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Subsidiary Debt (Tables)

12 Months Ended

Dec. 31, 2016

Junior Subordinated Debentures

BHE junior subordinated debentures consists of the following as of December 31 (in millions):



	Par Value		2016		2015

Junior subordinated debentures, due 2043	$	—	$	—	$	1,444
Junior subordinated debentures, due 2044	944		944		1,500
Total BHE junior subordinated debentures - noncurrent	$	944	$	944	$	2,944

Senior Debt

BHE senior debt represents unsecured senior obligations of BHE that are redeemable in whole or in part at any time generally with make-whole premiums. BHE senior debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (in millions):



	Par Value		2016		2015

1.10% Senior Notes, due 2017	$	400	$	400	$	399
5.75% Senior Notes, due 2018	650		649		648
2.00% Senior Notes, due 2018	350		349		348
2.40% Senior Notes, due 2020	350		349		348
3.75% Senior Notes, due 2023	500		497		497
3.50% Senior Notes, due 2025	400		397		397
8.48% Senior Notes, due 2028	475		477		477
6.125% Senior Bonds, due 2036	1,700		1,690		1,690
5.95% Senior Bonds, due 2037	550		547		547
6.50% Senior Bonds, due 2037	1,000		987		987
5.15% Senior Notes, due 2043	750		739		739
4.50% Senior Notes, due 2045	750		737		737
Total BHE Senior Debt	$	7,875	$	7,818	$	7,814

Reflected as:
Current liabilities			$	400	$	—
Noncurrent liabilities			7,418		7,814
Total BHE Senior Debt			$	7,818	$	7,814

Long-term debt of subsidiaries consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (in millions):



	Par Value		2016		2015

PacifiCorp	$	7,120	$	7,079	$	7,159
MidAmerican Funding	4,657		4,592		4,560
NV Energy	4,569		4,582		4,860
Northern Powergrid	2,351		2,379		2,772
BHE Pipeline Group	995		990		1,040
BHE Transmission	4,068		4,058		3,467
BHE Renewables	3,716		3,674		3,356
Total subsidiary debt	$	27,476	$	27,354	$	27,214

Reflected as:
Current liabilities			$	606	$	1,148
Noncurrent liabilities			26,748		26,066
Total subsidiary debt			$	27,354	$	27,214

MidAmerican Energy's long-term debt consists of the following, including amounts maturing within one year and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions):



	Par Value		2016		2015

First mortgage bonds:
2.40%, due 2019	$	500	$	499	$	499
3.70%, due 2023	250		248		248
3.50%, due 2024	500		501		502
4.80%, due 2043	350		345		345
4.40%, due 2044	400		394		394
4.25%, due 2046	450		445		444
Notes:
5.95% Series, due 2017	250		250		250
5.3% Series, due 2018	350		350		349
6.75% Series, due 2031	400		396		395
5.75% Series, due 2035	300		298		298
5.8% Series, due 2036	350		347		347
Transmission upgrade obligation, 4.45% and 3.42% due through 2035 and 2036, respectively	10		7		4
Variable-rate tax-exempt bond obligation series: (weighted average interest rate- 2016-0.76%, 2015-0.03%):
Due 2016	—		—		33
Due 2017	—		—		4
Due 2023, issued in 1993	7		7		7
Due 2023, issued in 2008	57		57		57
Due 2024	35		35		35
Due 2025	13		13		13
Due 2036	33		33		—
Due 2038	45		45		45
Due 2046	30		29		—
Capital lease obligations - 4.16%, due through 2020	2		2		2
Total	$	4,332	$	4,301	$	4,271

Maturities of Long-term Debt [Table Text Block]

Annual Repayments of Long-Term Debt

The annual repayments of BHE and subsidiary debt for the years beginning January 1, 2017 and thereafter, excluding fair value adjustments and unamortized premiums, discounts and debt issuance costs, are as follows (in millions):



											2022 and
	2017		2018		2019		2020		2021		Thereafter		Total

BHE senior notes	$	400	$	1,000	$	—	$	350	$	—	$	6,125	$	7,875
BHE junior subordinated debentures	—		—		—		—		—		944		944
PacifiCorp	58		588		352		40		425		5,657		7,120
MidAmerican Funding	251		351		500		2		1		3,552		4,657
NV Energy	18		840		519		336		27		2,829		4,569
Northern Powergrid	—		49		49		418		—		1,835		2,351
BHE Pipeline Group	66		329		—		—		200		400		995
BHE Transmission	—		151		151		245		3		3,518		4,068
BHE Renewables	213		236		528		161		167		2,411		3,716
Totals	$	1,006	$	3,544	$	2,099	$	1,552	$	823	$	27,271	$	36,295

