Jointly Owned Utility Facilities (Notes)

12 Months Ended

Dec. 31, 2015

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Text Block]

Jointly Owned Utility Facilities

Under joint facility ownership agreements, the Domestic Regulated Businesses, as tenants in common, have undivided interests in jointly owned generation, transmission, distribution and pipeline common facilities. The Company accounts for its proportionate share of each facility, and each joint owner has provided financing for its share of each facility. Operating costs of each facility are assigned to joint owners based on their percentage of ownership or energy production, depending on the nature of the cost. Operating costs and expenses on the Consolidated Statements of Operations include the Company's share of the expenses of these facilities.

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 [Text Block]

Jointly Owned Utility Facilities

Under joint facility ownership agreements with other utilities, PacifiCorp, as a tenant in common, has undivided interests in jointly owned generation, transmission and distribution facilities. PacifiCorp accounts for its proportionate share of each facility, and each joint owner has provided financing for its share of each facility. Operating costs of each facility are assigned to joint owners based on their percentage of ownership or energy production, depending on the nature of the cost. Operating costs and expenses on the Consolidated Statements of Operations include PacifiCorp's share of the expenses of these facilities.

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.

In October 2015, PacifiCorp and Idaho Power Company ("Idaho Power") each transferred to the other party full or undivided interests in specified transmission-related equipment and facilities under a Joint Purchase and Sale Agreement executed in October 2014. Contemporaneously with the Joint Purchase and Sale Agreement, PacifiCorp and Idaho Power executed a Joint Ownership and Operating Agreement applicable to the specified transmission-related equipment and facilities.

MidAmerican Energy Company [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Text Block]

Jointly Owned Utility Facilities

Under joint facility ownership agreements with other utilities, MidAmerican Energy, as a tenant in common, has undivided interests in jointly owned generation and transmission facilities. MidAmerican Energy accounts for its proportionate share of each facility, and each joint owner has provided financing for its share of each facility. Operating costs of each facility are assigned to joint owners based on their percentage of ownership or energy production, depending on the nature of the cost. Operating costs and expenses on the Statements of Operations include MidAmerican Energy's share of the expenses of these facilities.

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.

MidAmerican Funding, LLC and Subsidiaries [Domain]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Text Block]

Jointly Owned Utility Facilities

Refer to Note 4 of MidAmerican Energy's Notes to Financial Statements.

Nevada Power Company [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Text Block]

Jointly Owned Utility Facilities

Under joint facility ownership agreements, Nevada Power, as tenants in common, has undivided interests in jointly owned generation and transmission facilities. Nevada Power accounts for its proportionate share of each facility and each joint owner has provided financing for its share of each facility. Operating costs of each facility are assigned to joint owners based on their percentage of ownership or energy production, depending on the nature of the cost. Operating costs and expenses on the Consolidated Statements of Operations include Nevada Power's share of the expenses of these facilities. 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 [Text Block]

Jointly Owned Utility Facilities

Under joint facility ownership agreements, Sierra Pacific, as tenants in common, has undivided interests in jointly owned generation and transmission facilities. Sierra Pacific accounts for its proportionate share of each facility and each joint owner has provided financing for its share of each facility. Operating costs of each facility are assigned to joint owners based on their percentage of ownership or energy production, depending on the nature of the cost. Operating costs and expenses on the Consolidated Statements of Operations include Sierra Pacific's share of the expenses of these facilities. 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