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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2024
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, 2024 are as follows (in millions):
2030 and
20252026202720282029ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments$2,391 $1,880 $1,842 $1,795 $1,753 $17,409 $27,070 
Construction commitments3,300 1,610 838 295 66 30 6,139 
Easements85 88 90 91 91 3,105 3,550 
Maintenance, service and other contracts446 430 363 270 218 918 2,645 
$6,222 $4,008 $3,133 $2,451 $2,128 $21,462 $39,404 
Schedule of Loss Contingencies by Contingency
The following table presents changes in PacifiCorp's liability for estimated losses associated with the Wildfires for the years ended December 31 (in millions):

202420232022
Beginning balance$1,723 $424 $252 
Accrued losses346 1,930 225 
Payments(533)(631)(53)
Ending balance$1,536 $1,723 $424 
The following table presents changes in PacifiCorp's receivable for expected insurance recoveries associated with the Wildfires for the years ended December 31 (in millions):

202420232022
Beginning balance$499 $246 $116 
Accruals— 253 161 
Payments received(401)— (31)
Ending balance$98 $499 $246 
PAC  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule Minimum payments as of December 31, 2024 are as follows (in millions):
202520262027202820292030 and ThereafterTotal
Contract type:
Purchased electricity contracts -
commercially operable$358 $195 $194 $197 $196 $1,755 $2,895 
Purchased electricity contracts -
non-commercially operable34 58 58 58 58 946 1,212 
Fuel contracts825 621 608 489 495 453 3,491 
Construction commitments260 98 9 1 — — 368 
Transmission108 108 98 93 79 340 826 
Easements15 17 17 17 17 625 708 
Maintenance, service and
other contracts144 125 89 64 41 110 573 
Total commitments$1,744 $1,222 $1,073 $919 $886 $4,229 $10,073 
Schedule of Loss Contingencies by Contingency
The following table presents changes in PacifiCorp's liability for estimated losses associated with the Wildfires for the years ended December 31 (in millions):
202420232022
Beginning balance$1,723 $424 $252 
Accrued losses346 1,930 225 
Payments(533)(631)(53)
Ending balance$1,536 $1,723 $424 
The following table presents changes in PacifiCorp's receivable for expected insurance recoveries associated with the Wildfires for the years ended December 31 (in millions):
202420232022
Beginning balance$499 $246 $116 
Accruals— 253 161 
Payments received(401)— (31)
Ending balance$98 $499 $246 
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, 2024, are as follows (in millions):
2030 and
20252026202720282029ThereafterTotal
Contract type:
Coal and natural gas for generation$83 $47 $37 $6 $— $— $173 
Electric capacity and transmission33 32 17 8 — — 90 
Natural gas contracts for gas operations219 94 65 25 5 14 422 
Construction commitments402 74 38 24 17 — 555 
Easements45 46 47 48 49 1,650 1,885 
Maintenance, services and other156 153 131 95 77 18 630 
$938 $446 $335 $206 $148 $1,682 $3,755 
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, 2024 are as follows (in millions):
202520262027202820292030 and ThereafterTotal
Contract type:
Purchased electricity contracts - commercially operable$407 $410 $411 $388 $391 $4,556 $6,563 
Purchased electricity contracts - non-commercially operable— 4 83 261 261 5,011 5,620 
Fuel contracts55 54 53 47 45 79 333 
Construction commitments667 597 387 153 32 27 1,863 
Transmission12 28 11 7 5 42 105 
Easements4 4 4 4 2 32 50 
Maintenance, service and other contracts16 27 31 15 1 — 90 
Total commitments$1,161 $1,124 $980 $875 $737 $9,747 $14,624 
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, 2024 are as follows (in millions):
2030 and
20252026202720282029ThereafterTotal
Contract type:
Purchased electricity contracts - commercially operable
$119 $120 $112 $106 $97 $1,370 $1,924 
Purchased electricity contracts - non-commercially operable
9 25 41 54 63 2,773 2,965 
Fuel contracts
67 54 27 27 26 58 259 
Construction commitments1,224 784 401 117 17 — 2,543 
Transmission
28 4 5 — — — 37 
Easements2 2 2 1 2 30 39 
Maintenance, service and other contracts12 16 14 1 1 2 46 
Total commitments$1,461 $1,005 $602 $306 $206 $4,233 $7,813