MidAmerican Energy Company [Member]

Debt Instrument [Line Items]

Maturities of Long-term Debt [Table Text Block]

The annual repayments of MidAmerican Energy's long-term debt for the years beginning January 1, 2017, and thereafter, excluding unamortized premiums, discounts and debt issuance costs, are as follows (in millions):



2017	$	251
2018	351
2019	500
2020	2
2021	1
2022 and thereafter	3,227

Sierra Pacific Power Company [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

Sierra Pacific's long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions):



	Par Value		2016		2015
General and refunding mortgage securities:
6.000% Series M, due 2016	$	—	$	—	$	450
3.375% Series T, due 2023	250		248		248
2.600% Series U, due 2026	400		395		—
6.750% Series P, due 2037	252		255		255
Tax-exempt refunding revenue bond obligations:
Fixed-rate series:
1.250% Pollution Control Series 2016A, due 2029⁽¹⁾	20		20		—
1.500% Gas Facilities Series 2016A, due 2031⁽¹⁾	58		58		—
3.000% Gas and Water Series 2016B, due 2036⁽²⁾	60		64		—
Variable-rate series (2016-0.788% to 0.800%, 2015-0.733% to 1.054%):
Pollution Control Series 2006A, due 2031	—		—		58
Pollution Control Series 2006B, due 2036	—		—		74
Pollution Control Series 2006C, due 2036	—		—		80
Water Facilities Series 2016C, due 2036	30		29		—
Water Facilities Series 2016D, due 2036	25		25		—
Water Facilities Series 2016E, due 2036	25		25		—
Capital and financial lease obligations - 2.700% to 10.130%, due through 2054	34		34		37
Total long-term debt and financial and capital leases	$	1,154	$	1,153	$	1,202

Reflected as:
Current portion of long-term debt and financial and capital lease obligations			$	1	$	453
Long-term debt and financial and capital lease obligations			1,152		749
Total long-term debt and financial and capital leases			$	1,153	$	1,202


(1)	Subject to mandatory purchase by Sierra Pacific in June 2019 at which date the interest rate may be adjusted from time to time.


(2)	Subject to mandatory purchase by Sierra Pacific in June 2022 at which date the interest rate may be adjusted from time to time.

Maturities of Long-term Debt [Table Text Block]

The annual repayments of long-term debt and capital and financial leases for the years beginning January 1, 2017 and thereafter, are as follows (in millions):



	Long-term			Capital and Financial
	Debt			Lease Obligations			Total

2017	$	—		$	4		$	4
2018	—			4			4
2019	—			4			4
2020	—			4			4
2021	—			3			3
Thereafter	1,120			50			1,170
Total	1,120			69			1,189
Unamortized premium, discount and debt issuance cost	(1		)	—			(1		)
Amounts representing interest	—			(35		)	(35		)
Total	$	1,119		$	34		$	1,153

Nevada Power Company [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

Nevada Power's long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions):



	Par Value		2016		2015
General and refunding mortgage securities:
5.950% Series M, due 2016	—		—		210
6.500% Series O, due 2018	324		324		323
6.500% Series S, due 2018	499		498		498
7.125% Series V, due 2019	500		499		499
6.650% Series N, due 2036	367		357		356
6.750% Series R, due 2037	349		345		345
5.375% Series X, due 2040	250		247		247
5.450% Series Y, due 2041	250		236		235
Variable-rate series (2016-1.890% to 1.928%, 2015-0.672% to 1.055%):
Pollution Control Revenue Bonds Series 2006A, due 2032	38		38		38
Pollution Control Revenue Bonds Series 2006, due 2036	38		37		37
Capital and financial lease obligations - 2.750% to 11.600%, due through 2054	485		485		497
Total long-term debt and financial and capital leases	$	3,100	$	3,066	$	3,285

Reflected as:
Current portion of long-term debt and financial and capital lease obligations			$	17	$	225
Long-term debt and financial and capital lease obligations			3,049		3,060
Total long-term debt and financial and capital leases			$	3,066	$	3,285

Maturities of Long-term Debt [Table Text Block]

The annual repayments of long-term debt and capital and financial leases for the years beginning January 1, 2017 and thereafter, are as follows (in millions):



