Property, Plant and Equipment, Net

6 Months Ended

Jun. 30, 2012

Property, Plant and Equipment, Net [Abstract]

Property, Plant and Equipment Disclosure [Text Block]


(3)	Property, Plant and Equipment, Net

Property, plant and equipment, net consists of the following (in millions):



		As of
	Depreciable	June 30,			December 31,
	Life	2012			2011
Regulated assets:
Utility generation, distribution and transmission system	5-80 years	$	41,083		$	40,180
Interstate pipeline assets	3-80 years	6,278			6,245
		47,361			46,425
Accumulated depreciation and amortization		(14,844		)	(14,390		)
Regulated assets, net		32,517			32,035

Nonregulated assets:
Independent power plants	5-30 years	677			677
Other assets	3-30 years	438			429
		1,115			1,106
Accumulated depreciation and amortization		(557		)	(533		)
Nonregulated assets, net		558			573

Net operating assets		33,075			32,608
Construction work-in-progress		2,265			1,559
Property, plant and equipment, net		$	35,340		$	34,167

Construction work-in-progress includes $1.8 billion and $1.6 billion as of June 30, 2012 and December 31, 2011, respectively, related to the construction of regulated assets.

The Company completed various acquisitions totaling $106 million during the six-month period ended June 30, 2012. The purchase price for each acquisition was allocated to the assets acquired, which relate primarily to development and construction costs for the Topaz solar project ("Topaz Project") and the Bishop Hill II wind-powered generation project. There were no material liabilities assumed.

- 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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