Information By Business Segments (Tables)

12 Months Ended

Dec. 31, 2012

Segment Reporting [Abstract]

Information by Business Segments

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

	Avista Utilities		Ecova		Other			Total Non-Utility			Intersegment Eliminations (1)			Total
For the year ended December 31, 2012:
Operating revenues	$	1,354,185	$	155,664	$	38,953		$	194,617		$	(1,800	)	$	1,547,002
Resource costs	693,127		—		—			—			—			693,127
Other operating expenses (3)	276,780		139,173		39,841			179,014			(1,800		)	453,994
Depreciation and amortization	112,091		13,519		792			14,311			—			126,402
Income from operations (3)	188,778		2,972		(1,680		)	1,292			—			190,070
Interest expense (2)	72,552		1,790		3,437			5,227			(344		)	77,435
Income taxes	42,842		1,497		(3,078		)	(1,581		)	—			41,261
Net income (loss) attributable to Avista Corporation shareholders	81,704		1,825		(5,319		)	(3,494		)	—			78,210
Capital expenditures	271,187		4,121		666			4,787			—			275,974
For the year ended December 31, 2011:
Operating revenues	$	1,443,322	$	137,848	$	40,410		$	178,258		$	(1,800	)	$	1,619,780
Resource costs	790,048		—		—			—			—			790,048
Other operating expenses (3)	261,926		109,738		34,917			144,655			(1,800		)	404,781
Depreciation and amortization	105,629		7,193		778			7,971			—			113,600
Income from operations (3)	202,373		20,917		4,714			25,631			—			228,004
Interest expense (2)	69,347		305		4,943			5,248			(387		)	74,208
Income taxes	48,964		7,852		(184		)	7,668			—			56,632
Net income (loss) attributable to Avista Corporation shareholders	90,902		9,671		(349		)	9,322			—			100,224
Capital expenditures	239,782		2,998		592			3,590			—			243,372
For the year ended December 31, 2010:
Operating revenues	$	1,419,646	$	102,035	$	61,067		$	163,102		$	(24,008	)	$	1,558,740
Resource costs	795,075		—		—			—			—			795,075
Other operating expenses (3)	252,437		80,100		54,394			134,494			(24,008		)	362,923
Depreciation and amortization	100,554		6,070		1,002			7,072			—			107,626
Income from operations (3)	198,200		15,865		5,669			21,534			—			219,734
Interest expense (2)	70,867		276		5,530			5,806			(249		)	76,424
Income taxes	46,428		5,679		(950		)	4,729			—			51,157
Net income (loss) attributable to Avista Corporation shareholders	86,681		7,433		(1,689		)	5,744			—			92,425
Capital expenditures	202,227		1,932		497			2,429			—			204,656
Total Assets:
As of December 31, 2012	$	3,894,821	$	322,720	$	95,638		$	418,358		$	—		$	4,313,179
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.

(3) Includes an immaterial correction of an error related to the reclassification of certain operating expenses from other expense-net to utility and non-utility other operating expenses and utility taxes other than income taxes. This correction did not have an impact on net income or earnings per share. See Note 1 for further information regarding this reclassification.