	Long-term			Capital and Financial
	Debt			Lease Obligations			Total

2017	$	—		$	75		$	75
2018	823			74			897
2019	500			76			576
2020	—			75			75
2021	—			79			79
Thereafter	1,292			831			2,123
Total	2,615			1,210			3,825
Unamortized premium, discount and debt issuance cost	(34		)	—			(34		)
Executory costs	—			(111		)	(111		)
Amounts representing interest	—			(614		)	(614		)
Total	$	2,581		$	485		$	3,066

PacifiCorp [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

PacifiCorp's long-term debt and capital lease obligations were as follows as of December 31 (dollars in millions):



	2016						2015
					Average				Average
	Principal		Carrying		Interest		Carrying		Interest
	Amount		Value		Rate		Value		Rate

First mortgage bonds:
3.85% to 8.53%, due through 2021	$	1,272	$	1,269	5.10	%	$	1,271	5.10	%
2.95% to 8.27%, due 2022 to 2026	1,829		1,820		4.10		1,819		4.10
7.70% due 2031	300		298		7.70		298		7.70
5.25% to 6.10%, due 2034 to 2036	850		843		5.80		843		5.80
5.75% to 6.35%, due 2037 to 2039	2,150		2,134		6.00		2,133		6.00
4.10% due 2042	300		297		4.10		297		4.10
Variable-rate series, tax-exempt bond obligations (2016-0.69% to 0.86%; 2015-0.01% to 0.22%):
Due 2017 to 2018	91		91		0.85		91		0.22
Due 2018 to 2025⁽¹⁾	108		108		0.74		107		0.01
Due 2024⁽¹⁾⁽²⁾	143		142		0.70		196		0.02
Due 2024 to 2025 ⁽²⁾	50		50		0.80		59		0.21
Total long-term debt	7,093		7,052				7,114
Capital lease obligations:
8.75% to 14.61%, due through 2035	27		27		11.09		32		11.25
Total long-term debt and capital lease
obligations	$	7,120	$	7,079			$	7,146



Reflected as:
	2016		2015

Current portion of long-term debt and capital lease obligations	$	58	$	68
Long-term debt and capital lease obligations	7,021		7,078
Total long-term debt and capital lease obligations	$	7,079	$	7,146


1)	Supported by $255 million and $310 million of fully available letters of credit issued under committed bank arrangements as of December 31, 2016 and 2015, respectively.


2)	Secured by pledged first mortgage bonds registered to and held by the tax-exempt bond trustee generally with the same interest rates, maturity dates and redemption provisions as the tax-exempt bond obligations.

Maturities of Long-term Debt [Table Text Block]

As of December 31, 2016, the annual principal maturities of long-term debt and total capital lease obligations for 2017 and thereafter are as follows (in millions):



	Long-term			Capital Lease
	Debt			Obligations			Total

2017	$	52		$	9		$	61
2018	586			4			590
2019	350			4			354
2020	38			3			41
2021	420			6			426
Thereafter	5,647			20			5,667
Total	7,093			46			7,139
Unamortized discount and debt issuance costs	(41		)	—			(41		)
Amounts representing interest	—			(19		)	(19		)
Total	$	7,052		$	27		$	7,079

NV Energy, Inc. [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

NV Energy

NV Energy's long-term debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions):



	Par Value		2016		2015
NV Energy -
6.250% Senior Notes, due 2020	$	315	$	363	$	373

Nevada Power:
General and refunding mortgage securities:
5.950% Series M, due 2016	—		—		210
6.500% Series O, due 2018	324		324		323
6.500% Series S, due 2018	499		498		498
7.125% Series V, due 2019	500		499		499
6.650% Series N, due 2036	367		357		356
6.750% Series R, due 2037	349		345		345
5.375% Series X, due 2040	250		247		247
5.450% Series Y, due 2041	250		236		235
Variable-rate series (2016-1.890% to 1.928%, 2015-0.672% to 1.055%):
Pollution Control Revenue Bonds Series 2006A, due 2032	38		38		38
Pollution Control Revenue Bonds Series 2006, due 2036	38		37		37
Capital and financial lease obligations - 2.750% to 11.600%, due through 2054	485		485		497
Total Nevada Power	3,100		3,066		3,285

