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Summary of Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Basis of Accounting, Policy | Nature of Operations: American States Water Company (“AWR”) is the parent company of Golden State Water Company (“GSWC”), Bear Valley Electric Service Inc. (“BVES”), and American States Utility Services, Inc. (“ASUS”) (and its subsidiaries, Fort Bliss Water Services Company (“FBWS”), Old Dominion Utility Services, Inc. (“ODUS”), Terrapin Utility Services, Inc. (“TUS”), Palmetto State Utility Services, Inc. (“PSUS”), Old North Utility Services, Inc. (“ONUS”), Emerald Coast Utility Services, Inc. (“ECUS”), Fort Riley Utility Services, Inc. (“FRUS”), Bay State Utility Services LLC (“BSUS”), and Patuxent River Utility Services LLC (“PRUS”)). AWR and its subsidiaries may be collectively referred to as “Registrant” or “the Company.” AWR, through its wholly owned subsidiaries, serves over one million people in ten states. GSWC and BVES are both California public utilities. GSWC engages in the purchase, production, distribution and sale of water throughout California serving approximately 264,600 customer connections. BVES distributes electricity in several San Bernardino County mountain communities in California serving approximately 24,900 customer connections. The California Public Utilities Commission (“CPUC”) regulates GSWC’s and BVES’s businesses in matters including properties, rates, services, facilities, and transactions between GSWC, BVES, and their affiliates. ASUS, through its wholly owned subsidiaries, operates, maintains and performs construction activities (including renewal and replacement capital work) on water and/or wastewater systems at various U.S. military bases pursuant to initial 50-year firm fixed-price contracts with the U.S. government and one 15-year contract with the U.S. government. These contracts are subject to annual economic price adjustments and modifications for changes in circumstances, changes in laws and regulations, and additions to the contract value for new construction of facilities at the military bases. ASUS also from time to time performs construction services on military bases as a subcontractor. There is no direct regulatory oversight by the CPUC over AWR or the operations, rates or services provided by ASUS or any of its wholly owned subsidiaries. Basis of Presentation: The consolidated financial statements and notes thereto are presented in a combined report filed by two separate Registrants: AWR and GSWC. References in this report to “Registrant” are to AWR and GSWC, collectively, unless otherwise specified. AWR owns all of the outstanding common shares of GSWC, BVES and ASUS. ASUS owns all of the outstanding common shares of its subsidiaries. The consolidated financial statements of AWR include the accounts of AWR and its subsidiaries. These financial statements are prepared in conformity with accounting principles generally accepted in the United States of America. Intercompany transactions and balances have been eliminated in the AWR consolidated financial statements.
Related Party Transactions | Related-Party and Intercompany Transactions: As discussed in Note 9, prior to AWR and GSWC entering into new separate credit agreements in June 2023 that replaced AWR’s previous credit agreement, AWR borrowed under its credit facility and provided funds to both GSWC and ASUS in support of their operations. Under AWR’s current credit facility, AWR borrows and continues to provide funds to ASUS in support of its operations, through an intercompany borrowing agreement, and AWR (parent). The interest rate charged to ASUS is sufficient to cover AWR’s interest expense under the credit facility. GSWC’s credit facility provides support for its water operations. BVES has a separate credit facility and has also issued long-term debt to support its operations. Furthermore, GSWC, BVES and ASUS provide and/or receive various support services to and from their parent, AWR, and among themselves. GSWC allocates certain corporate office administrative and general costs to its affiliates, BVES and ASUS, using allocation factors approved by the CPUC. During the years ended December 31, 2024, 2023 and 2022, GSWC allocated to ASUS $5.3 million, $5.0 million and $5.2 million, respectively, of corporate office administrative and general costs. During the years ended December 31, 2024, 2023 and 2022, GSWC allocated corporate office administrative and general costs to BVES of $3.2 million, $3.5 million and $2.7 million, respectively. When necessary, AWR will make capital contributions to its regulated utilities in order to manage to the CPUC-authorized capital structure. In September 2024, BVES issued eleven Common Shares to AWR for total proceeds of $22.0 million. BVES used the proceeds from the stock issuance to pay down outstanding borrowings under its revolving credit facility and to fund its operations and capital expenditures. AWR made capital contributions to GSWC in 2024 and 2023 (Note 7).
