REGULATORY ASSETS AND LIABILTIES (Tables)

12 Months Ended

Dec. 31, 2023

Regulated Operations [Abstract]

Schedule of regulatory assets and liabilities

Regulatory assets and liabilities were comprised of the following as of December 31:

	Recovery Period	2023		2022
Regulatory Assets
Property-related temporary differences (tax benefits flowed through to customers)	Indefinite	158,486		143,546
Other accrued benefits	Indefinite	25,363		24,946
Net WRAM and MCBA long-term accounts receivable	Various	10,738		41,558
Asset retirement obligations, net	Indefinite	26,686		24,548
Tank coating	Various	19,602		16,395
IRMA long-term accounts receivable	1-2 years	3,430		3,682
Recoverable property losses	Various	3,121		3,144
PCBA	Various	4,182		19,091
General district balancing account receivable	Various	390		377
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable	1 year	2,459		2,965
Other regulatory assets	Various	3,164		3,368
Total Regulatory Assets		$	257,621	$	283,620
Regulatory Liabilities
Cost of removal		$	447,356	$	414,061
Future tax benefits due to customers		118,051		131,155
Pension and retiree group health		88,728		58,678
HCBA		3,242		14,318
PCBA		8,972		—
CEBA		1,200		6,036
Net WRAM and MCBA long-term payable		2,071		172
Other components of net periodic benefit cost		10,348		2,475
RSF regulatory liability		2,116		—
Other regulatory liabilities		1,633		845
Total Regulatory Liabilities		$	683,717	$	627,740