Property, Plant And Equipment

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

The balances of the major classifications of property, plant and equipment are detailed in the following table as of December 31 (dollars in thousands):



	2012		2011
Avista Utilities:
Electric production	$	1,112,670	$	1,094,223
Electric transmission	546,019		522,930
Electric distribution	1,217,827		1,157,012
Electric construction work-in-progress (CWIP) and other	244,761		205,437
Electric total	3,121,277		2,979,602
Natural gas underground storage	40,890		40,430
Natural gas distribution	704,839		683,948
Natural gas CWIP and other	57,745		41,077
Natural gas total	803,474		765,455
Common plant (including CWIP)	272,991		221,649
Total Avista Utilities	4,197,742		3,966,706
Ecova (1)	30,138		25,763
Other (1)	22,690		22,042
Total	$	4,250,570	$	4,014,511


(1)	Included in other property and investments-net on the Consolidated Balance Sheets. Accumulated depreciation was $23.4 million as of December 31, 2012 and $20.3 million as of December 31, 2011 for Ecova and $13.7 million as of December 31, 2012 and $13.1 million as of December 31, 2011 for the other businesses.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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