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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2022
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
The Company has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2022 are as follows (in millions):
2028 and
20232024202520262027ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$3,431 $1,879 $1,381 $1,286 $1,234 $11,862 $21,073 
Construction commitments2,434 1,088 144 294 10 — 3,970 
Easements88 86 85 86 87 3,049 3,481 
Maintenance, service and other contracts
461 350 297 283 256 1,472 3,119 
$6,414 $3,403 $1,907 $1,949 $1,587 $16,383 $31,643 
Schedule of Loss Contingencies by Contingency
The following table presents changes in PacifiCorp's liability for estimated losses associated with the 2020 Wildfires for the years ended December 31 (in millions):
202220212020
Beginning balance$252 $252 $— 
Accrued losses225 — 252 
Payments(53)— — 
Ending balance$424 $252 $252 
PAC  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule Minimum payments as of December 31, 2022 are as follows (in millions):
202320242025202620272028 and ThereafterTotal
Contract type:
Purchased electricity contracts -
commercially operable$547 $241 $199 $197 $197 $2,162 $3,543 
Purchased electricity contracts -
non-commercially operable— — 6 12 12 208 238 
Fuel contracts784 398 148 146 153 401 2,030 
Construction commitments535 210 14 1 — — 760 
Transmission108 100 74 65 55 418 820 
Easements21 20 20 21 21 720 823 
Maintenance, service and
other contracts101 54 55 53 53 197 513 
Total commitments$2,096 $1,023 $516 $495 $491 $4,106 $8,727 
Schedule of Loss Contingencies by Contingency
The following table presents changes in PacifiCorp's liability for estimated losses associated with the 2020 Wildfires for the years ended December 31 (in millions):
202220212020
Beginning balance$252 $252 $— 
Accrued losses225 — 252 
Payments(53)— — 
Ending balance$424 $252 $252 
MEC  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
MidAmerican Energy had the following firm commitments that are not reflected on the Balance Sheet. Minimum payments as of December 31, 2022, are as follows (in millions):
2028 and
20232024202520262027ThereafterTotal
Contract type:
Coal and natural gas for generation$139 $81 $60 $29 $30 $— $339 
Electric capacity and transmission33 32 33 33 17 7 155 
Natural gas contracts for gas operations172 78 70 60 47 33 460 
Construction commitments699 60 24 4 — — 787 
Easements42 43 44 44 45 1,536 1,754 
Maintenance, services and other165 129 98 102 99 163 756 
$1,250 $423 $329 $272 $238 $1,739 $4,251 
NPC  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
Nevada Power has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2022 are as follows (in millions):
202320242025202620272028 and ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$1,149 $485 $357 $360 $349 $2,871 $5,571 
Fuel and capacity contract commitments (not commercially operable)
60 181 211 211 211 4,148 5,022 
Construction commitments525 77 20 21 10 — 653 
Easements5 3 2 2 2 50 64 
Maintenance, service and other contracts30 24 24 19 11 38 146 
Total commitments$1,769 $770 $614 $613 $583 $7,107 $11,456 
SPPC  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
Sierra Pacific has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2022 are as follows (in millions):
2028 and
20232024202520262027ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$413 $244 $184 $134 $127 $1,447 $2,549 
Fuel and capacity contract commitments (not commercially operable)
8 11 12 12 11 236 290 
Construction commitments500 741 86 268 — — 1,595 
Easements2 2 2 2 2 33 43 
Maintenance, service and other contracts7 5 5 3 — 5 25 
Total commitments$930 $1,003 $289 $419 $140 $1,721 $4,502