future collectability on customer outstanding balances, management's estimate of the cash recovery, and a general assessment of the economic conditions in the locations the Company serves. Based on these assessments, the Company adjusts its allowance for credit losses.
The following table presents the activity in the allowance for credit losses for the 9-month period ended September 30, 2023 and 12-month period ended December 31, 2022:

Allowance for credit losses | September 30, 2023 |  | December 31, 2022
Beginning balance | $ | 5,629 |  |  | $ | 3,743 |
Provision for credit loss expense | 3,274 |  |  | 5,887 |
Write-offs | (4,527) |  |  | (4,380) |
Recoveries | 413 |  |  | 379 |
Total ending allowance balance | $ | 4,789 |  |  | $ | 5,629 |

Cash, Cash Equivalents, and Restricted Cash
The following table provides a reconciliation of cash, cash equivalents, and restricted cash within the Condensed Consolidated Balance Sheets that sum to the total of the same such amounts shown on the Condensed Consolidated Statements of Cash Flows (see Note 10 for further details on restricted cash):

| September 30, 2023 |  | December 31, 2022
Cash and cash equivalents | $ | 34,735 |  |  | $ | 62,100 |
Restricted cash | 34,315 |  |  | 22,925 |
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows | $ | 69,050 |  |  | $ | 85,025 |

Note 3. Stock-based Compensation
The Company's equity incentive plan was approved and amended by stockholders on April 27, 2005 and May 20, 2014, respectively. The Company is authorized to issue awards up to 2,000,000 shares of common stock.
During the first nine months of 2023, the Company granted Restricted Stock Awards (RSAs) to Officers and members of the Board of Directors. An RSA share represents the right to receive a restricted share of the Company's common stock and is valued based on the fair market value of the Company's common stock at the date of grant. RSAs granted to Officers vest over 36 months with the first year cliff vesting. In general, RSAs granted to Board members vest at the end of 12 months. The RSAs are recognized as expense evenly over 36 months for shares granted to Officers and 12 months for shares granted to Board members. As of September 30, 2023, there was approximately $2.3 million of total unrecognized compensation cost related to RSAs. The cost is expected to be recognized over a weighted average period of 1.7 years.
A summary of the status of outstanding RSAs as of September 30, 2023 is presented below:

| Number of RSA Shares |  | Weighted-Average Grant-Date Fair Value
RSAs at January 1, 2023 | 52,066 |  |  | $ | 55.77 |
Granted | 43,834 |  |  | 55.38 |
Vested | (37,210) |  |  | 55.76 |
Forfeited | (2,025) |  |  | 55.59 |
RSAs at September 30, 2023 | 56,665 |  |  | $ | 55.50 |

10

Table of Contents
During the first nine months of 2023, the Company granted performance-based Restricted Stock Units (RSUs) to Officers. An RSU represents the right to receive a share of the Company's common stock. Each award reflects a target number shares of common stock that may be issued to the award recipient. The 2023 awards may be earned upon the completion of a 3-year performance period. Whether RSUs are earned at the end of the performance period will be determined based on the achievement of certain performance objectives set by the Organization and Compensation Committee of the Board of Directors in connection with the issuance of the RSUs. The performance objectives are based on the Company's business plan covering the performance period. The performance objectives include achieving the budgeted return on equity, growth in stockholders' equity, and environmental, social, and governance targets. Depending on the results achieved during the 3-year performance period, the actual number of shares that a grant recipient receives at the end of the performance period may range from 0% to 200% of the target shares granted, provided that the grantee is continuously employed by the Company through the vesting date. If prior to the vesting date employment is terminated by reason of death, disability or normal retirement, then a pro rata portion of this award will vest. The RSUs are recognized as expense ratably over the 3-year performance period using the fair market value of the Company's common share at the date of grant and an estimated number of RSUs that will vest during the performance period. As of September 30, 2023, there was approximately $2.9 million of total unrecognized compensation cost related to RSUs. The cost is expected to be recognized over a weighted average period of 2.0 years.
A summary of the status of outstanding RSUs as of September 30, 2023 is presented below:

| Number of RSU Shares |  | Weighted-Average Grant-Date Fair Value
RSUs at January 1, 2023 | 92,625 |  |  | $ | 54.06 |
Granted | 43,633 |  |  | 55.48 |
Performance criteria adjustment | 14,822 |  |  | 56.84 |
Vested | (40,589) |  |  | 56.84 |
Forfeited | (14,309) |  |  | 54.25 |
RSUs at September 30, 2023 | 96,182 |  |  | $ | 55.40 |

The Company has recorded compensation costs for the RSAs and RSUs that are included in administrative and general operating expenses in the amount of $1.2 million and $1.6 million for the three months ended September 30, 2023 and 2022, respectively. For the nine months ended September 30, 2023 and 2022, the Company has recorded compensation costs for the RSAs and RSUs in the amount of $2.7 million and $3.5 million, respectively.
Note 4. Equity
On April 29, 2022, the Company entered into an equity distribution agreement to sell shares of its common stock having an aggregate gross sales price of up to $350.0 million from time to time depending on market conditions through an at-the-market equity program over the next three years. The Company intends to use the net proceeds from these sales, after deducting sales commissions and offering expenses, for general corporate purposes, which may include working capital, construction and acquisition expenditures, investments and repurchases, and redemptions of securities. The Company did not utilize its at-the-market equity program during the three months ended September 30, 2023. During the three months ended September 30, 2022, the Company sold 461,034 shares of common stock through its at-the-market equity program and raised proceeds of $26.9 million, net of $0.3 million in sales commissions.
The Company sold 2,025,891 shares of common stock through its at-the-market equity program and raised proceeds of $112.7 million, net of $1.1 million in sales commissions paid during the nine months ended September 30, 2023. During the nine months ended September 30, 2022, the Company sold 1,035,668 shares of common stock through its at-the-market equity program and raised proceeds of $57.1 million, net of $0.6 million in sales commissions.
As approved by the Company's stockholders at the 2022 Annual Meeting, effective July 26, 2022, the aggregate number of shares of common stock which the Company shall have authority to issue was increased from 68.0 million shares to 136.0 million shares. All of said 136.0 million shares shall be of one and the same series, namely shares with par value of $0.01 per share.
11

Table of Contents
The Company’s changes in total equity for the three and nine months ended September 30, 2023 and 2022 were as follows:

| Nine months ended September 30, 2023
| Common Stock |  | Additional Paid-in Capital |  | Retained Earnings |  | Noncontrolling Interests |  | Total Equity
| Shares |  | Amount |  |  |  |
| (In thousands)
Balance at January 1, 2023 | 55,598 |  |  | $ | 556 |  |  | $ | 760,336 |  |  | $ | 556,698 |  |  | $ | 4,804 |  |  | $ | 1,322,394 |
Net loss | — |  |  | — |  |  | — |  |  | (22,211) |  |  | (123) |  |  | (22,334) |
Issuance of common stock | 420 |  |  | 4 |  |  | 18,922 |  |  | — |  |  | — |  |  | 18,926 |
Repurchase of common stock | (27) |  |  | — |  |  | (1,542) |  |  | — |  |  | — |  |  | (1,542) |
Dividends paid on common stock ($0.2600 per share) | — |  |  | — |  |  | — |  |  | (14,456) |  |  | — |  |  | (14,456) |
Investment in business with noncontrolling interest | — |  |  | — |  |  | (111) |  |  | — |  |  | 111 |  |  | — |
Balance at March 31, 2023 | 55,991 |  |  | 560 |  |  | 777,605 |  |  | 520,031 |  |  | 4,792 |  |  | 1,302,988 |
Net income (loss) | — |  |  | — |  |  | — |  |  | 9,556 |  |  | (109) |  |  | 9,447 |
Issuance of common stock | 1,713 |  |  | 17 |  |  | 96,482 |  |  | — |  |  | — |  |  | 96,499 |
Repurchase of common stock | (2) |  |  | — |  |  | (108) |  |  | — |  |  | — |  |  | (108) |
Dividends paid on common stock ($0.2600 per share) | — |  |  | — |  |  | — |  |  | (14,571) |  |  | — |  |  | (14,571) |
Investment in business with noncontrolling interest | — |  |  | — |  |  | (56) |  |  | — |  |  | 56 |  |  | — |
Distribution to noncontrolling interest | — |  |  | — |  |  | — |  |  | — |  |  | (288) |  |  | (288) |
Balance at June 30, 2023 | 57,702 |  |  | 577 |  |  | 873,923 |  |  | 515,016 |  |  | 4,451 |  |  | 1,393,967 |
Net income (loss) | — |  |  | — |  |  | — |  |  | 34,438 |  |  | (113) |  |  | 34,325 |
Issuance of common stock | 11 |  |  | — |  |  | 1,796 |  |  | — |  |  | — |  |  | 1,796 |
Repurchase of common stock | (2) |  |  | — |  |  | (90) |  |  | — |  |  | — |  |  | (90) |
Dividends paid on common stock ($0.2600 per share) | — |  |  | — |  |  | — |  |  | (15,003) |  |  | — |  |  | (15,003) |
Investment in business with noncontrolling interest | — |  |  | — |  |  | 11 |  |  | — |  |  | (11) |  |  | — |
Balance at September 30, 2023 | 57,711 |  |  | $ | 577 |  |  | $ | 875,640 |  |  | $ | 534,451 |  |  | $ | 4,327 |  |  | $ | 1,414,995 |

12

Table of Contents

| Nine months ended September 30, 2022
| Common Stock |  | Additional Paid-in Capital |  | Retained Earnings |  | Noncontrolling Interests |  | Total Equity
| Shares |  | Amount |  |  |  |
| (In thousands)
Balance at January 1, 2022 | 53,716 |  |  | $ | 537 |  |  | $ | 651,121 |  |  | $ | 514,873 |  |  | $ | 5,386 |  |  | $ | 1,171,917 |
Net income (loss) | — |  |  | — |  |  | — |  |  | 1,086 |  |  | (192) |  |  | 894 |
Issuance of common stock | 85 |  |  | 1 |  |  | 1,106 |  |  | — |  |  | — |  |  | 1,107 |
Repurchase of common stock | (28) |  |  | — |  |  | (1,674) |  |  | — |  |  | — |  |  | (1,674) |
Dividends paid on common stock ($0.2500 per share) | — |  |  | — |  |  | — |  |  | (13,429) |  |  | — |  |  | (13,429) |
Investment in business with noncontrolling interest | — |  |  | — |  |  | (54) |  |  | — |  |  | 54 |  |  | — |
Balance at March 31, 2022 | 53,773 |  |  | 538 |  |  | 650,499 |  |  | 502,530 |  |  | 5,248 |  |  | 1,158,815 |
Net income (loss) | — |  |  | — |  |  | — |  |  | 19,484 |  |  | (269) |  |  | 19,215 |
Issuance of common stock | 585 |  |  | 6 |  |  | 32,118 |  |  | — |  |  | — |  |  | 32,124 |
Repurchase of common stock | (2) |  |  | — |  |  | (111) |  |  | — |  |  | — |  |  | (111) |
Dividends paid on common stock ($0.2500 per share) | — |  |  | — |  |  | — |  |  | (13,452) |  |  | — |  |  | (13,452) |
Investment in business with noncontrolling interest | — |  |  | — |  |  | (153) |  |  | — |  |  | 153 |  |  | — |
Distribution to noncontrolling interest | — |  |  | — |  |  | — |  |  | — |  |  | (348) |  |  | (348) |
Balance at June 30, 2022 | 54,356 |  |  | 544 |  |  | 682,353 |  |  | 508,562 |  |  | 4,784 |  |  | 1,196,243 |
Net income (loss) | — |  |  | — |  |  | — |  |  | 55,872 |  |  | (189) |  |  | 55,683 |
Issuance of common stock | 470 |  |  | 4 |  |  | 29,034 |  |  | — |  |  | — |  |  | 29,038 |
Repurchase of common stock | (2) |  |  | — |  |  | (105) |  |  | — |  |  | — |  |  | (105) |
Dividends paid on common stock ($0.2500 per share) | — |  |  | — |  |  | — |  |  | (13,590) |  |  | — |  |  | (13,590) |
Investment in business with noncontrolling interest | — |  |  | — |  |  | (278) |  |  | — |  |  | 278 |  |  | — |
Balance at September 30, 2022 | 54,824 |  |  | $ | 548 |  |  | $ | 711,004 |  |  | $ | 550,844 |  |  | $ | 4,873 |  |  | $ | 1,267,269 |

