Revenues (Tables)

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

For the three months ended March 31, 2023 and 2022, disaggregated revenues from contracts with customers by segment were as follows:

	Three Months Ended March 31,
(dollars in thousands)	2023		2022
Water:
Tariff-based revenues	$	100,541	$	72,498
Surcharges (cost-recovery activities)	317		549
Other	737		518
Water revenues from contracts with customers	101,595		73,565
WRAM under/(over) collection (alternative revenue program)	11,117		341
Total water revenues (1)	112,712		73,906
Electric:
Tariff-based revenues	13,063		12,552
Surcharges (cost-recovery activities)	149		27
Electric revenues from contracts with customers	13,212		12,579
BRRAM under/(over) collection (alternative revenue program)	(308)		(687)
Total electric revenues	12,904		11,892
Contracted services:
Water	22,488		13,546
Wastewater	13,319		9,226
Contracted services revenues from contracts with customers	35,807		22,772
Total AWR revenues	$	161,423	$	108,570

Contract with Customer, Asset and Liability

The opening and closing balances of unbilled receivables, receivable from the U.S. government, contract assets and contract liabilities from contracts with customers, which are related entirely to ASUS, were as follows:    

(dollars in thousands)	March 31, 2023		December 31, 2022
Unbilled receivables	$	15,167	$	10,125
Receivable from the U.S. government	$	91,298	$	85,456
Contract assets	$	13,473	$	14,982
Contract liabilities	$	560	$	903