Property, Plant and Equipment, Net

3 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Line Items]

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



		As of
	Depreciable	March 31,			December 31,
	Life	2019			2018
Regulated assets:
Utility generation, transmission and distribution systems	5-80 years	$	77,659		$	76,707
Interstate natural gas pipeline assets	3-80 years	7,547			7,524
		85,206			84,231
Accumulated depreciation and amortization		(26,253		)	(25,894		)
Regulated assets, net		58,953			58,337

Nonregulated assets:
Independent power plants	5-30 years	6,844			6,826
Other assets	3-30 years	1,474			1,424
		8,318			8,250
Accumulated depreciation and amortization		(1,711		)	(1,610		)
Nonregulated assets, net		6,607			6,640

Net operating assets		65,560			64,977
Construction work-in-progress		3,388			3,110
Property, plant and equipment, net		$	68,948		$	68,087

Construction work-in-progress includes $3.2 billion as of March 31, 2019 and $2.9 billion as of December 31, 2018, 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 3 of MidAmerican Energy's Notes to Financial Statements. In addition to MidAmerican Energy's property, plant and equipment, net, MidAmerican Funding had as of March 31, 2019 and December 31, 2018, nonregulated property gross of $24 million and related accumulated depreciation and amortization of $12 million, 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
		March 31,			December 31,
	Depreciable Life	2019			2018
Utility plant in service, net:
Generation	20-70 years	$	14,092		$	13,727
Transmission	52-75 years	1,946			1,934
Electric distribution	20-75 years	3,732			3,672
Natural gas distribution	29-75 years	1,734			1,724
Utility plant in service		21,504			21,057
Accumulated depreciation and amortization		(6,076		)	(5,941		)
Utility plant in service, net		15,428			15,116
Nonregulated property, net:
Nonregulated property gross	20-50 years	7			7
Accumulated depreciation and amortization		(1		)	(1		)
Nonregulated property, net		6			6
		15,434			15,122
Construction work-in-progress		1,111			1,035
Property, plant and equipment, net		$	16,545		$	16,157

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
		March 31,			December 31,
	Depreciable Life	2019			2018
Utility Plant:
Utility plant in-service	5-75 years	$	28,455		$	28,399
Accumulated depreciation and amortization		(10,105		)	(10,034		)
Utility plant in-service, net		18,350			18,365
Other non-regulated, net of accumulated depreciation and amortization	47 years	10			10
Plant, net		18,360			18,375
Construction work-in-progress		1,338			1,195
Property, plant and equipment, net		$	19,698		$	19,570

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	March 31,			December 31,
	Depreciable Life	2019			2018
Utility plant:
Generation	30 - 55 years	$	3,725		$	3,720
Distribution	20 - 65 years	3,436			3,411
Transmission	45 - 70 years	1,441			1,439
General and intangible plant	5 - 65 years	710			716
Utility plant		9,312			9,286
Accumulated depreciation and amortization		(2,995		)	(2,966		)
Utility plant, net		6,317			6,320
Other non-regulated, net of accumulated depreciation and amortization	45 years	1			1
Plant, net		6,318			6,321
Construction work-in-progress		125			97
Property, plant and equipment, net		$	6,443		$	6,418

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	March 31,			December 31,
	Depreciable Life	2019			2018
Utility plant:
Electric generation	25 - 60 years	$	1,132		$	1,132
Electric distribution	20 - 100 years	1,588			1,568
Electric transmission	50 - 100 years	818			812
Electric general and intangible plant	5 - 70 years	174			185
Natural gas distribution	35 - 70 years	405			403
Natural gas general and intangible plant	5 - 70 years	14			14
Common general	5 - 70 years	318			321
Utility plant		4,449			4,435
Accumulated depreciation and amortization		(1,585		)	(1,583		)
Utility plant, net		2,864			2,852
Other non-regulated, net of accumulated depreciation and amortization	70 years	5			5
Plant, net		2,869			2,857
Construction work-in-progress		96			90
Property, plant and equipment, net		$	2,965		$	2,947