Information by Business Segments (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Schedule of Business Segments

The following table presents information for each of the Company’s business segments (dollars in thousands):

	Avista Utilities		Alaska Electric Light and Power Company			Total Utility		Other			Intersegment Eliminations (1)			Total
For the year ended December 31, 2020:
Operating revenues	$	1,277,468	$	42,809		$	1,320,277	$	1,614		$	—		$	1,321,891
Resource costs		396,543		1,966			398,509		—			—			398,509
Other operating expenses		341,709		12,905			354,614		5,344			—			359,958
Depreciation and amortization		213,701		9,806			223,507		716			—			224,223
Income (loss) from operations		220,058		17,088			237,146		(4,446	)		—			232,700
Interest expense (2)		98,451		6,272			104,723		524			(186	)		105,061
Income taxes		4,921		3,011			7,932		(881	)		—			7,051
Net income (loss) from continuing operations    attributable to Avista Corp. shareholders		124,810		8,095			132,905		(3,417	)		—			129,488
Capital expenditures (3)		397,292		7,014			404,306		1,368			—			405,674
For the year ended December 31, 2019:
Operating revenues	$	1,295,873	$	37,265		$	1,333,138	$	12,484		$	—		$	1,345,622
Resource costs		442,471		(2,654	)		439,817		—			—			439,817
Other operating expenses (4)		352,170		12,717			364,887		18,883			—			383,770
Depreciation and amortization		195,697		9,668			205,365		629			—			205,994
Income (loss) from operations		200,994		16,423			217,417		(7,028	)		—			210,389
Interest expense (2)		97,866		6,385			104,251		1,032			(929	)		104,354
Income taxes		28,363		2,816			31,179		195			—			31,374
Net income from continuing    operations attributable to Avista Corp.    shareholders		183,977		7,458			191,435		5,544			—			196,979
Capital expenditures (3)		434,077		8,433			442,510		835			—			443,345
For the year ended December 31, 2018:
Operating revenues	$	1,325,966	$	43,599		$	1,369,565	$	27,328		$	—		$	1,396,893
Resource costs		485,231		9,505			494,736		—			—			494,736
Other operating expenses (4)		309,501		12,491			321,992		28,081			—			350,073
Depreciation and amortization		177,006		5,871			182,877		799			—			183,676
Income (loss) from operations		248,000		14,665			262,665		(1,552	)		—			261,113
Interest expense (2)		96,738		3,584			100,322		1,694			(1,080	)		100,936
Income taxes		25,259		3,094			28,353		(2,293	)		—			26,060
Net income (loss) from continuing    operations attributable to Avista Corp.    shareholders		134,874		8,292			143,166		(6,737	)		—			136,429
Capital expenditures (3)		418,741		5,609			424,350		891			—			425,241
Total Assets:
As of December 31, 2020	$	6,035,340	$	268,971		$	6,304,311	$	109,658		$	(11,872	)	$	6,402,097
As of December 31, 2019	$	5,713,268	$	271,393		$	5,984,661	$	113,390		$	(15,595	)	$	6,082,456
As of December 31, 2018	$	5,458,104	$	272,950		$	5,731,054	$	87,050		$	(35,528	)	$	5,782,576

(1) Intersegment eliminations reported as interest expense represent intercompany interest. Intersegment eliminations reported as assets represent intersegment accounts receivable.

(2) Including interest expense to affiliated trusts.

(3) The capital expenditures for the other businesses are included in other investing activities on the Consolidated Statements of Cash Flows.

(4) Other operating expenses for Avista Utilities for 2019 and 2018 include merger transaction costs which are separately disclosed on the Consolidated Statements of Income.