Revenue Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

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):

	2019			2018
Avista Utilities
Revenue from contracts with customers	$	354,301		$	354,162
Derivative revenues	24,127			58,392
Alternative revenue programs	(4,658		)	(5,939		)
Deferrals and amortizations for rate refunds to customers	2,135			(19,822		)
Other utility revenues	1,797			1,961
Total Avista Utilities	377,702			388,754
AEL&P
Revenue from contracts with customers	10,736			14,650
Deferrals and amortizations for rate refunds to customers	(48		)	(1,122		)
Other utility revenues	193			135
Total AEL&P	10,881			13,663
Other
Revenue from contracts with customers	7,647			6,729
Other revenues	251			215
Total other	7,898			6,944
Total operating revenues	$	396,481		$	409,361

Utility Revenue from Contracts with Customers by Type and Service

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

	2019						2018
	Avista Utilities		AEL&P		Total Utility		Avista Utilities		AEL&P		Total Utility
ELECTRIC OPERATIONS
Residential	$	115,392	$	5,852	$	121,244	$	114,753	$	6,538	$	121,291
Commercial and governmental	79,245		4,821		84,066		78,909		8,044		86,953
Industrial	25,248		—		25,248		25,119		—		25,119
Public street and highway lighting	1,903		63		1,966		1,859		68		1,927
Total retail revenue	221,788		10,736		232,524		220,640		14,650		235,290
Transmission	5,152		—		5,152		3,830		—		3,830
Other revenue from contracts with customers	8,194		—		8,194		6,291		—		6,291
Total electric revenue from contracts with customers	$	235,134	$	10,736	$	245,870	$	230,761	$	14,650	$	245,411
NATURAL GAS OPERATIONS
Residential	$	77,336	$	—	$	77,336	$	80,653	$	—	$	80,653
Commercial	36,595		—		36,595		37,373		—		37,373
Industrial and interruptible	1,627		—		1,627		1,683		—		1,683
Total retail revenue	115,558		—		115,558		119,709		—		119,709
Transportation	2,484		—		2,484		2,567		—		2,567
Other revenue from contracts with customers	1,125		—		1,125		1,125		—		1,125
Total natural gas revenue from contracts with customers	$	119,167	$	—	$	119,167	$	123,401	$	—	$	123,401

Schedule Of Utilities Operating Revenue Expense Taxes [Table Text Block]

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

	2019		2018
Utility-related taxes	$	19,089	$	19,167