13

Table of Contents
Note 5. Earnings Per Share of Common Stock
The computations of basic and diluted earnings per share of common stock are noted in the tables below. Basic earnings per share of common stock is computed by dividing the net income attributable to California Water Service Group by the weighted average number of common shares outstanding during the period. RSAs are included in the weighted average common shares outstanding because the shares have all the same voting and dividend rights as issued and unrestricted common stock.

| Three Months Ended September 30
| 2023 |  | 2022
| (In thousands, except per share data)
Net income | $ | 34,325 |  |  | $ | 55,683 |
Net loss attributable to noncontrolling interests | $ | (113) |  |  | $ | (189) |
Net income attributable to California Water Service Group | $ | 34,438 |  |  | $ | 55,872 |
Weighted average common shares outstanding, basic | 57,704 |  |  | 54,007 |
Weighted average common shares outstanding, dilutive | 57,740 |  |  | 54,042 |
Earnings per share of common stock - basic | $ | 0.60 |  |  | $ | 1.03 |
Earnings per share of common stock - diluted | $ | 0.60 |  |  | $ | 1.03 |

|  | Nine Months Ended September 30
|  | 2023 |  | 2022
|  | (In thousands, except per share data)
| Net income | $ | 21,438 |  |  | $ | 75,792 |
| Net loss attributable to noncontrolling interests | $ | (345) |  |  | $ | (650) |
| Net income attributable to California Water Service Group | $ | 21,783 |  |  | $ | 76,442 |
| Weighted average common shares outstanding, basic | 56,695 |  |  | 54,063 |
| Weighted average common shares outstanding, dilutive | 56,731 |  |  | 54,104 |
| Earnings per share of common stock - basic | $ | 0.38 |  |  | $ | 1.41 |
| Earnings per share of common stock - diluted | $ | 0.38 |  |  | $ | 1.41 |

Note 6. Pension Plan and Other Postretirement Benefits
The Company provides a qualified, defined-benefit, non-contributory pension plan for substantially all employees. The Company makes annual contributions to fund amounts accrued for the qualified pension plan. The Company also maintains an unfunded, non-qualified, supplemental executive retirement plan. The costs of the plans are charged to expense or are capitalized in utility plant as appropriate.
The Company offers medical, dental, vision, and life insurance benefits for retirees and their spouses and dependents. Participants are required to pay a premium, which offsets a portion of the cost.
Cash contributions made by the Company to the pension plans were $2.9 million and $12.4 million for the nine months ended September 30, 2023 and 2022, respectively. Cash contributions made by the Company to the other postretirement benefit plans were $0.2 million and $0.5 million for the nine months ended September 30, 2023 and 2022, respectively. The total 2023 estimated cash contributions to the pension plans and other postretirement benefits plans are expected to be approximately $2.9 million and $0.2 million, respectively.
14

Table of Contents
The following tables list components of net periodic benefit costs for the pension plans and other postretirement benefits. The data listed under “pension plan” includes the qualified pension plan and the non-qualified supplemental executive retirement plan. The data listed under “other benefits” is for all other postretirement benefits.

| Three Months Ended September 30
| Pension Plan |  | Other Benefits
| 2023 |  | 2022 |  | 2023 |  | 2022
Service cost | $ | 6,046 |  |  | $ | 9,235 |  |  | $ | 1,126 |  |  | $ | 1,683 |
Interest cost | 8,746 |  |  | 6,329 |  |  | 1,297 |  |  | 1,008 |
Expected return on plan assets | (13,421) |  |  | (11,307) |  |  | (2,636) |  |  | (2,482) |
Amortization of prior service cost | 131 |  |  | 242 |  |  | 39 |  |  | 39 |
Recognized net actuarial (gain) loss | (637) |  |  | 999 |  |  | (581) |  |  | (228) |
Net periodic benefit cost (credit) | $ | 865 |  |  | $ | 5,498 |  |  | $ | (755) |  |  | $ | 20 |

|  | Nine Months Ended September 30
|  | Pension Plan |  | Other Benefits
|  | 2023 |  | 2022 |  | 2023 |  | 2022
| Service cost | $ | 18,137 |  |  | $ | 27,704 |  |  | $ | 3,379 |  |  | $ | 5,048 |
| Interest cost | 26,238 |  |  | 18,986 |  |  | 3,892 |  |  | 3,024 |
| Expected return on plan assets | (40,263) |  |  | (33,920) |  |  | (7,907) |  |  | (7,445) |
| Amortization of prior service cost | 394 |  |  | 727 |  |  | 116 |  |  | 117 |
| Recognized net actuarial (gain) loss | (1,911) |  |  | 2,997 |  |  | (1,744) |  |  | (685) |
| Net periodic benefit cost (credit) | $ | 2,595 |  |  | $ | 16,494 |  |  | $ | (2,264) |  |  | $ | 59 |

Service cost portion of the pension plan and other postretirement benefits is recognized in "administrative and general" expenses within the Condensed Consolidated Statements of Operations. Other components of net periodic benefit costs include interest costs, expected return on plan assets, amortization of prior service costs, and recognized net actuarial loss and are reported together as "other components of net periodic benefit cost" within the Condensed Consolidated Statements of Operations.
15

Table of Contents
Note 7. Short-term and Long-term Borrowings
On March 31, 2023, the Company and Cal Water entered into syndicated credit agreements, which provide for unsecured revolving credit facilities of up to an initial aggregate amount of $600.0 million for a term of five years. The Company and subsidiaries that it designates may borrow up to $200.0 million under the Company’s revolving credit facility (the Company facility). Cal Water may borrow up to $400.0 million under its revolving credit facility (the Cal Water facility). Additionally, the credit facilities may be increased by up to an incremental $150.0 million under the Cal Water facility and $50.0 million under the Company facility, subject in each case to certain conditions. At the Company’s or Cal Water's option, as applicable, borrowings under the Company and Cal Water facilities, as applicable, will bear interest annually at a rate equal to (i) the base rate, plus an applicable margin of 0.00% to 0.250%, depending on the Company and its subsidiaries' consolidated total capitalization ratio, or (ii) Term SOFR, plus an applicable margin of 0.800% to 1.250%, depending on the Company and its subsidiaries' consolidated total capitalization ratio.
The Company and Cal Water facilities contain affirmative and negative covenants and events of default customary for credit facilities of this type including, among other things, limitations and prohibitions relating to additional indebtedness, liens, mergers, and asset sales. Also, the Company and Cal Water facilities contain financial covenants governing the Company and its subsidiaries' consolidated total capitalization ratio and interest coverage ratio. As of September 30, 2023, the Company and Cal Water are in compliance with all of the covenant requirements and are eligible to use the full amount of the undrawn portion of the Company and Cal Water facilities, as applicable.
Borrowings on the Company facility as of each of September 30, 2023 and December 31, 2022 were $35.0 million. Borrowings on the Cal Water facility as of September 30, 2023 and December 31, 2022 were $80.0 million and $35.0 million, respectively. The average borrowing rate for borrowings on the Company and Cal Water facilities during the nine months ended September 30, 2023 was 5.96% compared to 2.18% for the same period last year.
Note 8. Income Taxes
The Company adjusts its effective tax rate each quarter to be consistent with the estimated annual effective tax rate. The Company also records the tax effect of unusual or infrequently occurring discrete items.
The provision for income taxes is shown in the tables below:

| Three Months Ended September 30
| 2023 |  | 2022
Income tax expense | $ | 5,012 |  |  | $ | 6,243 |

| Nine Months Ended September 30
| 2023 |  | 2022
Income tax expense | $ | 2,936 |  |  | $ | 7,137 |

Income tax expense decreased $1.2 million to $5.0 million in the third quarter of 2023 as compared to $6.2 million in the third quarter of 2022, primarily due to a decrease in the pre-tax income in the third quarter of 2023 as compared to the same period in 2022.
Income tax expense decreased $4.2 million to $2.9 million for the first nine months of 2023 as compared to $7.1 million for the first nine months of 2022, primarily due to a decrease in the pre-tax income in the first nine months of 2023 as compared to 2022.
The Company’s effective tax rate was 11.4% before discrete items as of September 30, 2023 and September 30, 2022.
The Company had unrecognized tax benefits of approximately $14.8 million and $16.9 million as of September 30, 2023 and 2022, respectively. Included in the balance of unrecognized tax benefits as of September 30, 2023 and 2022, is $4.6 million and $4.2 million, respectively, of tax benefits that, if recognized, would result in an adjustment to the Company’s effective tax rate. The Company does not expect its unrecognized tax benefits to change significantly within the next 12 months.
16

Table of Contents
Note 9. Regulatory Assets and Liabilities
Regulatory assets and liabilities were comprised of the following as of September 30, 2023 and December 31, 2022:

| Recovery Period |  | September 30, 2023 |  | December 31, 2022
Regulatory Assets |  |  |  |  |
Retiree group health | Indefinite |  | $ | — |  |  | $ | 171 |
Property-related temporary differences (tax benefits flowed through to customers) | Indefinite |  | 143,546 |  |  | 143,546 |
Other accrued benefits | Indefinite |  | 25,762 |  |  | 24,946 |
Net WRAM and MCBA long-term accounts receivable | Various |  | 34,810 |  |  | 41,558 |
Asset retirement obligations, net | Indefinite |  | 26,930 |  |  | 24,548 |
Interim rates memorandum account (IRMA) long-term accounts receivable | 1 - 2 years |  | 3,407 |  |  | 3,682 |
Tank coating | Various |  | 18,910 |  |  | 16,395 |
Recoverable property losses | Various |  | 2,743 |  |  | 3,144 |
PCBA | Various |  | 3,661 |  |  | 19,091 |
General district balancing account receivable | 1 year |  | 389 |  |  | 377 |
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable | 1 year |  | 2,450 |  |  | 2,965 |
Other regulatory assets | Various |  | 3,022 |  |  | 3,197 |
Total Regulatory Assets |  |  | $ | 265,630 |  |  | $ | 283,620 |
Regulatory Liabilities |  |  |  |  |
Future tax benefits due to customers |  |  | $ | 131,218 |  |  | $ | 131,155 |
Pension and retiree group health |  |  | 58,678 |  |  | 58,678 |
HCBA |  |  | 2,771 |  |  | 14,318 |
PCBA |  |  | 5,799 |  |  | — |
CEBA |  |  | 1,424 |  |  | 6,036 |
Net WRAM and MCBA long-term payable |  |  | 2,065 |  |  | 172 |
Other components of net periodic benefit cost |  |  | 7,975 |  |  | 2,475 |
RSF regulatory liability |  |  | 1,269 |  |  | — |
Other regulatory liabilities |  |  | 1,465 |  |  | 845 |
Total Regulatory Liabilities |  |  | $ | 212,664 |  |  | $ | 213,679 |

