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Leases (Tables)
 12 Months Ended
Dec. 31, 2022
Lessee, Lease, Description [Line Items]  
Schedule of Operating and Finance Lease
The following table summarizes the Company's leases recorded on the Consolidated Balance Sheet as of December 31 (in millions):
20222021
Right-of-use assets:
Operating leases$545 $524 
Finance leases418 448 
Total right-of-use assets$963 $972 
Lease liabilities:
Operating leases$605 $577 
Finance leases432 463 
Total lease liabilities$1,037 $1,040 
Schedule of Lease Cost
The following table summarizes the Company's lease costs for the years ended December 31 (in millions):
202220212020
Variable$552 $611$592
Operating136 161151
Finance:
Amortization20 2318
Interest36 3840
Short-term44 1520
Total lease costs$788 $848$821
Weighted-average remaining lease term (years):
Operating leases7.47.67.4
Finance leases28.128.127.5
Weighted-average discount rate:
Operating leases 4.1 %4.3 %4.5 %
Finance leases8.6 %8.6 %8.5 %
Schedule of Operating and Finance Lease, Supplemental Cash Flow
The following table summarizes the Company's supplemental cash flow information relating to leases for the years ended December 31 (in millions):
202220212020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$(141)$(163)$(152)
Operating cash flows from finance leases(36)(38)(40)
Financing cash flows from finance leases(25)(28)(24)
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases$131 $119 $83 
Finance leases3 2 19 
Schedule of Lease Maturity
The Company has the following remaining lease commitments as of December 31, 2022 (in millions):
OperatingFinanceTotal
2023$158 $63 $221 
2024126 62 188 
2025101 61 162 
202678 60 138 
202753 56 109 
Thereafter189 559 748 
Total undiscounted lease payments705 861 1,566 
Less - amounts representing interest(100)(429)(529)
Lease liabilities$605 $432 $1,037 
Sierra Pacific has the following remaining lease commitments as of December 31, 2022 (in millions):
OperatingFinanceTotal
2023$1 $16 $17 
20241 15 16 
20251 16 17 
20261 15 16 
20271 13 14 
Thereafter23 137 160 
Total undiscounted lease payments28 212 240 
Less - amounts representing interest(13)(104)(117)
Lease liabilities$15 $108 $123 
PAC  
Lessee, Lease, Description [Line Items]  
Schedule of Operating and Finance Lease
The following table summarizes PacifiCorp's leases recorded on the Consolidated Balance Sheets as of December 31 (in millions):
20222021
Right-of-use assets:
Operating leases$11 $11 
Finance leases9 11 
Total right-of-use assets$20 $22 
Lease liabilities:
Operating leases$11 $11 
Finance leases11 12 
Total lease liabilities$22 $23 
Schedule of Lease Cost
The following table summarizes PacifiCorp's lease costs for the years ended December 31 (in millions):
202220212020
Variable$61 $56 $60 
Operating3 3 3 
Finance:
Amortization1 5 2 
Interest1 2 2 
Short-term5 3 1 
Total lease costs$71 $69 $68 
Weighted-average remaining lease term (years):
Operating leases11.412.713.9
Finance leases9.710.18.4
Weighted-average discount rate:
Operating leases 3.9 %3.7 %3.8 %
Finance leases11.4 %11.1 %10.5 %
Schedule of Lease Maturity
PacifiCorp has the following remaining lease commitments as of December 31, 2022 (in millions):
OperatingFinanceTotal
2023$3 $2 $5 
20242 2 4 
20252 2 4 
20261 2 3 
20271 2 3 
Thereafter5 8 13 
Total undiscounted lease payments14 18 32 
Less - amounts representing interest(3)(7)(10)
Lease liabilities$11 $11 $22 
NPC  
Lessee, Lease, Description [Line Items]  
Schedule of Operating and Finance Lease
The following table summarizes Nevada Power's leases recorded on the Consolidated Balance Sheet as of December 31 (in millions):
20222021
Right-of-use assets:
Operating leases$9 $10 
Finance leases303 326 
Total right-of-use assets$312 $336 
Lease liabilities:
Operating leases$11 $13 
Finance leases313 336 
Total lease liabilities$324 $349 
Schedule of Lease Cost
The following table summarizes Nevada Power's lease costs for the years ended December 31 (in millions):
