Revenue (Tables)

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Utilities Operating Revenue Expense Taxes

Utility-related taxes included in revenue from contracts with customers were as follows for the three months ended March 31 (dollars in thousands):

	2023		2022
Utility-related taxes	$	25,739	$	22,134

Disaggregation of Revenue

Disaggregation of Total Operating Revenue

The following table disaggregates total operating revenue by segment and source for the three months ended March 31 (dollars in thousands):

	2023			2022
Avista Utilities
Revenue from contracts with customers	$	478,775		$	405,337
Derivative revenues		(3,062	)		57,373
Alternative revenue programs		(19,038	)		(16,777	)
Deferrals and amortizations for rate refunds to customers		417			369
Other utility revenues		3,050			2,570
Total Avista Utilities		460,142			448,872
AEL&P
Revenue from contracts with customers		14,211			12,955
Deferrals and amortizations for rate refunds to customers		—			(48	)
Other utility revenues		152			147
Total AEL&P		14,363			13,054
Other non-utility revenues		126			120
Total operating revenues	$	474,631		$	462,046

Utility Revenue from Contracts with Customers by Type and Service

The following table disaggregates revenue from contracts with customers associated with the Company's electric operations for the three months ended March 31 (dollars in thousands):

	2023						2022
	Avista Utilities		AEL&P		Total Utility		Avista Utilities		AEL&P		Total Utility
Three months ended March 31:
ELECTRIC OPERATIONS
Revenue from contracts with customers
Residential	$	122,823	$	6,881	$	129,704	$	121,003	$	6,461	$	127,464
Commercial		81,226		7,266		88,492		83,570		6,434		90,004
Industrial		25,167		—		25,167		24,892		—		24,892
Public street and highway lighting		1,955		64		2,019		1,864		60		1,924
Total retail revenue		231,171		14,211		245,382		231,329		12,955		244,284
Transmission		7,947		—		7,947		4,685		—		4,685
Other revenue from contracts with    customers		17,293		—		17,293		8,762		—		8,762
Total electric revenue from contracts    with customers	$	256,411	$	14,211	$	270,622	$	244,776	$	12,955	$	257,731

The following table disaggregates revenue from contracts with customers associated with the Company's natural gas operations for the three months ended March 31 (dollars in thousands):

	2023		2022
	Avista Utilities		Avista Utilities
NATURAL GAS OPERATIONS
Revenue from contracts with customers
Residential	$	140,836	$	103,215
Commercial		72,325		50,621
Industrial and interruptible		5,528		2,962
Total retail revenue		218,689		156,798
Transportation		2,269		2,357
Other revenue from contracts with customers		1,406		1,406
Total natural gas revenue from contracts with customers	$	222,364	$	160,561