Short-term regulatory assets and liabilities are excluded from the above table.
The short-term regulatory assets were $52.9 million as of September 30, 2023 and $66.8 million as of December 31, 2022. The short-term regulatory assets as of September 30, 2023 primarily consist of net WRAM and MCBA and PCBA receivables. As of December 31, 2022, the short-term regulatory assets primarily consist of net WRAM and MCBA, IRMA, and PCBA receivables.
The short-term portions of regulatory liabilities were $26.5 million as of September 30, 2023 and $12.2 million as of December 31, 2022. The short-term regulatory liabilities as of September 30, 2023 primarily consist of TCJA, HCBA and CEBA liabilities. As of December 31, 2022, the short-term regulatory liabilities primarily consist of TCJA liabilities.
17

Table of Contents
Note 10. Commitments and Contingencies
Commitments
The Company has significant commitments to purchase water from water wholesalers. The Company also has operating and finance leases for water systems, offices, land easements, licenses, equipment, and other facilities. These commitments and leases are described in the Company's Annual Report on Form 10-K for the year ended December 31, 2022.
On August 16, 2022, BVRT Utility Holding Company (BVRT), a majority owned subsidiary of Texas Water, entered into a long-term water supply agreement with the Guadalupe Blanco River Authority (GBRA) through its wholly owned subsidiary, Camino Real Utility (Camino Real). The Company has provided a limited guarantee to GBRA for the agreed upon obligations. GBRA is a water conservation and reclamation district established by the Texas Legislature that oversees water resources for 10 counties. Under the terms of the agreement with GBRA, Camino Real is contracted to receive up to 2,419 acre-feet of potable water annually. The GBRA agreement involves four off-takers, including Camino Real, and GBRA plans to extend a potable water pipeline from the City of Lockhart to the City of Mustang Ridge and surrounding areas. Camino Real is contracted to be the utility service provider in this area of the Austin metropolitan region and to provide potable water, recycled water, and wastewater services to portions of the City of Mustang Ridge and surrounding areas. In 2022, Camino Real committed $21.5 million for its share of the cost of the pipeline project and committed an additional $11.1 million for its share of the cost of the pipeline project in January of 2023. As of September 30, 2023, this committed cash has not been transferred to GBRA and is classified as part of restricted cash on the Condensed Consolidated Balance Sheets. The Company currently expects the committed cash to be transferred to GBRA in the first half of 2024.
Contingencies
Groundwater Contamination
The Company has undertaken litigation against third parties to recover past and anticipated costs related to groundwater contamination in our service areas. The cost of litigation is expensed as incurred and any settlement is first offset against such costs. The CPUC’s general policy requires all proceeds from groundwater contamination litigation to be used first to pay transactional expenses, then to make customers whole for water treatment costs to comply with the CPUC’s water quality standards. The CPUC allows for a risk-based consideration of contamination proceeds which exceed the costs of the remediation described above and may result in some sharing of proceeds with shareholders, determined on a case by case basis. The CPUC has authorized various memorandum accounts that allow the Company to track significant litigation costs and to request recovery of these costs in future filings.
Other Legal Matters
From time to time, the Company is involved in various disputes and litigation matters that arise in the ordinary course of business. The status of each significant matter is reviewed and assessed for potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and the amount of the range of loss can be estimated, a liability is accrued for the estimated loss in accordance with the accounting standards for contingencies. Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based on the best information available at the time. While the outcome of these disputes and litigation matters cannot be predicted with any certainty, management does not believe, when taking into account existing reserves, the ultimate resolution of these matters will materially affect the Company’s financial position, results of operations, or cash flows. As of September 30, 2023 and December 31, 2022, the Company recognized a liability of $5.6 million and $5.3 million, respectively, prior to insurance recoveries, for known legal matters primarily due to potable water leaks and other work-related legal matters. The cost of litigation is expensed as incurred and any settlement is first offset against such costs. Any settlement in excess of the cost to litigate is accounted for on a case by case basis, dependent on the nature of the settlement.
18

Table of Contents
Note 11. Fair Value of Financial Assets and Liabilities
The accounting guidance for fair value measurements and disclosures provides a single definition of fair value and requires certain disclosures about assets and liabilities measured at fair value. A hierarchical framework for disclosing the observability of the inputs utilized in measuring assets and liabilities at fair value is established by this guidance. The three levels in the hierarchy are as follows:
Level 1 - Inputs to the valuation methodology are unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to access.
Level 2 - Inputs to the valuation methodology include:
•Quoted market prices for similar assets or liabilities in active markets;
•Quoted prices for identical or similar assets or liabilities in inactive markets;
•Inputs other than quoted prices that are observable for the asset or liability; and
•Inputs that are derived principally from or corroborated by observable market data by correlation or other means.
If the asset or liability has a specified (contractual) term, the level 2 input must be observable for substantially the full term of the asset or liability.
Level 3 - Inputs to the valuation methodology are unobservable and significant to the fair value measurement.
Specific valuation methods include the following:
Cash, Accounts receivable, short-term borrowings, and accounts payable carrying amounts approximated the fair value because of the short-term maturity of the instruments.
Long-term debt fair values were estimated using the published quoted market price of similar securities, if available, or the discounted cash flow analysis, based on the current rates available using a risk-free rate (a U.S. Treasury securities yield curve) plus a risk premium of 0.60%.

| September 30, 2023
|  |  | Fair Value
| Cost |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Long-term debt, including current maturities, net | $ | 1,053,669 |  |  | $ | — |  |  | $ | 895,182 |  |  | $ | — |  |  | $ | 895,182 |

| December 31, 2022
|  |  | Fair Value
| Cost |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Long-term debt, including current maturities, net | $ | 1,055,797 |  |  | $ | — |  |  | $ | 977,227 |  |  | $ | — |  |  | $ | 977,227 |

19

Table of Contents
Note 12. Immaterial Restatement of Prior Period Financial Statements
Subsequent to the issuance of the Company's Consolidated Financial Statements for the year ended December 31, 2021, during the fourth quarter of 2022, the Company identified an immaterial error for a regulatory liability and corresponding decreases to operating revenue and deferred income taxes that were not recorded in 2019 associated with customer refunds. The error does not impact customer billings or cash refunded to customers.
The Company corrected the error in the Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, through a restatement of the opening retained earnings balance for the year ended December 31, 2020. The Company believes the error is immaterial to the previously issued Financial Statements for prior periods.
The corrections to the Company’s retained earnings and total equity as of September 30, 2022, June 30, 2022, and March 31, 2022, reported in note 4, were as follows:

| As of September 30, 2022
| As Previously Reported |  | Corrections |  | As Corrected
| (In thousands)
Retained earnings | $ | 561,907 |  |  | $ | (11,063) |  |  | $ | 550,844 |
Total equity | $ | 1,278,332 |  |  | $ | (11,063) |  |  | $ | 1,267,269 |

| As of June 30, 2022
| As Previously Reported |  | Corrections |  | As Corrected
| (In thousands)
Retained earnings | $ | 519,625 |  |  | $ | (11,063) |  |  | $ | 508,562 |
Total equity | $ | 1,207,306 |  |  | $ | (11,063) |  |  | $ | 1,196,243 |

| As of March 31, 2022
| As Previously Reported |  | Corrections |  | As Corrected
| (In thousands)
Retained earnings | $ | 513,593 |  |  | $ | (11,063) |  |  | $ | 502,530 |
Total equity | $ | 1,169,878 |  |  | $ | (11,063) |  |  | $ | 1,158,815 |

Item 2
MANAGEMENT’S DISCUSSION AND ANALYSIS OF
FINANCIAL CONDITION AND RESULTS OF OPERATIONS
Dollar amounts in thousands unless otherwise stated.
FORWARD-LOOKING STATEMENTS
This quarterly report, including all documents incorporated by reference, contains forward-looking statements within the meaning established by the Private Securities Litigation Reform Act of 1995 (the PSLRA). The forward-looking statements are intended to qualify under provisions of the federal securities laws for "safe harbor" treatment established by the PSLRA. Forward-looking statements in this quarterly report are based on currently available information, expectations, estimates, assumptions and projections, and our management's beliefs, assumptions, judgments and expectations about us, the water utility industry and general economic conditions. These statements are not statements of historical fact. When used in our documents, statements that are not historical in nature, including words like "will," "would," “expects,” “intends,” “plans,” “believes,” “may,” "could," “estimates,” “assumes,” “anticipates,” “projects,” "progress," “predicts,” "hopes," "targets," “forecasts,” “should,” “seeks,” "indicates," or variations of these words or similar expressions are intended to identify forward-looking statements. Examples of forward-looking statements in this quarterly report include, but are not limited to, statements describing our intention, indication or expectation regarding dividends or targeted payout ratio, our expectations, anticipations or beliefs regarding governmental, legislative, judicial, administrative or regulatory timelines, decisions, approvals, authorizations, requirements or other actions, including our 2021 GRC Filing, rate amounts or cost recovery mechanics, certain PFAS regulations, and associated impacts, such as our estimated revenue benefit or capital requirements, our intentions and plans supporting the remediation of the material weakness in our internal control over financial reporting, estimates of, or expectations regarding, capital expenditures, funding needs or other capital
20