Sierra Pacific:
General and refunding mortgage securities:
6.000% Series M, due 2016	—		—		450
3.375% Series T, due 2023	250		248		248
2.600% Series U, due 2026	400		395		—
6.750% Series P, due 2037	252		255		255
Tax-exempt refunding revenue bond obligations:
Fixed-rate series:
1.250% Pollution Control Series 2016A, due 2029	20		20		—
1.500% Gas Facilities Series 2016A, due 2031	58		58		—
3.000% Gas and Water Series 2016B, due 2036	60		64		—
Variable-rate series (2016-0.788% to 0.800%, 2015-0.733% to 1.054%):
Pollution Control Series 2006A, due 2031	—		—		58
Pollution Control Series 2006B, due 2036	—		—		74
Pollution Control Series 2006C, due 2036	—		—		80
Water Facilities Series 2016C, due 2036	30		29		—
Water Facilities Series 2016D, due 2036	25		25		—
Water Facilities Series 2016E, due 2036	25		25		—
Capital and financial lease obligations - 2.700% to 10.130%, due through 2054	34		34		37
Total Sierra Pacific	1,154		1,153		1,202
Total NV Energy	$	4,569	$	4,582	$	4,860

MidAmerican Funding [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

MidAmerican Funding

MidAmerican Funding's long-term debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions):



	Par Value		2016		2015
MidAmerican Funding:
6.927% Senior Bonds, due 2029	$	325	$	291	$	289

MidAmerican Energy:
Tax-exempt bond obligations -
Variable-rate tax-exempt bond obligation series: (2016-0.76%, 2015-0.03%), due 2023-2046	220		219		194
First Mortgage Bonds:
2.40%, due 2019	500		499		499
3.70%, due 2023	250		248		248
3.50%, due 2024	500		501		502
4.80%, due 2043	350		345		345
4.40%, due 2044	400		394		394
4.25%, due 2046	450		445		444
Notes:
5.95% Series, due 2017	250		250		250
5.3% Series, due 2018	350		350		349
6.75% Series, due 2031	400		396		395
5.75% Series, due 2035	300		298		298
5.8% Series, due 2036	350		347		347
Transmission upgrade obligation, 4.45% and 3.42% due through 2035 and 2036, respectively	10		7		4
Capital lease obligations - 4.16%, due through 2020	2		2		2
Total MidAmerican Energy	4,332		4,301		4,271
Total MidAmerican Funding	$	4,657	$	4,592	$	4,560

Northern Powergrid Holdings [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

Northern Powergrid

Northern Powergrid and its subsidiaries' long-term debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions):



	Par Value⁽¹⁾		2016		2015

8.875% Bonds, due 2020	$	123	$	136	$	162
9.25% Bonds, due 2020	247		259		315
3.901% to 4.586% European Investment Bank loans, due 2018 to 2022	333		333		398
7.25% Bonds, due 2022	247		257		306
2.50% Bonds due 2025	185		182		217
2.073% European Investment Bank loan, due 2025	62		62		—
2.564% European Investment Bank loans, due 2027	308		308		368
7.25% Bonds, due 2028	229		234		280
4.375% Bonds, due 2032	185		182		217
5.125% Bonds, due 2035	247		243		291
5.125% Bonds, due 2035	185		183		218
Total Northern Powergrid	$	2,351	$	2,379	$	2,772


(1)	The par values for these debt instruments are denominated in sterling.

BHE Pipeline Group [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

BHE Pipeline Group' long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions):



	Par Value		2016		2015
Northern Natural Gas:
5.75% Senior Notes, due 2018	$	200	$	199	$	199
4.25% Senior Notes, due 2021	200		199		199
5.8% Senior Bonds, due 2037	150		149		149
4.1% Senior Bonds, due 2042	250		248		248
Total Northern Natural Gas	800		795		795

Kern River:
4.893% Senior Notes, due 2018	195		195		245

Total BHE Pipeline Group	$	995	$	990	$	1,040

PacifiCorp [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

PacifiCorp

PacifiCorp's long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions):



	Par Value		2016		2015
First mortgage bonds:
3.85% to 8.53%, due through 2021	$	1,272	$	1,269	$	1,271
2.95% to 8.27%, due 2022 to 2026	1,829		1,820		1,819
7.70% due 2031	300		298		298
5.25% to 6.10%, due 2034 to 2036	850		843		843
5.75% to 6.35%, due 2037 to 2039	2,150		2,134		2,133
4.10% due 2042	300		297		297
Variable-rate series, tax-exempt bond obligations (2016-0.69% to 0.86%; 2015-0.01% to 0.22%):
Due 2017 to 2018	91		91		91
Due 2018 to 2025⁽¹⁾	108		108		107
Due 2024⁽¹⁾⁽²⁾	143		142		196
Due 2024 to 2025⁽²⁾	50		50		59
Capital lease obligations - 8.75% to 14.61%, due through 2035	27		27		45
Total PacifiCorp	$	7,120	$	7,079	$	7,159


(1)	Supported by $255 million and $310 million of fully available letters of credit issued under committed bank arrangements as of December 31, 2016 and 2015, respectively.