Utility Accounting | Utility Accounting: Registrant’s accounting policies conform to accounting principles generally accepted in the United States of America (“GAAP”), including the accounting principles for rate-regulated enterprises, which reflect the ratemaking policies of the CPUC and, to the extent applicable, the Federal Energy Regulatory Commission (“FERC”). GSWC and BVES have incurred various costs and received various credits reflected as regulatory assets and liabilities. Accounting for such costs and credits as regulatory assets and liabilities is in accordance with the guidance for accounting for the effects of certain types of regulation. This guidance sets forth the application of GAAP for those companies whose rates are established by or are subject to approval by an independent third-party regulator. Under such accounting guidance, rate-regulated entities defer costs and credits on the balance sheet as regulatory assets and liabilities when it is probable that those costs and credits will be recognized in the ratemaking process in a period different from the period in which they would have been reflected in income by an unregulated company. These regulatory assets and liabilities are then recognized in the income statement in the period in which the same amounts are reflected in the rates charged for service. The amounts included as regulatory assets and liabilities that will be collected or refunded over a period exceeding one year are classified as long-term assets and liabilities as of December 31, 2024 and 2023. Regulatory assets are reviewed for recoverability each reporting period. If a regulatory asset is no longer deemed probable of recovery, the deferred cost is charged to earnings.
Property and Depreciation | Property and Depreciation: Registrant’s property consists primarily of regulated utility plant at GSWC and BVES. GSWC and BVES capitalize, as utility plant, the cost of construction and the cost of additions, betterments and replacements of retired units of property. Such costs include labor, material and certain indirect costs. Indirect costs are allocated to each project based on total costs. Water systems acquired are recorded at estimated original cost of utility plant when first devoted to utility service and the applicable depreciation is recorded to accumulated depreciation. Any difference between the estimated original cost, less accumulated depreciation, and the purchase price, if recognized by the CPUC, is recorded as an acquisition adjustment within utility plant. Depreciation for the regulated utilities is computed on the straight-line, remaining-life basis, group method, in accordance with the applicable ratemaking process. The provision for depreciation expressed as a percentage of the aggregate depreciable asset balances for regulated utilities was approximately 2% fo r each of the years 2024, 2023 and 2022. Depreciation expense for regulated utilities, excluding amortization expense and depreciation on transportation equipment, totale d $39.8 million, $38.3 million and $37.3 million for the years ended December 31, 2024, 2023 and 2022, respectively. Depreciation computed on regulated utilities’ transportation equipment is recorded in other operating expenses and totaled $0.6 million, $0.9 million and $0.4 million for the years 2024, 2023 and 2022, respectively. For the year ended December 31, 2023, approximately $0.2 million of additional depreciation expense on GSWC's transportation equipment was recorded that relates to the cumulative retroactive impact for the full year of 2022 approved in the final CPUC decision in GSWC's general rate case that resulted from an increase to the transportation equipment composite depreciation rates that are retroactive to January 1, 2022. Expenditures for maintenance and repairs are expensed as incurred. Retired property costs, including costs of removal, are charged to the accumulated provision for depreciation. Estimated useful lives of regulated utilities’ utility plant, as authorized by the CPUC, are as follows:
Source of water supply | 20 years to 60 years
Pumping | 26 years to 41 years
Water treatment | 26 years to 32 years
Transmission and distribution | 15 years to 80 years
Generation | 40 years
Other plant | 5 years to 62 years
Non-regulated property consists primarily of equipment utilized by ASUS and its subsidiaries for its operations. This property is stated at cost, net of accumulated depreciation, which is calculated using the straight-line method over the useful lives of the assets.
Asset Retirement Obligation | Asset Retirement Obligations: GSWC has a legal obligation for the retirement of its wells, which by law need to be properly capped at the time of removal. As such, GSWC incurs asset retirement obligations. GSWC records the fair value of a liability for these asset retirement obligations in the period in which they are incurred. When the liability is initially recorded, GSWC capitalizes the cost by increasing the carrying amount of the related long-lived asset. Over time, the liability is accreted to its present value each period, and the capitalized cost is depreciated over the useful life of the related asset. Upon settlement of the liability, GSWC either settles the obligation for its recorded amount or incurs a gain or loss upon settlement. Retirement costs have historically been recovered through rates subsequent to the retirement costs being incurred. Accordingly, recoverability of GSWC’s asset retirement obligations are reflected as a regulatory asset (Note 3). GSWC also reflects the loss or gain at settlement as a regulatory asset or liability on the balance sheet. With regards to removal costs associated with certain other long-lived assets, such as water mains, distribution and transmission assets, asset retirement obligations have not been recognized as GSWC believes there is no legal obligation to do so. There are no CPUC rules or regulations that require GSWC to remove any of its other long-lived assets. In addition, GSWC’s water pipelines are not subject to regulation by any federal regulatory agency. GSWC has franchise agreements with various municipalities in order to use the public right of way for utility purposes (i.e., operate water distribution and transmission assets), and if certain events occur in the future, GSWC could be required to remove or relocate certain of its pipelines. However, it is not possible to estimate an asset retirement amount since the timing and the amount of assets that may be required to be removed, if any, is not known. Amounts recorded for asset retirement obligations are subject to various assumptions and determinations, such as determining whether a legal obligation exists to remove assets, estimating the fair value of the costs of removal, when final removal will occur and the credit-adjusted risk-free interest rates to be utilized on discounting future liabilities. Changes that may arise over time with regard to these assumptions will change amounts recorded in the future. Revisions in estimates for timing or estimated cash flows are recognized as changes in the carrying amount of the liability and the related capitalized asset. The estimated fair value of the costs of removal is based on third-party costs.
