Information By Business Segments (Tables)

3 Months Ended

Mar. 31, 2012

Information By Business Segments [Abstract]

Information By Business Segments

	Avista Utilities		Ecova			Other			Total Non- Utility			Intersegment Eliminations (1)			Total
For the three months ended March 31, 2012:
Operating revenues	$	405,910	$	37,010		$	9,787		$	46,797		$	(450	)	$	452,257
Resource costs		211,012		—			—			—			—			211,012
Other operating expenses		63,357		35,774			8,378			44,152			(450	)		107,059
Depreciation and amortization		27,318		2,836			168			3,004			—			30,322
Income (loss) from operations		79,081		(1,600	)		1,241			(359	)		—			78,722
Interest expense (2)		18,046		360			965			1,325			(94	)		19,277
Income taxes		21,726		(381	)		(207	)		(588	)		—			21,138
Net income attributable to Avista Corporation		39,477		(826	)		(263	)		(1,089	)		—			38,388
Capital expenditures		57,771		1,142			2			1,144			—			58,915
For the three months ended March 31, 2011:
Operating revenues	$	438,147	$	29,158		$	9,731		$	38,889		$	(450	)	$	476,586
Resource costs		248,121		—			—			—			—			248,121
Other operating expenses		59,682		24,008			7,688			31,696			(450	)		90,928
Depreciation and amortization		25,852		1,664			203			1,867			—			27,719
Income from operations		79,499		3,486			1,840			5,326			—			84,825
Interest expense (2)		17,356		11			1,597			1,608			(373	)		18,591
Income taxes		22,255		1,254			128			1,382			—			23,637
Net income attributable to Avista Corporation		40,117		1,707			94			1,801			—			41,918
Capital expenditures		49,654		315			159			474			—			50,128
Total Assets:
As of March 31, 2012	$	3,758,726	$	389,782		$	105,496		$	495,278		$	—		$	4,254,004
As of December 31, 2011	$	3,809,446	$	292,940		$	112,145		$	405,085		$	—		$	4,214,531

(1) Intersegment eliminations reported as operating revenues and resource costs represent intercompany purchases and sales of electric capacity and energy. Intersegment eliminations reported as interest expense represent intercompany interest.

(2) Including interest expense to affiliated trusts.