(2)	Secured by pledged first mortgage bonds registered to and held by the tax-exempt bond trustee generally with the same interest rates, maturity dates and redemption provisions as the tax-exempt bond obligations.

BHE Renewables [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

BHE Renewables

BHE Renewables' long-term debt consists of the following, including fair value adjustments and unamortized debt issuance costs, as of December 31 (dollars in millions):



	Par Value		2016		2015
Fixed-rate⁽¹⁾:
CE Generation Bonds, 7.416%, due 2018	$	67	$	67	$	97
Salton Sea Funding Corporation Bonds, 7.475%, due 2018	30		31		51
Cordova Funding Corporation Bonds, 8.48% to 9.07%, due 2019	96		97		113
Bishop Hill Holdings Senior Notes, 5.125%, due 2032	100		99		102
Solar Star Funding Senior Notes, 3.950%, due 2035	316		311		321
Solar Star Funding Senior Notes, 5.375%, due 2035	977		966		988
Grande Prairie Wind Senior Notes, 3.860%, due 2037	419		414		—
Topaz Solar Farms Senior Notes, 5.750%, due 2039	791		780		815
Topaz Solar Farms Senior Notes, 4.875%, due 2039	230		229		239
Other	22		22		25
Variable-rate⁽¹⁾:
Pinyon Pines I and II Term Loans, due 2019⁽²⁾	356		355		378
Wailuku Special Purpose Revenue Bonds, 0.90%, due 2021	7		7		8
TX Jumbo Road Term Loan, due 2025⁽²⁾	212		206		219
Marshall Wind Term Loan, due 2026⁽²⁾	93		90		—
Total BHE Renewables	$	3,716	$	3,674	$	3,356


(1)	Amortizes quarterly or semiannually.

(2)

The term loans have variable interest rates based on LIBOR plus a margin that varies during the terms of the agreements. The Company has entered into interest rate swaps that fix the interest rate on 75% of the Pinyon Pines outstanding debt and 100% of the TX Jumbo Road and Marshall Wind outstanding debt. The variable interest rate as of December 31, 2016 and 2015 was 2.62% and 2.23%, respectively, while the fixed interest rates ranged from 3.21% to 3.63% as of December 31, 2016, and 3.55% to 3.63% as of December 31, 2015.

BHE Transmission [Member]

Debt Instrument [Line Items]

Subsidiary Debt [Table Text Block]

BHE Transmission's long-term debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31, (dollars in millions):



	Par Value⁽¹⁾		2016		2015
AltaLink Investments, L.P.:
Series 09-1 Senior Bonds, 5.207%, due 2016	$	—	$	—	$	112
Series 12-1 Senior Bonds, 3.674%, due 2019	149		153		151
Series 13-1 Senior Bonds, 3.265%, due 2020	149		152		149
Series 15-1 Senior Bonds, 2.244%, due 2022	149		148		144
Total AltaLink Investments, L.P.	447		453		556

AltaLink, L.P.:
Series 2008-1 Notes, 5.243%, due 2018	149		148		145
Series 2013-2 Notes, 3.621%, due 2020	93		93		90
Series 2012-2 Notes, 2.978%, due 2022	204		204		198
Series 2013-4 Notes, 3.668%, due 2023	372		371		360
Series 2014-1 Notes, 3.399%, due 2024	260		260		252
Series 2016-1 Notes, 2.747%, due 2026	260		259		—
Series 2006-1 Notes, 5.249%, due 2036	112		111		108
Series 2010-1 Notes, 5.381%, due 2040	93		93		90
Series 2010-2 Notes, 4.872%, due 2040	112		111		108
Series 2011-1 Notes, 4.462%, due 2041	205		204		198
Series 2012-1 Notes, 3.99%, due 2042	391		385		374
Series 2013-3 Notes, 4.922%, due 2043	260		260		252
Series 2014-3 Notes, 4.054%, due 2044	219		218		212
Series 2015-1 Notes, 4.090%, due 2045	260		259		251
Series 2016-2 Notes, 3.717%, due 2046	335		333		—
Series 2013-1 Notes, 4.446%, due 2053	186		186		180
Series 2014-2 Notes, 4.274%, due 2064	97		97		93
Total AltaLink, L.P.	3,608		3,592		2,911

Other:
Construction Loan, 4.950%, due 2021	13		13		—

Total BHE Transmission	$	4,068	$	4,058	$	3,467


(1)	The par values for these debt instruments are denominated in Canadian dollars.