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Jointly Owned Utility Facilities (Tables)
 12 Months Ended
Dec. 31, 2022
Jointly Owned Utility Plant Interests [Line Items]  
Schedule of Jointly Owned Utility Facilities
The amounts shown in the table below represent the Company's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2022 (dollars in millions):
AccumulatedConstruction
CompanyFacility InDepreciation andWork-in-
ShareServiceAmortizationProgress
PacifiCorp:
Jim Bridger Nos. 1-467 %$1,529 $914 $39 
Hunter No. 194 517 227 3 
Hunter No. 260 305 148 6 
Wyodak80 491 273 1 
Colstrip Nos. 3 and 410 262 178 — 
Hermiston50 189 106 — 
Craig Nos. 1 and 219 372 331 — 
Hayden No. 125 77 52 — 
Hayden No. 213 44 31 — 
Transmission and distribution facilitiesVarious916 274 129 
Total PacifiCorp4,702 2,534 178 
MidAmerican Energy:
Louisa No. 188 %976 511 4 
Quad Cities Nos. 1 and 2(1)
25 730 482 11 
Walter Scott, Jr. No. 379 964 624 13 
Walter Scott, Jr. No. 4(2)
60 171 127 7 
George Neal No. 441 321 184 6 
Ottumwa No. 1(2)
52 569 280 19 
George Neal No. 372 535 312 20 
Transmission facilitiesVarious267 101 2 
Total MidAmerican Energy4,533 2,621 82 
NV Energy:
Navajo11 %1 4 — 
Valmy50 399 327 2 
On Line Transmission Line25 161 34 1 
Transmission facilitiesVarious60 29 1 
Total NV Energy621 394 4 
BHE Pipeline Group:
Ellisburg Pool39 %32 11 — 
Ellisburg Station50 26 8 3 
Harrison50 53 18 — 
Leidy50 143 47 1 
Oakford50 202 70 4 
Common FacilitiesVarious275 176 — 
Total BHE Pipeline Group731 330 8 
Total$10,587 $5,879 $272 
(1)Includes amounts related to nuclear fuel.
(2)Facility in-service and accumulated depreciation and amortization amounts are net of credits applied under Iowa regulatory arrangements totaling $733 million and $150 million, respectively.
PAC  
Jointly Owned Utility Plant Interests [Line Items]  
Schedule of Jointly Owned Utility Facilities
The amounts shown in the table below represent PacifiCorp's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2022 (dollars in millions):
FacilityAccumulatedConstruction
PacifiCorpinDepreciation andWork-in-
ShareServiceAmortizationProgress
Jim Bridger Nos. 1 - 4
67 %$1,529 $914 $39 
Hunter No. 194 517 227 3 
Hunter No. 2
60 305 148 6 
Wyodak
80 491 273 1 
Colstrip Nos. 3 and 4
10 262 178 — 
Hermiston
50 189 106 — 
Craig Nos. 1 and 219 372 331 — 
Hayden No. 125 77 52 — 
Hayden No. 213 44 31 — 
Transmission and distribution facilitiesVarious916 274 129 
Total$4,702 $2,534 $178 
MEC  
Jointly Owned Utility Plant Interests [Line Items]  
Schedule of Jointly Owned Utility Facilities
The amounts shown in the table below represent MidAmerican Energy's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2022 (dollars in millions):
AccumulatedConstruction
CompanyPlant inDepreciation andWork-in-
Share
Service
AmortizationProgress
Louisa Unit No. 188 %$976 $511 $4 
Quad Cities Unit Nos. 1 & 2(1)
25 730 482 11 
Walter Scott, Jr. Unit No. 379 964 624 13 
Walter Scott, Jr. Unit No. 4(2)
60 171 127 7 
George Neal Unit No. 441 321 184 6 
Ottumwa Unit No. 1(2)
52 569 280 19 
George Neal Unit No. 372 535 312 20 
Transmission facilities
Various267 101 2 
Total$4,533 $2,621 $82 
(1)Includes amounts related to nuclear fuel.
(2)Plant in-service and accumulated depreciation and amortization amounts are net of credits applied under Iowa regulatory arrangements totaling $733 million and $150 million, respectively.
NPC  
Jointly Owned Utility Plant Interests [Line Items]  
Schedule of Jointly Owned Utility Facilities
The amounts shown in the table below represent Nevada Power's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2022 (dollars in millions):
NevadaConstruction
Power'sUtilityAccumulatedWork-in-
SharePlantDepreciationProgress
Navajo Generating Station(1)
11 %$1 $4 $— 
ON Line Transmission Line19 121 26 1 
Other transmission facilitiesVarious56 27 — 
Total$178 $57 $1 

(1)Represents Nevada Power's proportionate share of capitalized asset retirement costs to retire the Navajo Generating Station, which was shut down in November 2019.
SPPC  
Jointly Owned Utility Plant Interests [Line Items]  
Schedule of Jointly Owned Utility Facilities
The amounts shown in the table below represent Sierra Pacific's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2022 (dollars in millions):
SierraConstruction
Pacific'sUtilityAccumulatedWork-in-
SharePlantDepreciationProgress
Valmy Generating Station50 %$399 $327 $2 
ON Line Transmission Line6 40 8 — 
Valmy Transmission50 4 2 1 
Total$443 $337 $3 
EEGH  
Jointly Owned Utility Plant Interests [Line Items]  
Schedule of Jointly Owned Utility Facilities
The amounts shown in the table below represent Eastern Energy Gas' share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2022 (dollars in millions):

AccumulatedConstruction
Eastern Energy Gas'Facility in Depreciation andWork-in-
ShareServiceAmortizationProgress
Ellisburg Pool39 %$32 $11 $— 
Ellisburg Station50 26 8 3 
Harrison50 53 18 — 
Leidy50 143 47 1 
Oakford50 202 70 4 
Tioga56 69 30 2 
Total$456 $154 $8 
EGTS  
Jointly Owned Utility Plant Interests [Line Items]  
Schedule of Jointly Owned Utility Facilities
The amounts shown in the table below represent EGTS' share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2022 (dollars in millions):

AccumulatedConstruction
EGTS'
Facility in Depreciation andWork-in-
ShareServiceAmortizationProgress
Ellisburg Pool39 %$32 $11 $— 
Ellisburg Station50 26 8 3 
Harrison50 53 18 — 
Leidy50 143 47 1 
Oakford50 202 70 4 
Total$456 $154 $8