Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2023

Regulated Operations [Abstract]

Schedule of regulatory assets, less regulatory liabilities in the consolidated balance sheets for continuing operations

Regulatory assets, less regulatory liabilities, included in the consolidated balance sheets are as follows:

	December 31,
(dollars in thousands)	2023		2022
GSWC
2022/2023 general rate case memorandum accounts (unbilled revenue)	$	52,795	$	—
Water revenue adjustment mechanism, net of the modified cost balancing account	41,545		31,803
Asset retirement obligations (Note 1)	7,099		6,411
COVID-19 memorandum accounts	1,199		3,478
Flowed-through deferred income taxes, net (Note 11)	3,190		(1,134)
Low income rate assistance balancing accounts	5,763		2,526
Pensions and other post-retirement obligations (Note 12)	(4,867)		738
Other regulatory assets	9,462		10,289
Excess deferred income taxes (Note 11)	(70,189)		(71,870)
Other regulatory liabilities	(268)		(8,815)
Total GSWC	$	45,729	$	(26,574)
BVES
Derivative instrument memorandum account (Note 5)	2,360		(11,847)
Wildfire mitigation and other fire prevention related costs memorandum accounts	17,716		13,007
Electric supply cost adjustment mechanism	2,583		3,627
Other regulatory assets	7,697		4,338
Other regulatory liabilities	(6,578)		(8,005)
Total AWR	$	69,507	$	(25,454)