Property, Plant and Equipment, Net

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Line Items]

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



		As of
	Depreciable	September 30,			December 31,
	Life	2016			2015
Regulated assets:
Utility generation, transmission and distribution systems	5-80 years	$	70,316		$	69,248
Interstate natural gas pipeline assets	3-80 years	6,866			6,755
		77,182			76,003
Accumulated depreciation and amortization		(23,305		)	(22,682		)
Regulated assets, net		53,877			53,321

Nonregulated assets:
Independent power plants	5-30 years	5,073			4,751
Other assets	3-30 years	983			875
		6,056			5,626
Accumulated depreciation and amortization		(1,000		)	(805		)
Nonregulated assets, net		5,056			4,821

Net operating assets		58,933			58,142
Construction work-in-progress		3,175			2,627
Property, plant and equipment, net		$	62,108		$	60,769

Construction work-in-progress includes $2.6 billion as of September 30, 2016 and $2.3 billion as of December 31, 2015, related to the construction of regulated assets.

MidAmerican Funding, LLC and Subsidiaries [Domain]

Property, Plant and Equipment [Line Items]

Property, Plant and Equipment, Net

Refer to Note 4 of MidAmerican Energy's Notes to Financial Statements. In addition to MidAmerican Energy's property, plant and equipment, net, MidAmerican Funding had nonregulated property gross of $22 million as of September 30, 2016 and December 31, 2015, and related accumulated depreciation and amortization of $9 million and $8 million as of September 30, 2016 and December 31, 2015, respectively, which consisted primarily of a corporate aircraft owned by MHC.

MidAmerican Energy Company [Member]

Property, Plant and Equipment [Line Items]

Property, Plant and Equipment, Net

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



		As of
		September 30,			December 31,
	Depreciable Life	2016			2015
Utility plant in service, net:
Generation	20-70 years	$	10,601		$	10,404
Transmission	52-70 years	1,479			1,305
Electric distribution	20-70 years	3,138			3,059
Gas distribution	28-70 years	1,542			1,507
Utility plant in service		16,760			16,275
Accumulated depreciation and amortization		(5,357		)	(5,229		)
Utility plant in service, net		11,403			11,046
Nonregulated property, net:
Nonregulated property gross	5-45 years	7			15
Accumulated depreciation and amortization		(1		)	(5		)
Nonregulated property, net		6			10
		11,409			11,056
Construction work in progress		1,044			667
Property, plant and equipment, net		$	12,453		$	11,723

PacifiCorp [Member]

Property, Plant and Equipment [Line Items]

Property, Plant and Equipment, Net

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



		As of
		September 30,			December 31,
	Depreciable Life	2016			2015

Property, plant and equipment in-service	5-75 years	$	27,051		$	26,757
Accumulated depreciation and amortization		(8,658		)	(8,360		)
Net property, plant and equipment in-service		18,393			18,397
Construction work-in-progress		654			629
Total property, plant and equipment, net		$	19,047		$	19,026

Nevada Power Company [Member]

Property, Plant and Equipment [Line Items]

Property, Plant and Equipment, Net

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



		As of
	Depreciable Life	September 30,			December 31,
	Depreciable Life	2016			2015
Utility plant:
Generation	30 - 55 years	$	4,222		$	4,212
Distribution	20 - 65 years	3,208			3,118
Transmission	45 - 65 years	1,838			1,788
General and intangible plant	5 - 65 years	738			694
Utility plant		10,006			9,812
Accumulated depreciation and amortization		(3,144		)	(2,971		)
Utility plant, net		6,862			6,841
Other non-regulated, net of accumulated depreciation and amortization	5 - 65 years	2			2
Plant, net		6,864			6,843
Construction work-in-progress		107			153
Property, plant and equipment, net		$	6,971		$	6,996

Sierra Pacific Power Company [Member]

Property, Plant and Equipment [Line Items]

Property, Plant and Equipment, Net

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



		As of
	Depreciable Life	September 30,			December 31,
	Depreciable Life	2016			2015
Utility plant:
Electric generation	30 - 60 years	$	1,137		$	1,134
Electric distribution	20 - 70 years	1,411			1,382
Electric transmission	50 - 70 years	757			739
Electric general and intangible plant	5 - 65 years	164			139
Natural gas distribution	40 - 70 years	378			374
Natural gas general and intangible plant	8 - 10 years	15			13
Common general	5 - 65 years	267			265
Utility plant		4,129			4,046
Accumulated depreciation and amortization		(1,419		)	(1,368		)
Utility plant, net		2,710			2,678
Other non-regulated, net of accumulated depreciation and amortization	5 - 65 years	6			—
Plant, net		2,716			2,678
Construction work-in-progress		85			88
Property, plant and equipment, net		$	2,801		$	2,766