Table of Contents
requirements, obligations, contingencies or commitments, our beliefs regarding adequacy of water supplies, our expectations regarding stock-based compensation and estimated contributions to our pension plans and other postretirement benefit plans, our estimated annual effective tax rate and expectations regarding tax benefits, our intentions regarding use of net proceeds from any future equity or debt issuances or borrowings or our intentions or anticipations regarding our sources of funding, capital structure or capital allocation plans. The forward-looking statements are not guarantees of future performance. They are based on numerous assumptions that we believe are reasonable, but they are open to a wide range of uncertainties and business risks. Consequently, actual results may vary materially from what is contained in a forward-looking statement.
Factors which may cause actual results to be different than those expected or anticipated include, but are not limited to:
•our ability to invest or apply the proceeds from the issuance of common stock in an accretive manner;
•governmental and regulatory commissions' decisions, including decisions on proper disposition of property;
•consequences of eminent domain actions relating to our water systems;
•changes in regulatory commissions' policies and procedures, such as the California Public Utilities Commission (CPUC)’s decision in 2020 to preclude companies from proposing fully decoupled WRAMs (which impacted our 2021 GRC Filing);
•the outcome and timeliness of regulatory commissions' actions concerning rate relief and other matters, including with respect to our 2021 GRC Filing;
•increased risk of inverse condemnation losses as a result of climate change and drought;
•our ability to renew leases to operate water systems owned by others on beneficial terms;
•changes in California State Water Resources Control Board water quality standards;
•changes in environmental compliance and water quality requirements;
•electric power interruptions, especially as a result of Public Safety Power Shutoff (PSPS) programs;
•housing and customer growth;
•the impact of opposition to rate increases;
•our ability to recover costs;
•availability of water supplies;
•issues with the implementation, maintenance or security of our information technology systems;
•civil disturbances or terrorist threats or acts;
•the adequacy of our efforts to mitigate physical and cyber security risks and threats;
•the ability of our enterprise risk management processes to identify or address risks adequately;
•labor relations matters as we negotiate with the unions;
•changes in customer water use patterns and the effects of conservation, including as a result of drought conditions;
•our ability to complete, in a timely manner or at all, successfully integrate, and achieve anticipated benefits from announced acquisitions;
•the impact of weather, climate change, natural disasters, and actual or threatened public health emergencies, including disease outbreaks, on our operations, water quality, water availability, water sales and operating results and the adequacy of our emergency preparedness;
•restrictive covenants in or changes to the credit ratings on our current or future debt that could increase our financing costs or affect our ability to borrow, make payments on debt or pay dividends;
•risks associated with expanding our business and operations geographically;
21

Table of Contents
•the impact of stagnating or worsening business and economic conditions, including inflationary pressures, general economic slowdown or a recession, increasing interest rates, instability of certain financial institutions, changes in monetary policy, adverse capital markets activity or macroeconomic conditions as a result of geopolitical conflicts, and the prospect of a shutdown of the U.S. federal government;
•the impact of market conditions and volatility on unrealized gains or losses on our non-qualified benefit plan investments and our operating results;
•the impact of weather and timing of meter reads on our accrued unbilled revenue;
•the impact of evolving legal and regulatory requirements, including emerging environmental, social and governance requirements; and
•the risks set forth in “Risk Factors” included in the Company's Annual Report on Form 10-K for the year ended December 31, 2022.
In light of these risks, uncertainties and assumptions, investors are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date of this quarterly report or as of the date of any document incorporated by reference in this quarterly report, as applicable. When considering forward-looking statements, investors should keep in mind the cautionary statements in this quarterly report and the documents incorporated by reference. We are not under any obligation, and we expressly disclaim any obligation, to update or alter any forward-looking statements, whether as a result of new information, future events or otherwise.
CRITICAL ACCOUNTING ESTIMATES
We maintain our accounting records in accordance with GAAP and as directed by the Commissions to which our operations are subject. The process of preparing financial statements in accordance with GAAP requires the use of estimates on the part of management. The estimates used by management are based on historic experience and an understanding of current facts and circumstances. Management believes that the following accounting policies are critical because they involve a higher degree of complexity and judgment, and can have a material impact on our results of operations, financial condition, and cash flows of the business. These policies and their key characteristics are discussed in detail in the Company's Annual Report on Form 10-K for the year ended December 31, 2022 (2022 Annual Report on Form 10-K). They include:
•revenue recognition;
•regulated utility accounting;
•income taxes; and
•pension and postretirement health care benefits.
For the nine months ended September 30, 2023, there were no changes in the methodology for computing critical accounting estimates, no additional accounting estimates met the standards for critical accounting policies, and there were no material changes to the important assumptions underlying the critical accounting estimates.
2021 GRC FILING
On July 2, 2021, Cal Water filed its 2021 GRC requesting water infrastructure improvements of $1.0 billion in accordance with the rate case plan for all of its regulated operating districts (except Grand Oaks) for the years 2022, 2023, and 2024. A partial settlement with the California Public Advocates Office primarily addressing non-revenue matters was submitted on September 2, 2022. The CPUC continues to evaluate the proposal along with proposals of other parties. A final decision on the case was previously expected to be issued in late 2022 in accordance with the CPUC's rate case plan, with new rates going into effect on January 1, 2023; however, due to unspecified delays at the CPUC, the timing of a final decision is uncertain. In June of 2023, the CPUC issued a decision extending its statutory deadline to issue a final decision until December 31, 2023. Normally, the CPUC is subject to a requirement to process applications within 18 months of filing. In our experience, it is the CPUC's practice to extend its statutory deadline, in some cases multiple times, as needed. On July 13, 2023, the CPUC co-assigned a second Administrative Law Judge (ALJ) to the Cal Water GRC to facilitate the process.
22

Table of Contents
As part of the 2021 GRC Filing, Cal Water has proposed the use of a MWRAM and ICBA as the CPUC issued a decision effective August 27, 2020 requiring that Class A companies submitting GRC filings after the effective date be (i) precluded from proposing the use of a full decoupling WRAM in their next GRCs and (ii) allowed the use of MWRAM. In addition, the CPUC's decision allowed ICBAs to replace the MCBA. We expect the MWRAM to be implemented in 2023 and effective retroactive back to January 1, 2023. For the first nine months of 2023, we did not record a regulatory asset or regulatory liability for the MWRAM and ICBA mechanisms. In addition, we did not record WRAM or MCBA adjustments in the first nine months of 2023, as the mechanisms concluded on December 31, 2022.
INTERIM RATES MEMORANDUM ACCOUNT (IRMA), MWRAM, AND DROUGHT RESPONSE MEMORANDUM ACCOUNT (DREMA)
The IRMA tracks the difference between the current rates that continue to be billed starting January 1, 2023 (considered to be interim rates), and the rates that will eventually be approved pursuant to the CPUC's decision concerning Cal Water's 2021 GRC Filing, plus any additional revenue changes approved since July 1, 2021 (final rates). We expect to recognize the regulatory asset and corresponding operating revenue once the 2021 GRC Filing is approved by the CPUC.
The MWRAM tracks the difference between the revenue received for actual metered sales through tiered volumetric rates and the revenue that would have been received with the same actual metered sales if a uniform rate had been in effect. Cal Water expects the MWRAM to be effective retroactive to January 1, 2023. We expect to recognize the regulatory asset and corresponding operating revenue once the 2021 GRC Filing is approved by the CPUC.
The DREMA tracks lost revenues associated with reduced sales revenue when customer demand is affected by requests for voluntary and mandatory usage reductions in California and is in effect for us in 2023 when our regulated service territories in California are under voluntary and mandatory usage reductions. The final value of the DREMA will depend on the resolution of the 2021 GRC Filing. We expect to recognize the regulatory asset and corresponding operating revenue once the 2021 GRC Filing is approved by the CPUC and an advice letter for recovery is approved by the CPUC.
Operating revenue for the first nine months of 2023 does not include any benefit of the proposed revenue rate relief tracked in the IRMA or regulatory mechanisms (MWRAM and DREMA) due to the delay in approval of our 2021 GRC Filing. We currently estimate the adverse impact of the delayed decision on nine months ended September 30, 2023 operating revenue to be between approximately $60.0 million and $93.0 million, of which $16.0 million to $18.0 million is related to the DREMA. For the third quarter of 2023, we estimate the adverse impact of the delayed decision on operating revenue to be between approximately $14.0 million and $27.0 million, of which $5.0 million to $5.5 million is related to the DREMA. These estimates are based on the current positions of the parties to the 2021 GRC Filing and consumption driven regulatory mechanisms. The delay in our GRC approval is expected to move CPUC approval of DREMA 2023 operating revenue into 2024. The cumulative adjustment will be recorded in the quarter in which final approval is received.
RESULTS OF THIRD QUARTER 2023 OPERATIONS
COMPARED TO THIRD QUARTER 2022 OPERATIONS
Dollar amounts in thousands, unless otherwise stated
Overview
Net Income Attributable to California Water Service Group
Net income attributable to California Water Service Group for the third quarter of 2023 was $34.4 million or $0.60 earnings per diluted common share, compared to net income of $55.9 million or $1.03 earnings per diluted common share for the third quarter of 2022.
The $21.5 million decrease in net income was primarily due to a decrease in operating revenue of $11.3 million and an increase in total operating expenses of $10.1 million. The total operating expense increase was primarily due to an increase in other operations expenses of $5.6 million, water production costs of $3.6 million, depreciation and amortization expenses of $1.1 million, administrative and general expense of $0.9 million, maintenance expenses of $0.5 million, and property and other taxes of $0.4 million. These increases were partially offset by a decrease in income tax expense of $2.0 million.
23

Table of Contents
Operating Revenue
Operating revenue decreased $11.3 million, or 4.3%, to $255.0 million in the third quarter of 2023 as compared to the third quarter of 2022, with such change attributed to the following:

Net change due to rate changes, usage, and other (1) | $ | 14,718 |
WRAM revenue (2) | (34,410) |
MCBA revenue (3) | 4,852 |
Other balancing account revenue (4) | 1,704 |
Deferral of revenue (5) | 1,805 |
Net operating revenue decrease | $ | (11,331) |

1.The net change due to rate changes, usage, and other in the above table was primarily driven by rate increases in California of $13.7 million.
2.WRAM revenue decrease is due to the mechanism concluding as of December 31, 2022; as a result, no WRAM revenue was recorded for the third quarter of 2023. In the third quarter of 2022, we recognized $34.4 million of WRAM revenue as actual billed volumetric revenue was lower than adopted volumetric revenue.
3.MCBA revenue increase is due to the mechanism concluding as of December 31, 2022; as a result, no MCBA revenue was recorded for the third quarter of 2023. In the third quarter of 2022, we reduced revenue by $4.9 million as actual water production costs were lower than adopted water production costs. As required by the MCBA mechanism, the difference in actual water production costs and adopted water production costs in California was recorded to operating revenue.
4.The other balancing account revenue consists of the pension, conservation and health care balancing account revenues. Pension and conservation balancing account revenues are the differences between actual expenses and adopted rate recovery. Health care balancing account revenue is 85% of the difference between actual health care expenses and adopted rate recovery. In the third quarter of 2023, the adjustments for these balancing accounts were recorded as an increase to the originating expense accounts of $2.8 million rather than as an operating revenue decrease. In the third quarter of 2022, actual conservation, pension and health care costs were below the adopted costs and a decrease to revenue of $1.7 million was recognized for the difference.
5.The deferral of revenue consists of amounts that are expected to be collected from customers beyond 24 months following the end of the accounting period. The deferral decreased in the third quarter of 2023 as compared to the third quarter of 2022 primarily due to the recognition of deferred balancing account revenue in the third quarter of 2023.
Total Operating Expenses
Total operating expenses increased $10.1 million, or 5.0%, to $211.5 million in the third quarter of 2023, as compared to $201.4 million in the third quarter of 2022.
Water production cost consists of purchased water, purchased power, and pump taxes. It represents the largest component of total operating expenses, accounting for approximately 43.7% of total operating expenses for the third quarter of 2023, as compared to 44.1% of total operating expenses for the third quarter of 2022. Water production costs increased 4.1% in the third quarter of 2023 as compared to the same period last year primarily due to an increase in our purchased water and pump tax rates.
Sources of water as a percent of total water production are listed in the following table:

| Three Months Ended September 30
| 2023 |  | 2022
Well production | 50 | % |  | 50 | %
Purchased | 45 | % |  | 46 | %
Surface | 5 | % |  | 4 | %
Total | 100 | % |  | 100 | %

