Jointly Owned Utility Facilities (Tables)

12 Months Ended

Dec. 31, 2015

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent the Company's share in each jointly owned facility as of December 31, 2015 (dollars in millions):



					Accumulated		Construction
	Company		Facility In		Depreciation and		Work-in-
	Share		Service		Amortization		Progress
PacifiCorp:
Jim Bridger Nos. 1-4	67	%	$	1,289	$	566	$	83
Hunter No. 1	94		469		154		—
Hunter No. 2	60		293		94		—
Wyodak	80		457		198		3
Colstrip Nos. 3 and 4	10		239		128		2
Hermiston⁽¹⁾	50		177		71		1
Craig Nos. 1 and 2	19		325		213		18
Hayden No. 1	25		76		30		—
Hayden No. 2	13		30		18		7
Foote Creek	79		39		24		—
Transmission and distribution facilities	Various		577		178		46
Total PacifiCorp			3,971		1,674		160
MidAmerican Energy:
Louisa No. 1	88	%	757		405		7
Quad Cities Nos. 1 and 2⁽²⁾	25		672		340		27
Walter Scott, Jr. No. 3	79		608		297		6
Walter Scott, Jr. No. 4⁽³⁾	60		448		91		—
George Neal No. 4	41		305		148		1
Ottumwa No. 1	52		554		184		3
George Neal No. 3	72		415		153		—
Transmission facilities	Various		245		83		2
Total MidAmerican Energy			4,004		1,701		46
NV Energy:
Navajo	11	%	203		141		1
Silverhawk	75		247		58		2
Valmy	50		382		209		2
Transmission facilities	Various		224		39		1
Total NV Energy			1,056		447		6
BHE Pipeline Group - common facilities	Various		285		158		1
Total			$	9,316	$	3,980	$	213


(1)	PacifiCorp has contracted to purchase the remaining 50% of the output of the Hermiston generating facility.


(2)	Includes amounts related to nuclear fuel.


(3)	Facility in-service and accumulated depreciation and amortization amounts are net of credits applied under Iowa revenue sharing arrangements totaling $319 million and $67 million, respectively.

PacifiCorp [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent PacifiCorp's share in each jointly owned facility as of December 31, 2015 (dollars in millions):



			Facility		Accumulated		Construction
	PacifiCorp		in		Depreciation and		Work-in-
	Share		Service		Amortization		Progress

Jim Bridger Nos. 1 - 4	67	%	$	1,289	$	566	$	83
Hunter No. 1	94		469		154		—
Hunter No. 2	60		293		94		—
Wyodak	80		457		198		3
Colstrip Nos. 3 and 4	10		239		128		2
Hermiston ⁽¹⁾	50		177		71		1
Craig Nos. 1 and 2	19		325		213		18
Hayden No. 1	25		76		30		—
Hayden No. 2	13		30		18		7
Foote Creek	79		39		24		—
Transmission and distribution facilities	Various		577		178		46
Total			$	3,971	$	1,674	$	160


(1)	As discussed in Note 17, PacifiCorp has contracted to purchase the remaining 50% of the output of the Hermiston generating facility.

MidAmerican Energy Company [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent MidAmerican Energy's share in each jointly owned facility as of December 31, 2015 (dollars in millions):



					Accumulated		Construction
	Company		Plant in		Depreciation and		Work in
	Share		Service		Amortization		Progress

Louisa Unit No. 1	88.0	%	$	757	$	405	$	7
Quad Cities Unit Nos. 1 & 2⁽¹⁾	25.0		672		340		27
Walter Scott, Jr. Unit No. 3	79.1		608		297		6
Walter Scott, Jr. Unit No. 4⁽²⁾	59.7		448		91		—
George Neal Unit No. 4	40.6		305		148		1
Ottumwa Unit No. 1	52.0		554		184		3
George Neal Unit No. 3	72.0		415		153		—
Transmission facilities⁽³⁾	Various		245		83		2
Total			$	4,004	$	1,701	$	46


(1)	Includes amounts related to nuclear fuel.


(2)	Plant in service and accumulated depreciation and amortization amounts are net of credits applied under Iowa revenue sharing arrangements totaling $319 million and $67 million, respectively.


(3)	Includes 345 and 161 kilovolt transmission lines and substations.

Nevada Power Company [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent Nevada Power's share in each jointly owned facility as of December 31, 2015 (dollars in millions):



	Nevada					Construction
	Power's	Facility In		Accumulated		Work-in-
	Share	Service		Depreciation		Progress

Silverhawk Generating Station	75%	$	247	$	58	$	2
Navajo Generating Station	11	203		141		1
ON Line Transmission Line	24	144		8		1
Other Transmission Facilities	Various	68		28		—
Total		$	662	$	235	$	4

Sierra Pacific Power Company [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent Sierra Pacific's share in each jointly owned facility as of December 31, 2015 (dollars in millions):



	Sierra					Construction
	Pacific's	Facility In		Accumulated		Work-in-
	Share	Service		Depreciation		Progress

Valmy Generating Station	50%	$	382	$	209	$	2
ON Line Transmission Line	1	8		1		—
Valmy Transmission	50	4		2		—
Total		$	394	$	212	$	2