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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2023
Accounting Policies [Abstract] |
Disaggregation of revenue | The following table disaggregates the Company’s operating revenue by source for the years ended December 31, 2023, 2022, and 2021:
| 2023 |  | 2022 |  | 2021
Revenue from contracts with customers | $ | 790,334 |  |  | $ | 772,616 |  |  | $ | 765,704 |
Regulatory balancing account revenue | 4,298 |  |  | 73,815 |  |  | 25,205 |
Total operating revenue | $ | 794,632 |  |  | $ | 846,431 |  |  | $ | 790,909 |
In the following table, revenue from contracts with customers is disaggregated by class of customers for the years ended December 31, 2023, 2022, and 2021:
| 2023 |  | 2022 |  | 2021
Residential | $ | 463,417 |  |  | $ | 458,448 |  |  | $ | 467,365 |
Business | 159,050 |  |  | 153,570 |  |  | 144,565 |
Multiple residential | 67,703 |  |  | 64,481 |  |  | 61,478 |
Industrial | 28,055 |  |  | 26,622 |  |  | 26,569 |
Public authorities | 40,811 |  |  | 41,150 |  |  | 40,501 |
Other* | 31,298 |  |  | 28,345 |  |  | 25,226 |
Total revenue from contracts with customers | $ | 790,334 |  |  | $ | 772,616 |  |  | $ | 765,704 |
_______________________________________________________________________________ * Other includes accrued unbilled revenue The following tables disaggregate the Company’s non-regulated revenue by source for the years ended December 31, 2023, 2022, and 2021:
| 2023 |  | 2022 |  | 2021
Operating and maintenance revenue | $ | 12,499 |  |  | $ | 12,860 |  |  | $ | 16,276 |
Other non-regulated revenue | 3,506 |  |  | 5,774 |  |  | 3,741 |
Non-regulated revenue from contracts with customers | 16,005 |  |  | 18,634 |  |  | 20,017 |
Lease revenue | 2,504 |  |  | 2,642 |  |  | 2,744 |
Total non-regulated revenue | $ | 18,509 |  |  | $ | 21,276 |  |  | $ | 22,761 |
Schedule of lease payments to be received | Maturities of lease payments to be received are as follows:
Year Ending December 31, | Operating Leases
2024 | $ | 3,120 |
2025 | 2,210 |
2026 | 1,485 |
2027 | 575 |
2028 | 179 |
Schedule of activities in the allowance for doubtful accounts | The following table presents the activity in the allowance for credit losses for the periods ended December 31, 2023, 2022, and 2021:
| 2023 |  | 2022 |  | 2021
Beginning Balance | $ | 5,629 |  |  | $ | 3,743 |  |  | 5,246 |
Provision for credit loss expense | 2,480 |  |  | 5,887 |  |  | $ | 1,088 |
Write-offs | (5,795) |  |  | (4,380) |  |  | $ | (3,113) |
Recoveries | 540 |  |  | 379 |  |  | $ | 522 |
Total ending allowance balance | $ | 2,854 |  |  | $ | 5,629 |  |  | $ | 3,743 |
Other Receivables As of December 31, 2023 and 2022, other receivables were:
| 2023 |  | 2022
Accounts receivables from developers | $ | 6,391 |  |  | $ | 7,419 |
Income tax receivables | 1,378 |  |  | 5,496 |
Other | 8,662 |  |  | 8,017 |
Total other receivables | $ | 16,431 |  |  | $ | 20,932 |
Schedule of depreciable plant and equipment | The following table represents depreciable plant and equipment as of December 31:
| 2023 |  | 2022
Equipment | $ | 976,704 |  |  | $ | 915,322 |
Office buildings and other structures | 354,628 |  |  | 339,682 |
Transmission and distribution plant | 3,226,632 |  |  | 2,960,615 |
Total | $ | 4,557,964 |  |  | $ | 4,215,619 |
Schedule of estimated useful lives of depreciable plant and equipment | Depreciation of utility plant is computed on a straight-line basis over the assets' estimated useful lives including cost of removal of certain assets as follows:
| Useful Lives
Equipment | 5 to 50 years
Transmission and distribution plant | 40 to 65 years
Office Buildings and other structures | 50 years
Schedule of allowance for funds used during construction | The amount of AFUDC related to equity funds and to borrowed funds for 2023, 2022, and 2021 are shown in the table below:
| 2023 |  | 2022 |  | 2021
Allowance for equity funds used during construction | $ | 5,551 |  |  | $ | 4,127 |  |  | $ | 3,186 |
Allowance for borrowed funds used during construction | 2,990 |  |  | 2,344 |  |  | 1,766 |
Total | $ | 8,541 |  |  | $ | 6,471 |  |  | $ | 4,952 |
Asset retirement obligations | The following is a reconciliation of the beginning and ending aggregate carrying amount of asset retirement obligations, which are included in “Other long-term liabilities” on the consolidated balance sheets as of December 31, 2023 and 2022:
| 2023 |  | 2022
Obligation at beginning of the year | $ | 36,692 |  |  | $ | 29,459 |
Additional liabilities incurred | 262 |  |  | 5,444 |
Liabilities settled | (128) |  |  | — |
Accretion | 2,209 |  |  | 1,789 |
Obligation at the end of the year | $ | 39,035 |  |  | $ | 36,692 |
Schedule of cash, cash equivalents and restricted cash | The following table provides a reconciliation of cash, cash equivalents, and restricted cash within the Consolidated Balance Sheets that total to the amounts shown on the Consolidated Statements of Cash Flows as of December 31:
| 2023 |  | 2022
Cash and cash equivalents | $ | 39,591 |  |  | $ | 62,100 |
Restricted cash | 45,375 |  |  | 22,925 |
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows | $ | 84,966 |  |  | $ | 85,025 |
Schedule of customer advances for construction, refunds due | Estimated refunds of advances are shown in the table below.
Year Ending December 31, | Refunds of Advances
2024 | $ | 10,800 |
2025 | 10,011 |
2026 | 9,651 |
2027 | 9,381 |
2028 | 9,001 |
Thereafter | 150,604 |
Total refunds | $ | 199,448 |
Schedule of SARs which were dilutive |
| 2023 |  | 2022 |  | 2021
| (In thousands, except per share data)
Net income | $ | 51,376 |  |  | $ | 95,263 |  |  | $ | 100,979 |
Net loss attributable to noncontrolling interests | (535) |  |  | (748) |  |  | (146) |
Net income attributable to California Water Service Group | $ | 51,911 |  |  | $ | 96,011 |  |  | $ | 101,125 |
Weighted average common shares, basic | 56,952 |  |  | 54,320 |  |  | 51,633 |
Weighted average common shares, dilutive | 56,983 |  |  | 54,363 |  |  | 51,633 |
Earnings per share—basic | $ | 0.91 |  |  | $ | 1.77 |  |  | $ | 1.96 |
Earnings per share—diluted | $ | 0.91 |  |  | $ | 1.77 |  |  | $ | 1.96 |

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