24

Table of Contents
The components of water production costs are shown in the table below:

| Three Months Ended September 30
| 2023 |  | 2022 |  | Change
Purchased water | $ | 71,552 |  |  | $ | 69,931 |  |  | $ | 1,621 |
Purchased power | 15,729 |  |  | 15,088 |  |  | 641 |
Pump taxes | 5,066 |  |  | 3,731 |  |  | 1,335 |
Total | $ | 92,347 |  |  | $ | 88,750 |  |  | $ | 3,597 |

Administrative and general expense increased $0.9 million, or 2.7%, to $34.2 million in the third quarter of 2023, as compared to $33.3 million in the third quarter of 2022. The increase was primarily due to $0.5 million in higher employee labor costs primarily driven by annual increases in employee wages.
Other operations expenses increased $5.6 million, or 21.2%, to $32.3 million in the third quarter of 2023, as compared to $26.7 million in the third quarter of 2022. The increase was primarily due to an increase in bad debt costs of $2.0 million, a decrease in deferred costs associated with deferred revenue of $1.5 million (see deferral of revenue above) and an increase in employee labor costs of $0.9 million driven by annual increases in employee wages.
Maintenance expense increased $0.5 million, or 5.9%, to $8.9 million in the third quarter of 2023, as compared to $8.4 million in the third quarter of 2022, due to an increase in repairs of reservoirs and tanks.
Depreciation and amortization expense increased $1.1 million, or 3.7%, to $29.9 million in the third quarter of 2023, as compared to $28.8 million in the third quarter of 2022, mostly due to utility plant placed in service in 2022.
Income tax expense decreased $2.0 million to $3.9 million in the third quarter of 2023, as compared to $5.9 million in the third quarter of 2022. The decrease was primarily due to a decrease in pre-tax net operating income in the third quarter of 2023 as compared to the prior year.
Property and other taxes increased $0.4 million to $9.8 million in the third quarter of 2023, as compared to $9.4 million in the same period of 2022, mostly due to an increase in assessed property values for utility plant in service.
Other Income and Expenses
Net other income increased $1.5 million to $3.6 million in the third quarter of 2023, as compared to a net other income of $2.1 million in the third quarter of 2022, due primarily to a $1.0 million increase in other components of net periodic benefit credit and a $0.4 million increase in allowance for equity funds used during construction.
Interest Expense
Net interest expense increased $1.5 million, or 13.0%, to $12.8 million in the third quarter of 2023, as compared to $11.3 million in the third quarter of 2022. The increase was primarily due to an increase in short-term borrowing rates and higher outstanding line of credit balances.
RESULTS OF THE NINE MONTHS ENDED SEPTEMBER 30, 2023 OPERATIONS
COMPARED TO THE NINE MONTHS ENDED SEPTEMBER 30, 2022 OPERATIONS
Dollar amounts in thousands, unless otherwise stated
Overview
Net Income Attributable to California Water Service Group
Net income attributable to California Water Service Group for the first nine months of 2023 was $21.8 million or $0.38 earnings per diluted common share, compared to net income of $76.4 million or $1.41 earnings per diluted common share for the first nine months of 2022.
The $54.6 million decrease in net income was primarily due to a decrease in operating revenue of $65.4 million partially offset by a decrease in total operating expenses of $5.9 million. The total operating expense decrease was primarily due to a decrease in water production costs of $3.0 million, a decrease in other operations expenses of $7.1 million, and an increase in income tax benefit of $7.3 million. These decreases were partially offset by increases in administrative and general expense of $5.8 million, depreciation and amortization expenses of $3.2 million, and property and other taxes of $1.8 million. Additionally, there was an increase of $9.3 million in net other income, primarily due to a $0.7 million unrealized
25

Table of Contents
gain on non-qualified benefit plan investments during the first nine months 2023 compared to a $9.3 million unrealized loss on certain non-qualified benefit plan investments in the first nine months of 2022.
The change in unrealized gains on non-qualified benefit plan investments was caused by favorable market conditions, which is a factor outside our immediate control. Our net income and net other income in future periods are expected to continue to be similarly affected, potentially significantly, by increases or decreases in unrealized gains or losses on non-qualified benefit plan investments, particularly during periods of significant market volatility or significantly favorable or unfavorable market conditions.
Operating Revenue
Operating revenue decreased $65.4 million, or 10.1%, to $580.1 million for the first nine months of 2023 as compared to the first nine months of 2022, with such change attributed to the following:

Net change due to rate changes, usage, and other (1) | $ | (2,297) |
WRAM revenue (2) | (45,656) |
MCBA revenue (3) | (3,126) |
Other balancing account revenue (4) | 5,714 |
Deferral of revenue (5) | (20,009) |
Net operating revenue decrease | $ | (65,374) |

1.The net change due to rate changes, usage, and other in the above table was primarily driven by a 5.6% decrease in customer usage, which we believe is primarily due to higher winter precipitation in our California service territories and water conservation compared to the same period in 2022. The decrease was partially offset by rate increases in California of $18.9 million.
2.WRAM revenue decrease is due to the mechanism concluding as of December 31, 2022; as a result, no WRAM revenue was recorded for the first nine months of 2023. In the first nine months of 2022, we recognized $45.7 million of WRAM revenue as actual billed volumetric revenue was lower than adopted volumetric revenue.
3.MCBA revenue decrease is due to the mechanism concluding as of December 31, 2022; as a result, no MCBA revenue was recorded for the first nine months of 2023. In the first nine months of 2022, we recognized $3.1 million of MCBA revenue as actual water production costs were higher than adopted water production costs. As required by the MCBA mechanism, the difference in actual water production costs and adopted water production costs in California was recorded to operating revenue.
4.The other balancing account revenue consists of the pension, conservation and health care balancing account revenues. Pension and conservation balancing account revenues are the differences between actual expenses and adopted rate recovery. Health care balancing account revenue is 85% of the difference between actual health care expenses and adopted rate recovery. In the first nine months of 2023, the adjustments for these balancing accounts was recorded as an increase to the originating expense accounts by $9.0 million rather than as an operating revenue decrease. In the first nine months of 2022, actual conservation, pension and health care costs were below the adopted costs and a decrease to revenue of $5.6 million was recognized for the difference.
5.The deferral of revenue consists of amounts that are expected to be collected from customers beyond 24 months following the end of the accounting period. The deferral increased in the first nine months of 2023 as compared to the first nine months of 2022 primarily due to extending the estimated recovery periods for certain net WRAM and MCBA balances beyond 24 months from the end of the accounting period, as requested in the 2023 WRAM/MCBA advice letter filings.
Total Operating Expenses
Total operating expenses decreased $5.9 million, or 1.1%, to $538.2 million for the first nine months of 2023, as compared to $544.1 million for the first nine months of 2022.
26

Table of Contents
Water production costs consists of purchased water, purchased power, and pump taxes. It represents the largest component of total operating expenses, accounting for approximately 40.5% of total operating expenses in the first nine months of 2023 as compared to 40.7% of total operating expenses in the first nine months of 2022. Water production costs decreased 1.3% in the first nine months of 2023 as compared to the same period last year primarily due to a 5.6% decrease in customer usage which we believe is primarily due to higher winter precipitation in our California service territories and water conservation compared to the same period in 2022.
Sources of water as a percent of total water production are listed in the following table:

| Nine Months Ended September 30
| 2023 |  | 2022
Well production | 49 | % |  | 49 | %
Purchased | 47 | % |  | 47 | %
Surface | 4 | % |  | 4 | %
Total | 100 | % |  | 100 | %

The components of water production costs are shown in the table below:

| Nine Months Ended September 30
| 2023 |  | 2022 |  | Change
Purchased water | $ | 170,220 |  |  | $ | 174,653 |  |  | $ | (4,433) |
Purchased power | 34,950 |  |  | 34,630 |  |  | 320 |
Pump taxes | 13,052 |  |  | 11,912 |  |  | 1,140 |
Total | $ | 218,222 |  |  | $ | 221,195 |  |  | $ | (2,973) |

Administrative and general expenses increased $5.8 million, or 5.8%, to $105.2 million in the first nine months of 2023, as compared to $99.4 million in the first nine months of 2022. The increase was primarily due to higher labor costs of $4.9 million primarily driven by annual increases in employee wages.
Other operations expenses decreased $7.1 million, or 8.7%, to $74.8 million in the first nine months of 2023, as compared to $81.9 million in the first nine months of 2022. The decrease was primarily due to an increase in deferred costs associated with deferred revenue of $16.4 million (see deferral of revenue above), which was partially offset by an increase in employee labor costs of $2.8 million, bad debt costs of $1.2 million, wastewater operating costs of $1.2 million, conservation expenses of $1.1 million, general maintenance costs of $1.0 million, and water quality lab testing fees of $0.8 million.
Maintenance expense increased $0.7 million, or 2.9%, to $24.1 million in the first nine months of 2023, as compared to $23.4 million in the first nine months of 2022, mostly due to an increase in repair costs of reservoirs, tanks, and equipment.
Depreciation and amortization expense increased $3.2 million, or 3.8%, to $89.6 million in the first nine months of 2023, as compared to $86.4 million in the first nine months of 2022, mostly due to utility plant placed in service in 2022.
Income tax expense decreased $7.3 million to a $1.4 million income tax benefit in the first nine months of 2023, as compared to income tax expense of $5.9 million in the first nine months of 2022. The decrease in income tax expense was primarily due to a decrease in the pre-tax operating income in the first nine months of 2023 as compared to the same period of 2022.
Property and other taxes increased $1.8 million to $27.7 million in the first nine months of 2023, as compared to $25.9 million in the same period of 2022, mostly due to an increase in assessed property values.
Other Income and Expenses
Net other income increased $9.3 million to $17.0 million in the first nine months of 2023, as compared to net other income of $7.7 million in the first nine months of 2022, due primarily to a $10.0 million increase in unrealized gains on non-qualified benefit plan investments.
27