202220212020
Variable$369 $449 $434 
Operating2 2 3 
Finance:
Amortization14 13 12 
Interest27 28 29 
Total lease costs$412 $492 $478 
Weighted-average remaining lease term (years):
Operating leases4.85.76.5
Finance leases29.128.728.7
Weighted-average discount rate:
Operating leases 4.5 %4.5 %4.5 %
Finance leases8.6 %8.6 %8.6 %
Schedule of Operating and Finance Lease, Supplemental Cash Flow
The following table summarizes Nevada Power's supplemental cash flow information relating to leases for the years ended December 31 (in millions):
202220212020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$(3)$(3)$(3)
Operating cash flows from finance leases(28)(29)(34)
Financing cash flows from finance leases(17)(16)(15)
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases$— $— $1 
Finance leases3 1 9 
Schedule of Lease Maturity
Nevada Power has the following remaining lease commitments as of December 31, 2022 (in millions):
OperatingFinanceTotal
2023$2 $44 $46 
20243 44 47 
20253 43 46 
20263 44 47 
20272 42 44 
Thereafter— 414 414 
Total undiscounted lease payments13 631 644 
Less - amounts representing interest(2)(318)(320)
Lease liabilities$11 $313 $324 
SPPC  
Lessee, Lease, Description [Line Items]  
Schedule of Operating and Finance Lease
The following table summarizes Sierra Pacific's leases recorded on the Consolidated Balance Sheet as of December 31 (in millions):
20222021
Right-of-use assets:
Operating leases$16 $15 
Finance leases105 111 
Total right-of-use assets$121 $126 
Lease liabilities:
Operating leases$15 $15 
Finance leases108 115 
Total lease liabilities$123 $130 
Schedule of Lease Cost
The following table summarizes Sierra Pacific's lease costs for the years ended December 31 (in millions):
202220212020
Variable$103 $86 $78 
Operating1 1 2 
Finance:
Amortization5 5 4 
Interest8 9 9 
Total lease costs$117 $101 $93 
Weighted-average remaining lease term (years):
Operating leases26.027.427.2
Finance leases28.228.427.8
Weighted-average discount rate:
Operating leases 5.0 %5.0 %5.0 %
Finance leases8.4 %8.2 %8.1 %
Schedule of Operating and Finance Lease, Supplemental Cash Flow
The following table summarizes Sierra Pacific's supplemental cash flow information relating to leases for the years ended December 31 (in millions):
202220212020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$(1)$(1)$(2)
Operating cash flows from finance leases(9)(9)(6)
Financing cash flows from finance leases(7)(7)(5)
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases$1 $— $— 
Finance leases1 1 89 
EGTS  
Lessee, Lease, Description [Line Items]  
Schedule of Operating and Finance Lease
The following table summarizes EGTS' leases recorded on the Consolidated Balance Sheets as of December 31 (in millions):

20222021
Right-of-use assets:
Operating leases$19 $20 
Total right-of-use assets$19 $20 
Lease liabilities:
Operating leases$18 $18 
Total lease liabilities$18 $18 
Schedule of Lease Cost
The following table summarizes EGTS' lease costs for the years ended December 31 (in millions):

202220212020
Operating$2 $3 $6 
Short-term— — 3 
Total lease costs$2 $3 $9 
Weighted-average remaining lease term (years):
Operating leases13.714.711.7
Finance leases0.00.04.6
Weighted-average discount rate:
Operating leases4.3 %4.3 %4.4 %
Finance leases— %— %2.6 %
Schedule of Operating and Finance Lease, Supplemental Cash Flow
The following table summarizes EGTS' supplemental cash flow information relating to leases for the years ended December 31 (in millions):

202220212020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$2 $3 $9 
Operating cash flows from finance leases— 1 — 
Right-of-use assets obtained in exchange for lease liabilities:
Finance leases$— $— $1 
Schedule of Operating Lease Maturity
EGTS has the following remaining operating lease commitments as of December 31, 2022 (in millions):

2023$2 
20242 
20252 
20262 
20272 
Thereafter14 
Total undiscounted lease payments24 
Less - amounts representing interest(6)
Lease liabilities$18