Impairment of Long-Lived Assets | Impairment of Long-Lived Assets: Long-lived assets are reviewed for impairment when events or changes in circumstances indicate that the carrying amount of an asset may not be fully recoverable in accordance with accounting guidance for impairment or disposal of long-lived assets. Impairment evaluation is based on a review of estimated future cash flows expected to be generated and if the carrying amount of a long-lived asset exceeds expected future cash flows, an impairment loss is recognized in the amount of the excess of fair value over the carrying amount. Registrant would recognize an impairment loss on its regulated assets only if the carrying value amount of a long-lived asset is not recoverable from customer rates authorized by the CPUC. Impairment loss is measured as the excess of the carrying value over the amounts recovered in customer rates. For the years ended December 31, 2024, 2023 and 2022, no impairment loss was incurred.
Goodwill | Goodwill: At December 31, 2024 and 2023, AWR had $1.1 million of goodwill. Goodwill is included in Non-current Other Assets on the Consolidated Balance Sheets. The goodwill arose from ASUS’s acquisition of a subcontractor’s business at some of its subsidiaries. In accordance with the accounting guidance for testing goodwill, AWR annually assesses qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. For 2024 and 2023, AWR’s assessment of qualitative factors did not indicate that an impairment had occurred for goodwill at ASUS.
Cash and Cash Equivalents | Cash and Cash Equivalents: Cash and cash equivalents include short-term cash investments with an original maturity of three months or less. At times, cash and cash equivalent balances may be in excess of federally insured limits. Cash and cash equivalents are held with financial institutions with high credit standings.
Accounts Receivable | Accounts Receivable: Accounts receivable is reported on the balance sheet net of any allowance for doubtful accounts. The allowance for doubtful accounts is Registrant’s best estimate of the amount of probable credit losses in Registrant’s existing accounts receivable from its water and electric customers, and is determined based on expected losses rather than incurred losses. Registrant reviews the allowance for doubtful accounts quarterly. Account balances are written off against the allowance when it is probable the receivable will not be recovered. When utility customers request extended payment terms, credit is extended based on regulatory guidelines, and collateral is not required. Receivables from the U.S. government include amounts due under contracts with the U.S. government to operate and maintain, and/or provide construction services for the water and/or wastewater systems at military bases. Other accounts receivable consist primarily of amounts due from third parties (non-utility customers) for various reasons, including amounts due from contractors, amounts due under settlement agreements and amounts due from other third-party prime government contractors pursuant to agreements for construction of water and/or wastewater facilities for such third-party prime contractors. The allowance for these other accounts receivable is based on Registrant’s evaluation of the receivable portfolio under current conditions and a review of specific problems and such other factors that, in Registrant’s judgment, should be considered in estimating losses. Allowances for doubtful accounts are disclosed in Note 18.
Materials and Supplies | Materials and Supplies: Materials and supplies are stated at the lower of cost or net realizable value. Cost is computed using weighted average cost. Major classes of materials include pipes, meters, hydrants and valves.
Interest | Interest: Interest incurred during the construction of capital assets has generally not been capitalized for financial reporting purposes as such policy is not followed in the ratemaking process. Interest expense is generally recovered through the regulatory process. At times, the CPUC has authorized certain capital projects to be filed for revenue recovery with advice letters when those projects are completed. During the time that such projects are under development and construction, GSWC or BVES may record an allowance for funds used during construction (“AFUDC”) as a component of construction work in progress to offset the cost of financing project construction if allowed by the regulator. After construction is completed, GSWC and BVES is permitted to recover these costs through the inclusion in rate base. For the year ended December 31, 2024 and 2022, BVES recorded $1.3 million and $0.1 million in AFUDC, respectively. The amount recorded in 2023 was insignificant. As a result of receiving the final decision on BVES’s general rate case (Note 3), BVES recorded $1.3 million in AFUDC on certain capital projects as authorized by the CPUC. GSWC did not receive any AFUDC during the years ended December 31, 2024, 2023 and 2022.
Debt Issuance Costs and Redemption Premiums | Debt Issuance Costs and Redemption Premiums: Original debt issuance costs are deducted from the carrying value of the associated debt liability and amortized over the lives of the respective issuances of long-term debt. Premiums paid on the early redemption of debt are deferred as regulatory assets and amortized over the period that GSWC and BVES recovers such costs in rates, which is generally over the term of the new debt issued to finance early debt redemption. At December 31, 2024 and 2023, Registrant’s long-term debt have been issued by GSWC and BVES.