Table of Contents
Interest Expense
Net interest expense increased $4.3 million, or 12.7%, to $37.5 million in the first nine months of 2023, as compared to $33.2 million in the first nine months of 2022. The increase was due primarily to an increase in short-term borrowing rates and higher outstanding line of credit balances.
REGULATORY MATTERS
California Regulatory Activity
2021 GRC Interim Rates
In June of 2022, Cal Water filed a motion requesting authority for the establishment of an IRMA in the event the CPUC did not issue a final decision for the 2021 GRC Filing in time for new rates to be implemented on January 1, 2023. In November of 2022, the ALJ granted Cal Water’s request for the IRMA. Accordingly, on December 27, 2022, Cal Water requested that the IRMA, which was approved by the CPUC, track the difference between interim rates and final rates. After the CPUC's 2021 GRC Filing decision is issued and final rates are implemented, then Cal Water will file for recovery of the IRMA. Once approved, customer bills are expected to be adjusted to account for the difference between interim rates and final rates back to January 1, 2023.
In January of 2023, Cal Water filed a motion requesting a modification to the November 2022 ruling to apply an inflationary rate increase to interim rates. In the motion, Cal Water requested inflationary rate increases of 1.5% in Marysville and 4% for all other ratemaking areas except Selma, Travis Air Force Base, and Visalia for whom a rate increase was not requested. In February of 2023, the ALJ granted Cal Water's request. Cal Water implemented the increased interim inflation rates on May 5, 2023.
2021 Cost of Capital Application
On May 3, 2021, after an approved extension from a 2020 due date, Cal Water filed its required application with the CPUC to review its cost of capital for 2022 through 2024. At the time of filing, Cal Water had an approved return on equity of 9.2%, a cost of debt of 5.51%, and a capital structure of 53.4% equity and 46.6% debt. Cal Water requested a return on equity of 10.35%, a cost of debt of 4.23%, and a capital structure of 53.4% equity and 46.6% debt. The California Public Advocates Office recommended a return on equity of 7.81%, a cost of debt of 4.23%, and a capital structure of 49.4% equity and 50.6% debt. Evidentiary hearings were held in May 2022 and the case was submitted to the CPUC at the end of the second quarter of 2022. In the second quarter of 2023, the CPUC issued and adopted a proposed decision for the 2021 Cost of Capital Application. Cal Water was authorized a return on equity of 9.05%, a cost of debt of 4.23%, a capital structure of 53.4% equity and 46.6% debt, and an authorized rate of return of 6.80% for 2023 and 2024. The CPUC also reauthorized the Water Cost of Capital Mechanism (WCCM) which automatically adjusts the rate of return when the Moody’s Utilities Bond Index (Index) fluctuates between cost of capital applications. Because the Index changed in 2022, the WCCM triggered for 2023. Cal Water implemented new rates based on an authorized 9.57% return on equity, with a 4.23% cost of debt and an authorized rate of return of 7.08% on July 31, 2023. The 40 basis-point reduction from Cal Water’s current rate of return of 7.48% lowered annual adopted operating revenue by $7.0 million and is subject to change based on finalization of the 2021 GRC Filing.
In October of 2023, Cal Water evaluated the WCCM for 2024 and determined that it was triggered due to a change in the Index in 2023. Cal Water filed an advice letter to implement new rates based on an authorized 10.27% return on equity, with a 4.23% cost of debt and an authorized rate of return of 7.46% effective January 1, 2024. We currently expect that the 38 basis-point increase from Cal Water’s current rate of return of 7.08% will positively impact adopted annual operating revenue by approximately $10.0 million. This estimate is subject to change based on finalization of the 2021 GRC Filing.
2023 Financing Application for California
On October 6, 2023, Cal Water filed a financing application with the CPUC requesting authority to issue up to $1.3 billion of new equity and debt securities, in addition to previously-authorized amounts, to finance water system infrastructure investments in 2024, 2025, and 2026. Cal Water also seeks a continuation of its existing waiver that authorizes each Cal Water borrowing under revolving credit arrangements to be payable at periods up to twenty-four months from the date of the applicable borrowing, rather than the twelve month period currently permitted for short-term borrowings.
28

Table of Contents
Polyfluoroalkyl Substances Memorandum Account (PFAS MA)
Public water systems have been ordered by the State Water Resources Control Board to detect, monitor, and report perfluorooctanoic and perfluorooctanesulfonic acid in drinking water. In the third quarter of 2020, the CPUC approved the PFAS MA which allows Cal Water to track incremental expenses related to compliance with the order. The tracking of capital costs was excluded due to the current lack of a maximum contaminant level (MCL).
In March of 2023, the United States Environmental Protection Agency (EPA) issued proposed maximum contaminant levels for six per- and polyfluoroalkyl substances (PFAS). In September of 2023, Cal Water filed an application with the CPUC to modify the PFAS MA to track capital related costs associated with activities necessary to comply with the proposed PFAS drinking water regulations. Cal Water also proposed to submit Tier 2 advice letters requesting authority to add completed PFAS-related capital projects to authorized rate base.
California Drought Memorandum Account (DRMA)
In June 2021, Cal Water submitted advice letters to request a DRMA to track the incremental operational and administrative costs incurred to further implement updated Rule 14.1 for voluntary conservation measures and Schedule 14.1 for implementation of our Water Shortage Contingency Plan, including activities related to enhanced conservation efforts, staffing, and capital expenditures to ensure a safe, reliable water supply. The DRMA would also track monies paid by customers for fines, penalties, or other compliance measures associated with water use violations; and penalties paid by Cal Water to its water wholesalers. The DRMA was approved by the CPUC with an effective date of June 14, 2021. As of September 30, 2023, Cal Water has incurred $2.0 million of cumulative DRMA related costs, of which $0.6 million was incurred in the first nine months of 2023.
California's Governor issued a drought declaration for all California counties through a series of State of Emergency Proclamations. Given these drought proclamations and then-existing water usage levels in all of its service areas, in 2022 Cal Water activated Stage 2 of the “Water Use Restrictions of its Water Shortage Contingency Plan (WSCP)” of Schedule 14.1 in all of its service areas; as a result, Cal Water saw an increase in DRMA related costs in 2022 and the first nine months of 2023.
In Stage 1, irrigating ornamental landscape with potable water is prohibited during the hours of 8:00 a.m. and 6:00 p.m. For Stage 2, irrigating ornamental landscapes with potable water is limited to no more than three days per week as well as prohibited during the hours of 8:00 a.m. and 6:00 p.m. In addition, this stage states that new connections may not install single-pass cooling systems for air conditioning or other cooling system applications unless required for health or safety reasons.
On March 24, 2023, the Governor issued an Executive Order (EO) that, among other things, ended the voluntary 15% water conservation target and ended the requirement that local water agencies implement Stage 2 of their drought contingency plans. This EO maintained the ban on wasteful water uses and retained the State of Emergency for all 58 California counties to allow for drought response and recovery efforts to continue.
On May 8, 2023, Cal Water deactivated Stage 2 and moved to Stage 1 of Cal Water’s Schedule 14.1 in all regulated service areas.
On July 28, 2023, Cal Water submitted a Tier 3 advice letter requesting authority to amortize $1.4 million of incremental expenses incurred from June 14, 2021 to December 31, 2022 tracked in the DRMA. Cal Water requested the 12-month surcharge to be effective January 1, 2024; however, the effective date is subject to change as Tier 3 advice letters require a resolution to be adopted by the CPUC.
Expense Offset Requests
Expense offsets are dollar-for-dollar increases in revenue to match increased expenses, and therefore do not affect net operating income.
In December of 2022, Cal Water submitted an advice letter to request offsets for increases in purchased water costs and pump taxes in five of its regulated districts totaling $5.1 million. The new rates were implemented on January 1, 2023.
In July of 2023, Cal Water submitted an advice letter to request offsets for increases in purchased water costs, pump taxes, and purchased power costs in 11 of its regulated districts totaling $24.6 million. The new rates were implemented on July 31, 2023.
29

Table of Contents
WRAM/MCBA Filings
In April and July of 2023, Cal Water submitted advice letters to true up the revenue under-collections for the 2022 annual WRAMs/MCBAs of its regulated districts. A net under-collection of $76.6 million is being recovered from customers in the form of 12, 18, and greater-than-18-month surcharges. The new surcharges incorporate net WRAM/MCBA balances that were previously approved for recovery and were implemented on May 5, 2023, except for Kern River Valley’s surcharge, which is expected to be implemented on January 15, 2024. The balance also includes $1.5 million of settlement proceeds from a settled lawsuit with the Stockton East Water District related to purchased water in Stockton. Cal Water will pass the benefit to its Stockton customers through a reduction of its net WRAM receivable.
2018 GRC CEBA Filing
In March of 2023, Cal Water submitted an advice letter to amortize the CEBA from the 2018 GRC that tracked the difference between adopted and actual costs for the period of 2020-2022. $6.2 million is being refunded to customers in some districts in the form of one-time or 12-month surcredits as actual conservation program costs during 2020-2022 were lower than the adopted conservation program costs. The new surcredits were implemented on May 5, 2023.
2018 GRC HCBA and PCBA Filing
In June of 2023, Cal Water submitted an advice letter to amortize the HCBA and PCBA from the 2018 GRC that tracked the difference between adopted and actual costs for the period of 2020-2022. For the HCBA, $14.0 million is expected to be refunded to customers in the form of one-time or 12-month surcredits as actual employee and retiree medical costs during 2020-2022 were lower than the adopted employee and retiree medical costs. For the PCBA, $17.4 million is expected to be recovered from customers in the form of one-time or 12-month surcharges as actual costs for employee pension benefits during 2020-2022 were higher than the adopted employee pension benefits. The new rates were implemented on July 31, 2023.
City of Hawthorne GRC Filing
In June of 2023, the City of Hawthorne approved Cal Water's water rate increase proposal for 2023-2026. Cal Water was approved to increase total revenue by $0.9 million incrementally over 4 years. Revenue will increase by 1.5% in 2023, 1.9% in 2024, 1.6% in 2025 and 2.3% in 2026. The 2023 increase was implemented on July 1, 2023. Cal Water was also approved to establish a Full Cost Balancing Account to track differences between adopted and actual water production costs.
Regulatory Activity - Other States
2023 Washington Water GRC (Washington Water)
On April 10, 2023, Washington Water filed a GRC application with the Washington Utilities and Transportation Commission (UTC) requesting an annual revenue increase of $3.0 million for its East Pierce Water System phased in over two years and an annual revenue increase of $0.6 million for its legacy Washington Water system. In July of 2023, the UTC approved an annual revenue increase of $2.1 million. Washington Water implemented the new rates on July 28, 2023.
Pukalani GRC (Hawaii Water)
On December 30, 2022, Hawaii Water filed a GRC application with the Hawaii Public Utilities Commission requesting an annual revenue increase of $0.6 million phased in over two years. A full settlement with Consumer Advocates with an annual revenue increase of $0.5 million phased in over two years was filed on September 22, 2023. Hawaii Water is expecting a Commission decision in the fourth quarter of 2023.
LIQUIDITY
Cash flow from Operations
Cash flow from operations for the first nine months of 2023 was $143.5 million compared to $199.8 million for the same period in 2022. The decrease in the first nine months of 2023 as compared to 2022 was primarily due to decrease in net income of $54.4 million for the first nine months of 2023 as compared to the same period last year and the net receipt of $17.2 million from the Water Arrearages Payment Program in 2022. Cash generated by operations varies during the year due to customer billings and timing of collections and contributions to our benefit plans.
30

