Revenue (Tables)

3 Months Ended

Mar. 31, 2024

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):

	2024		2023
Utility-related taxes	$	26,581	$	25,739

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):

	2024		2023
Avista Utilities
Revenue from contracts with customers	$	499,382	$	478,775
Derivative revenues		89,580		(3,062	)
Alternative revenue programs		2,883		(19,038	)
Deferrals and amortizations for rate refunds to customers		365		417
Other utility revenues		2,726		3,050
Total Avista Utilities		594,936		460,142
AEL&P
Revenue from contracts with customers		14,302		14,211
Other utility revenues		156		152
Total AEL&P		14,458		14,363
Other non-utility revenues		22		126
Total operating revenues	$	609,416	$	474,631

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):

	2024						2023
	Avista Utilities		AEL&P		Total Utility		Avista Utilities		AEL&P		Total Utility
ELECTRIC OPERATIONS
Revenue from contracts with customers
Residential	$	142,029	$	7,154	$	149,183	$	122,823	$	6,881	$	129,704
Commercial		92,792		7,082		99,874		81,226		7,266		88,492
Industrial		28,066		—		28,066		25,167		—		25,167
Public street and highway lighting		2,164		66		2,230		1,955		64		2,019
Total retail revenue		265,051		14,302		279,353		231,171		14,211		245,382
Transmission		9,592		—		9,592		7,947		—		7,947
Other revenue from contracts with    customers		16,061		—		16,061		17,293		—		17,293
Total electric revenue from contracts  with customers	$	290,704	$	14,302	$	305,006	$	256,411	$	14,211	$	270,622

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):

	2024		2023
	Avista Utilities		Avista Utilities
NATURAL GAS OPERATIONS
Revenue from contracts with customers
Residential	$	132,970	$	140,836
Commercial		67,999		72,325
Industrial and interruptible		3,965		5,528
Total retail revenue		204,934		218,689
Transportation		2,338		2,269
Other revenue from contracts with customers		1,406		1,406
Total natural gas revenue from contracts with customers	$	208,678	$	222,364