Advance for Construction and Contributions in Aid | Advances for Construction and Contributions in Aid of Construction: Advances for construction represent amounts advanced by developers for the cost to construct water system facilities in order to extend water service to their properties. Advances are refundable in equal annual installments, generally over 40 years. In certain instances, GSWC makes refunds on these advances over a specific period of time based on operating revenues related to the main or as new customers are connected to receive service from the main. Contributions in aid of construction are similar to advances but require no refunding. Generally, GSWC and BVES depreciate contributed property and amortize contributions in aid of construction at the composite rate of the related property. Utility plant funded by advances and contributions are excluded from rate base.
Fair Value of Financial Instruments, Policy | Fair Value of Financial Instruments: For cash and cash equivalents, accounts receivable, accounts payable and short-term debt, the carrying amount is assumed to approximate fair value due to the short-term nature of the amounts. The table below estimates the fair value of long-term debt held by AWR and GSWC, respectively. Rates available to AWR and GSWC at December 31, 2024 and 2023 for debt with similar terms and remaining maturities were used to estimate fair value for long-term debt. Changes in the assumptions will produce differing results.
|  | 2024 |  | 2023
(dollars in thousands) |  | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Long-term debt—AWR (1)(2) |  | $ | 643,893 |  |  | $ | 608,184 |  |  | $ | 579,047 |  |  | $ | 556,214 |
|  | 2024 |  | 2023
(dollars in thousands) |  | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Long-term debt—GSWC (1) |  | $ | 608,893 |  |  | $ | 575,749 |  |  | $ | 544,047 |  |  | $ | 522,883 |
(1) Excludes debt issuance costs and redemption premiums. (2) Includes debt held by BVES of $35.0 million as of December 31, 2024 and 2023, respectively. The accounting guidance for fair value measurements applies to all financial assets and financial liabilities that are being measured and reported on a fair value basis. Under the accounting guidance, Registrant has made fair value measurements that are classified and disclosed in one of the following three categories: Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities; Level 2: Quoted prices in markets that are not active or inputs which are observable, either directly or indirectly, for substantially the full term of the asset or liability; or Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no market activity). Registrant makes fair value measurements on its publicly issued notes, private placement notes and other long-term debt using current U.S. corporate debt yields for similar debt instruments. Under the fair value guidance, these are classified as Level 2, which consists of quoted prices in markets that are not active, or inputs which are observable, either directly or indirectly, for substantially the full term of the asset or liability. The following table sets forth by level, within the fair value hierarchy, Registrant’s long-term debt measured at fair value as of December 31, 2024:
(dollars in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Long-term debt—AWR |  | — |  |  | $ | 608,184 |  |  | — |  |  | $ | 608,184 |
(dollars in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Long-term debt—GSWC |  | — |  |  | $ | 575,749 |  |  | — |  |  | $ | 575,749 |
Stock-Based Awards | Stock-Based Awards: AWR has issued stock-based awards to its employees under stock incentive plans. AWR has also issued stock-based awards to its Board of Directors under non-employee directors stock plans. Registrant applies the provisions in the accounting guidance for share-based payments in accounting for all of its stock-based awards. See Note 13 for further discussion.
New Accounting Pronouncements, Policy | New Accounting Guidance: Adopted in 2024: In November 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update 2023-07 (Segment Reporting: Improvements to Reportable Segment Disclosures). The new standard enhances reportable segment disclosures and expands the disclosures required for reportable segments in annual and interim consolidated financial statements, primarily through enhanced disclosures of significant segment expenses. The adoption of the new guidance resulted in enhanced disclosure of Registrant's significant segment expenses, as discussed in Note 17. Not Yet Adopted: In December 2023, the FASB issued Accounting Standards Update 2023-09 (Improvements to Income Tax Disclosures) requiring public entities to provide more disclosures primarily related to the income tax rate reconciliation and income taxes paid. The guidance also eliminates certain existing disclosure requirements related to uncertain tax positions and unrecognized deferred tax liabilities. The guidance will be effective January 1, 2025 with early adoption permitted. The guidance is applied prospectively and Registrant is currently evaluating the impact of this standard on its income tax disclosures. In November 2024, the FASB issued Accounting Standards Update 2024-03, (Disaggregation of Income Statement Expenses) requiring public entities to disclose additional information about specific expense categories in the notes to the financial statements on an interim and annual basis. The guidance will be effective for fiscal years beginning after December 15, 2026, and for interim periods beginning after December 15, 2027, with early adoption permitted. Registrant is currently evaluating the impact of adopting this standard.

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