Table of Contents
During the first nine months of 2023, we made contributions of $2.9 million to our employee pension plan compared to contributions of $12.4 million during the first nine months of 2022. During the first nine months of 2023, we made contributions of $0.2 million to the other postretirement benefit plans compared to contributions of $0.5 million during the first nine months of 2022. The full-year 2023 estimated cash contribution to the pension plans and other postretirement benefits plans are expected to be approximately $2.9 million and $0.2 million, respectively.
The water business is seasonal. Billed revenue is lower in the cool, wet winter months when less water is used compared to the warm, dry summer months when water use is highest. This seasonality results in the possible need for short-term borrowings under the Company and Cal Water facilities in the event cash is not available to cover operating costs during the winter period. The increase in cash flows during the summer allows short-term borrowings to be paid down. Customer water usage can be lower than normal in drought years and when greater-than-normal precipitation falls in our service areas or temperatures are lower than normal, especially in the summer months.
On July 10, 2023, California Governor Gavin Newsom signed Senate Bill 122, which included several revisions to the California Water and Wastewater Arrearages Payment Program (Program). Most notably, Senate Bill 122 extends the time period covered by the Program to December 31, 2022, as opposed to June 15, 2021. As part of the initial program which covered the period from March 4, 2020 through June 15, 2021, the Company secured $17.2 million to assist customers with past-due bills. The Company expects to file an application to seek additional relief for its customers with past-due bills during the month of November 2023.
Investing Activities
During the first nine months of 2023 and 2022, we used $274.1 million and $222.1 million, respectively, of cash for Company-funded and developer-funded utility plant expenditures. Annual expenditures fluctuate each year due to the availability of construction resources and our ability to obtain construction permits in a timely manner. For 2023, the Company's capital program will be dependent, in part, on the timing and nature of regulatory approvals in connection with Cal Water's 2021 GRC Filing. The Company proposed to the CPUC spending $1.0 billion on water infrastructure investments in 2022-2024. Capital expenditures in California are evaluated in the context of the pending GRC Filing and may change as the case moves forward.
Financing Activities
Net cash provided by financing activities was $120.1 million during the first nine months of 2023 compared to $61.4 million of net cash provided by financing activities for the same period in 2022. For 2023, this includes our issuance of $112.7 million of Company common stock through our at-the-market equity program and $1.8 million through our employee stock purchase plan. For 2022, this includes our issuance of $57.1 million of Company common stock through our at-the-market equity program and $1.6 million through our employee stock purchase plan.
During the first nine months of 2023 and 2022, we borrowed $165.0 million and $95.0 million, respectively, on our previous unsecured revolving credit facilities. We made repayments on our previous unsecured revolving credit facilities of $120.0 million and $60.0 million during the first nine months of 2023 and 2022, respectively. During the first nine months of 2023, we also paid $1.6 million in issuance costs for the Company and Cal Water facilities entered into on March 31, 2023, as described below.
On March 31, 2023, the Company and Cal Water entered into the Company and Cal Water facilities, which provide for unsecured revolving credit facilities of up to an initial aggregate amount of $600.0 million for a term of five years. The Company and subsidiaries that it designates may borrow up to $200.0 million under the Company's revolving credit facility (the Company facility). Cal Water may borrow up to $400.0 million under the Cal Water revolving credit facility (the Cal Water facility). Additionally, the credit facilities may be increased by up to an incremental $150.0 million under the Cal Water facility and $50.0 million under the Company facility, subject in each case to certain conditions.
The net WRAM and MCBA receivable balances were $75.2 million and $94.8 million as of September 30, 2023 and 2022, respectively. The receivable balances were primarily financed by Cal Water using short-term and long-term financing arrangements to meet operational cash requirements. Interest on the receivable balances, which represents the interest recoverable from customers, is limited to the then-current 90-day commercial paper rates, which typically are significantly lower than Cal Water’s short and long-term financing rates.
Short-term and Long-term Financing
During the first nine months of 2023, we utilized cash generated from operations, temporary borrowings on our previous unsecured revolving credit facilities, and cash received from the sale of Company common stock through our at-the-market equity program to fund operations and capital investments.
31

Table of Contents
In future periods, management anticipates funding our utility plant needs through a relatively balanced approach between long term debt and equity.
Short-term liquidity is provided by the Company and Cal Water facilities and internally generated funds. Long-term financing is accomplished through the use of both debt and equity. The Company and subsidiaries that it designates may borrow up to $200.0 million under the Company facility. Cal Water may borrow up to $400.0 million under the Cal Water facility; however, all borrowings must be repaid within 12 months unless a different period is required or authorized by the CPUC. The proceeds from the Company and Cal Water facilities may be used for working capital purposes.
As of September 30, 2023 and December 31, 2022, short-term borrowings of $115.0 million and $70.0 million, respectively, were outstanding on the Company and Cal Water facilities.
Given our ability to access our lines of credit on a daily basis, cash balances are managed to levels required for daily cash needs and excess cash is invested in short-term or cash equivalent instruments. Minimal operating levels of cash are maintained for Washington Water, New Mexico Water, Hawaii Water and Texas Water.
The Company and Cal Water facilities contain affirmative and negative covenants and events of default customary for credit facilities of this type including, among other things, limitations and prohibitions relating to additional indebtedness, liens, mergers, and asset sales. Also, the Company and Cal Water facilities contain financial covenants that require the Company and its subsidiaries’ consolidated total capitalization ratio not to exceed 66.7% and an interest coverage ratio of three or more. As of September 30, 2023, we are in compliance with all of the covenant requirements and are eligible to use the full amount of the undrawn portion of the Company and Cal Water facilities.
Long-term financing, which includes First Mortgage Bonds, other debt securities, and common stock, has typically been used to replace short-term borrowings and fund utility plant expenditures. Internally generated funds, after making dividend payments, provide positive cash flow, but have not been at a level to meet the needs of our utility plant expenditure requirements. Management expects this trend to continue given our planned utility plant expenditures for the next five years. Some utility plant expenditures are funded by payments received from developers for contributions in aid of construction or advances for construction. Funds received for contributions in aid of construction are non-refundable, whereas funds classified as advances in construction are generally refundable over 40 years. Management believes long-term financing is available to meet our cash flow needs through issuances in both debt and equity instruments.
Summarized Financial Information for Guarantors and the Issuer of Guaranteed Securities.
On April 17, 2009, Cal Water (Issuer) issued $100.0 million aggregate principal amount of 5.500% First Mortgage Bonds due 2040, all of which are fully and unconditionally guaranteed by the Company (Guarantor). Certain subsidiaries of the Company do not guarantee the security and are referred to as Non-guarantors. The Guarantor fully, absolutely, irrevocably and unconditionally guarantees the punctual payment when due, whether at stated maturity, by acceleration, by notice of prepayment or otherwise, of the principal, premium, if any, and interest on the bonds. The bonds rank equally among Cal Water's other First Mortgage Bonds.
32

Table of Contents
The following tables present summarized financial information of the Issuer subsidiary and the Guarantor. The information presented below excludes eliminations necessary to arrive at the information on a consolidated basis. In presenting the summarized financial statements, the equity method of accounting has been applied to the Guarantor interests in the Issuer. The summarized information excludes financial information of the Non-guarantors, including earnings from and investments in these entities.

Summarized Statement of Operations |  |  |  |  |  |  |
(in thousands) | Nine Months Ended September 30, 2023 |  | Twelve Months Ended December 31, 2022
| Issuer |  | Guarantor |  | Issuer |  | Guarantor
Net sales | $ | 523,080 |  |  | $ | — |  |  | $ | 775,382 |  |  | $ | — |
Gross profit | $ | 317,807 |  |  | $ | — |  |  | $ | 506,890 |  |  | $ | — |
Income from operations | $ | 41,524 |  |  | $ | 402 |  |  | $ | 124,464 |  |  | $ | 363 |
Equity in earnings of guarantor | $ | — |  |  | $ | 20,365 |  |  | $ | — |  |  | $ | 94,339 |
Net income | $ | 21,536 |  |  | $ | 21,438 |  |  | $ | 92,769 |  |  | $ | 95,263 |

Summarized Balance Sheet Information |  |  |  |  |  |  |
(in thousands) | As of September 30, 2023 |  | As of December 31, 2022
| Issuer |  | Guarantor |  | Issuer |  | Guarantor
Current assets | $ | 231,788 |  |  | $ | 8,685 |  |  | $ | 208,962 |  |  | $ | 31,913 |
Intercompany receivable from Non-guarantors | $ | 1,346 |  |  | $ | 46,780 |  |  | $ | 3,339 |  |  | $ | 34,100 |
Other assets | $ | 444,602 |  |  | $ | 1,169,320 |  |  | $ | 450,668 |  |  | $ | 1,080,720 |
Long-term intercompany receivable from Non-issuers | $ | — |  |  | $ | 36,475 |  |  | $ | — |  |  | $ | 37,869 |
Net utility plant | $ | 2,968,822 |  |  | $ | 2 |  |  | $ | 2,805,242 |  |  | $ | — |
Total assets | $ | 3,646,558 |  |  | $ | 1,261,262 |  |  | $ | 3,468,211 |  |  | $ | 1,184,602 |
Current liabilities | $ | 322,916 |  |  | $ | 37,583 |  |  | $ | 242,538 |  |  | $ | 35,260 |
Intercompany payable to Non-guarantors and Guarantor | $ | 3,539 |  |  | $ | — |  |  | $ | 562 |  |  | $ | — |
Long-term debt | $ | 1,051,423 |  |  | $ | — |  |  | $ | 1,051,994 |  |  | $ | — |
Other liabilities | $ | 1,105,625 |  |  | $ | 2,935 |  |  | $ | 1,098,378 |  |  | $ | 2,485 |
Total Liabilities | $ | 2,483,503 |  |  | $ | 40,518 |  |  | $ | 2,393,472 |  |  | $ | 37,745 |

Dividends
During the first nine months of 2023, our quarterly common stock dividend payments were $0.78 per share compared to $0.75 per share during the first nine months of 2022. For the full year 2022, the payout ratio was 56.5% of net income. On a long-term basis, our goal is to achieve a dividend payout ratio of 60% of net income.
At the October 25, 2023 meeting, the Company's Board of Directors declared the fourth quarter dividend of $0.26 per share payable on November 17, 2023, to stockholders of record on November 6, 2023. This was our 315th consecutive quarterly dividend.
2023 Financing Plan
We intend to fund our utility plant needs in future periods through a relatively balanced approach between long-term debt and equity. The Company and Cal Water have a syndicated unsecured revolving line of credit of $200.0 million and $400.0 million, respectively, for short-term borrowings. As of September 30, 2023, the Company’s and Cal Water’s availability on these unsecured revolving lines of credit was $165.0 million and $320.0 million, respectively.
Book Value and Stockholders of Record
Book value per common share was $24.44 at September 30, 2023 compared to $23.70 at December 31, 2022. There were approximately 1,817 stockholders of record for our common stock as of August 7, 2023.
33

