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Regulatory Matters (Tables) | 9 Months Ended
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Sep. 30, 2024
Regulated Operations [Abstract] |
Schedule of Regulatory Assets, Net | Regulatory assets and liabilities are comprised of the following as of September 30, 2024 and December 31, 2023:
| September 30, 2024 |  | December 31, 2023
Regulatory assets: |  |  |
Income tax temporary differences (a) | $ | 173,671 |  |  | 157,669 |
Unrecognized pensions and other postretirement benefits (b) | 24,593 |  |  | 24,593 |
Business combinations debt premium (c) | 12,948 |  |  | 14,855 |
Employee benefit costs (d) | 5,433 |  |  | 9,815 |
Monterey Water Revenue Adjustment Mechanism (“MWRAM”) (e) | 10,327 |  |  | 9,361 |
Customer Assistance Program (“CAP”) balancing account (f) | 6,683 |  |  | 5,457 |
Catastrophic event memorandum accounts (“CEMA”) (g) | 975 |  |  | 4,819 |
2022 general rate case interim memorandum account (h) | 3,354 |  |  | 4,571 |
Revenue adjustment mechanisms (n) | 2,528 |  |  | — |
Water supply costs (i) | — |  |  | 583 |
Other (j) | 13,478 |  |  | 8,463 |
Total regulatory assets | 253,990 |  |  | 240,186 |
Less: current regulatory assets (k) | 828 |  |  | 4,276 |
Total regulatory assets, less current portion | $ | 253,162 |  |  | 235,910 |
Regulatory liabilities: |  |  |
Cost of removal (l) | 360,176 |  |  | 346,418 |
Future income tax benefits due to customers (m) | 85,966 |  |  | 88,610 |
Unrecognized pensions and other postretirement benefits (b) | 20,515 |  |  | 20,196 |
Revenue adjustment mechanisms (n) | 1,770 |  |  | 5,536 |
Water supply costs (i) | 3,648 |  |  | — |
Other (o) | 3,594 |  |  | 3,407 |
Total regulatory liabilities | 475,669 |  |  | 464,167 |
Less: current regulatory liabilities (p) | 1,770 |  |  | 3,059 |
Total regulatory liabilities, less current portion | $ | 473,899 |  |  | 461,108 |
___________________________________ (a)Consists primarily of temporary income tax differences that are flowed through to customers, which will be recovered in future rates as these temporary differences reverse. The company expects to recover regulatory assets related to plant depreciation income tax temporary differences over the lives of the plant assets, which are between 4 to 100 years. (b)Represents actuarial losses and gains and prior service cost that have not yet been recognized as components of net periodic benefit cost for certain pension and other postretirement benefit plans. (c)Consists of debt fair value adjustments recognized through purchase accounting for the completed merger with CTWS in 2019. (d)Includes deferrals of pension and other postretirement benefit expense and cost of accrued benefits for vacation. (e)MWRAM is described in the following section. (f)Represents costs associated with SJWC’s CAP. (g)The California Public Utilities Commission (“CPUC”) has authorized water utilities to activate CEMA accounts in order to track savings and costs related to SJWC’s response to catastrophic events, which includes external labor and materials, increases in bad debt from suspension of shutoffs for non-payment, waived deposits and reconnection fees, and divergence from actual versus authorized usage. At December 31, 2023, the balance primarily relates to increased bad debt expenses associated with SJWC’s response to COVID-19. (h)Represents the difference between revenues collected in interim rates in effect as of January 1, 2022 and revenues that would result from rates authorized in SJWC’s 2022 general rate case retroactive to January 1, 2022. (i)Reflects primarily SJWC’s Full Cost Balancing Account which tracks differences in actual water supply costs compared to amounts assumed in base rates, including applicable changes and variations in costs and quantities that affect the overall mix of the water supply. (j)Other includes other balancing and memorandum accounts and regulatory mechanisms, deferred costs for certain information technology activities, asset retirement obligations, tank painting, well reconditioning and rate case expenses. (k)As of September 30, 2024, primarily relates to the current portion of CWC’s deferred well redevelopment and rate case costs. As of December 31, 2023, primarily relates to the current portion of MWRAM. (l)Represents amounts collected in rates from customers for estimated costs to retire assets at the end of their expected useful lives before the costs are incurred. (m)On December 22, 2017 the Tax Cuts and Jobs Act of 2017 (the "Tax Act”) was signed into law. The Tax Act included a reduction in the federal income tax rate from 35% to 21%. The rate reduction was effective on January 1, 2018 and resulted in a regulatory liability for the excess deferred income taxes. The benefit of amortization of excess deferred income taxes flows back to the customers under current normalization rules and agreed upon methods with the commissions. (n)Consists of Water Rate Adjustment mechanism (“WRA”) and Water Conservation Memorandum Account (“WCMA”),which are described in the following section. (o)Other includes other balancing and memorandum accounts, other regulatory mechanisms and accrued tank painting costs. (p)As of September 30, 2024 and December 31, 2023, primarily relates to the current portion of WRA.

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