Table of Contents
Utility Plant Expenditures
During the first nine months of 2023, utility plant expenditures totaled $274.1 million for Company-funded and developer-funded projects. For 2023, the Company's capital program will be dependent in part on the timing and nature of regulatory approvals in connection with Cal Water's 2021 GRC filing. The Company proposed to the CPUC spending $1.0 billion on water infrastructure investments in 2022-2024. Capital expenditures in California are evaluated in the context of the pending GRC and may change as the case moves forward.
As of September 30, 2023, construction work in progress was $340.5 million. Construction work in progress includes projects that are under construction but not yet complete and placed in service.
WATER SUPPLY
Our source of supply varies among our operating districts. Certain districts obtain all of their supply from wells; some districts purchase all of their supply from wholesale suppliers; and other districts obtain supply from a combination of wells and wholesale suppliers. A small portion of supply comes from surface sources and is processed through Company-owned water treatment plants. To the best of management's knowledge, we are meeting water quality, environmental, and other regulatory standards for all Company-owned systems.
Historically, approximately half of our annual water supply is pumped from wells. State groundwater management agencies operate differently in each state. Some of our wells extract ground water from water basins under state ordinances. These are adjudicated groundwater basins, in which a court has settled the dispute between landowners, or other parties over how much annual groundwater can be extracted by each party. All of our adjudicated groundwater basins are located in the State of California. Our annual groundwater extraction from adjudicated groundwater basins approximates 5.7 billion gallons or 10.8% of our total annual water supply pumped from wells. Historically, we have extracted less than 100% of our annual adjudicated groundwater rights and have the right to carry forward up to 20% of the unused amount to the next annual period. All of our remaining wells extract ground water from managed or unmanaged water basins. There are no set limits for the ground water extracted from these water basins. Our annual groundwater extraction from managed groundwater basins approximates 31.5 billion gallons or 59.9% of our total annual water supply pumped from wells. Our annual groundwater extraction from unmanaged groundwater basins approximates 15.4 billion gallons or 29.3% of our total annual water supply pumped from wells. Most of the managed groundwater basins we extract water from have groundwater recharge facilities. We are required to financially support these groundwater recharge facilities by paying well pump taxes. Our well pump taxes were $5.1 million and $3.7 million for the three months ended September 30, 2023 and 2022, respectively. For the nine months ended September 30, 2023 and 2022, our well pump taxes were $13.1 million and $11.9 million, respectively. In 2014, the State of California enacted the Sustainable Groundwater Management Act of 2014 (SGM Act). The law and its implementing regulations required most basins to select a sustainability agency by 2017, develop a sustainability plan by the end of 2022, and show progress toward sustainability by 2027. We expect that after the SGM Act's provisions are fully implemented, substantially all the Company's California groundwater will be produced from sustainably managed and adjudicated basins.
California's normal weather pattern yields little precipitation between mid-spring and mid-fall. The Washington Water service areas receive precipitation in all seasons, with the heaviest amounts during the winter. New Mexico Water's rainfall is heaviest in the summer monsoon season. Hawaii Water receives precipitation throughout the year, with the largest amounts in the winter months. Typically, water usage in all service areas is highest during the warm and dry summers and declines in the cool winter months. Rain and snow during the winter months in California replenish underground water aquifers and fill reservoirs, providing the water supply for subsequent delivery to customers. As of July 17, 2023, the State of California snowpack water content during the 2023-2024 water year was 667% of long-term averages (per the California Department of Water Resources, Northern Sierra Precipitation Accumulation report). The northern Sierra region is the most important for the state’s urban water supplies. The central and southern portions of the Sierras have recorded 750% and 500%, respectively, of long-term averages. Management believes that supply pumped from underground aquifers and purchased from wholesale suppliers will be adequate to meet customer demand during 2023 and thereafter. Long-term water supply plans are developed for each of our districts to help assure an adequate water supply under various operating and supply conditions. Some districts have unique challenges in meeting water quality standards, but management believes that supplies will meet current standards using currently available treatment processes.
34

Table of Contents
On May 31, 2018, California's Governor signed two bills (Assembly Bill 1668 and Senate Bill 606) into law that were intended to establish long-term standards for water use efficiency. The bills revise and expand the existing urban water management plan requirements to include five-year drought risk assessments, water shortage contingency plans, and annual water supply/demand assessments. The California State Water Resources Control Board, in conjunction with the California Department of Water Resources, is expected to establish long-term water use standards for indoor residential use, outdoor residential use, water losses, and other uses. Cal Water will also be required to calculate and report on urban water use targets by November 1, 2023, and each November 1 thereafter, that compare actual urban water use to the targets. Management believes that Cal Water is well positioned to comply with all such regulations.
In March of 2023, the EPA issued proposed maximum contaminant levels for six PFAS. Based on current information, if the regulation is adopted in its current form, we expect that we would have three years to comply with the final PFAS regulations and we estimate that capital investments of approximately $200.0 million would be required to comply.
CONTRACTUAL OBLIGATIONS
During the nine months ended September 30, 2023, there were no material changes in contractual obligations outside the normal course of business.
Item 3.
QUANTITATIVE AND QUALITATIVE DISCLOSURE ABOUT MARKET RISK
We do not hold, trade in or issue derivative financial instruments and therefore are not exposed to risks these instruments present. Our market risk to interest rate exposure is limited because the cost of long-term financing and short-term bank borrowings, including interest costs, is covered in consumer water rates as approved by the Commissions. We do not have foreign operations; therefore, we do not have a foreign currency exchange risk. Our business is sensitive to commodity prices and is most affected by changes in purchased water and purchased power costs.
Historically, the CPUC’s balancing account or offsettable expense procedures allowed for increases in purchased water, pump tax, and purchased power costs to be flowed through to consumers. Traditionally, a significant percentage of our net income and cash flows come from California regulated operations; therefore the CPUC’s actions have a significant impact on our business. See Item 2, “Management’s Discussion and Analysis of Financial Condition and Results of Operations - Regulatory Matters.”
Item 4.
CONTROLS AND PROCEDURES
(a) Evaluation of Disclosure Controls and Procedures
We maintain disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended) that are designed to ensure that information required to be disclosed in our reports filed or submitted under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported, within the time periods specified in the Securities and Exchange Commission's rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow for timely decisions regarding required disclosure.
In designing and evaluating the disclosure controls and procedures, management, including the Chief Executive Officer and Chief Financial Officer, recognized that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Accordingly, our disclosure controls and procedures have been designed to provide reasonable assurance of achieving their objectives.
Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of September 30, 2023. Based on that evaluation and the changes made to our internal control over financial reporting in the second and third quarters of 2023 noted below, our management, including our Chief Executive Officer and Chief Financial Officer, have concluded that our disclosure controls and procedures were effective.
35

Table of Contents
(b) Changes to Internal Control over Financial Reporting
There have been no changes in our internal control over financial reporting during the third quarter of 2023 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting, other than as described below. During the second and third quarters of 2023, management remediated the material weakness in our internal control over financial reporting as of December 31, 2022 disclosed in Item 9A of our 2022 Annual Report on Form 10-K by implementing the following changes:
•Monthly, management of the rates and accounting departments will meet to evaluate the nature of all regulatory activity (examples include advice letter filings, GRC applications, testimony, and settlements) that has occurred during the month and is expected to occur in subsequent months, and identify the regulatory activity which will have an accounting and financial reporting impact. After the monthly meeting, accounting management will determine the required accounting for the regulatory activity having an accounting and financial reporting impact, and a memo will be written and reviewed by rates management and accounting management to conclude on the accounting and financial reporting for such activity.
•At the end of each quarter, rates management will confirm to accounting management that all regulatory activity filed or soon to be filed and which may have an accounting and financial reporting impact have been evaluated and reflected in the financial statements, before finalizing the Company's financial statements.
PART II OTHER INFORMATION
Item 1.
LEGAL PROCEEDINGS
From time to time, the Company is involved in various disputes and litigation matters that arise in the ordinary course of business. The status of each significant matter is reviewed and assessed for potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and the amount of the range of loss can be reasonably estimated, a liability is accrued for the estimated loss in accordance with the accounting standards for contingencies. Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based on the best information available at the time. While the outcome of these disputes and litigation matters cannot be predicted with any certainty, management does not believe when taking into account existing reserves the ultimate resolution of these matters will materially affect the Company’s financial position, results of operations, or cash flows. In the future, we may be involved in disputes and litigation related to a wide range of matters, including employment, construction, environmental issues and operations. Litigation can be time-consuming and expensive and could divert management’s time and attention from our business. In addition, if we are subject to new lawsuits or disputes, we might incur significant legal costs and it is uncertain whether we would be able to recover the legal costs from customers or other third parties. For more information refer to Note 10.
Item 1A.
RISK FACTORS
There have been no material changes to the Company’s risk factors set forth in Part I, Item 1A of the Company’s Annual Report on Form 10-K for the year-ended December 31, 2022 filed with the SEC on March 1, 2023.
Item 5.
OTHER INFORMATION
(c) Trading Plans
During the last fiscal quarter, no director or Section 16 officer of the Company adopted or terminated any Rule 10b5-1 or non-Rule 10b5-1 trading arrangement (as defined under SEC rules).
36

Table of Contents
Item 6.
EXHIBITS

Exhibit |  | Description |
3.1 |  | Certificate of Incorporation of California Water Service Group (Exhibit 3.1 to the Quarterly Report on Form 10-Q filed August 9, 2006) |
3.2 |  | Certificate of Amendment to Certificate of Incorporation of California Water Service Group (Exhibit 3.1 to the Current Report on Form 8-K filed June 10, 2011) |
3.3 |  | Certificate of Amendment to Amended Certificate of Incorporation of California Water Service Group (Exhibit 3.3 to the Quarterly Report on Form 10-Q filed July 28, 2022) |
3.4 |  | Certificate of Amendment to Amended Certificate of Incorporation of California Water Service Group (Exhibit 3.4 to the Quarterly Report on Form 10-Q filed July 27, 2023) |
3.5 |  | Amended and Restated Bylaws of California Water Service Group (Exhibit 3.1 to the Current Report on Form 8-K filed February 24, 2023) |
4.0 |  | The Company agrees to furnish upon request to the Securities and Exchange Commission a copy of each instrument defining the rights of holders of long-term debt of the Company. |
31.1 |  | Chief Executive Officer certification of financial statements pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 |
31.2 |  | Chief Financial Officer certification of financial statements pursuant to Section 302 of the Sarbanes- Oxley Act of 2002 |
32 |  | Chief Executive Officer and Chief Financial Officer Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 |
101 |  | The following materials from this Quarterly Report on Form 10-Q formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) Condensed Consolidated Balance Sheets, (ii) Condensed Consolidated Statements of Operations, (iii) Condensed Consolidated Statements of Cash Flows, (iv) the Notes to the Condensed Consolidated Financial Statements, and (v) Part II, Item 5(c). |
104 |  | The cover page from this Quarterly Report on Form 10-Q formatted in iXBRL (included as exhibit 101) |

37

Table of Contents
SIGNATURES
Pursuant to the requirement of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

| CALIFORNIA WATER SERVICE GROUP
| Registrant
October 26, 2023 | By: | /s/ David B. Healey
|  | David B. Healey
|  | Vice President,
|  | Chief Financial Officer and Treasurer
|  | (Principal Financial Officer)

38