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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2021
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, 2021 are as follows (in millions):
2027 and
20222023202420252026ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$2,475 $1,635 $1,422 $1,164 $1,054 $11,964 $19,714 
Construction commitments1,329 831 776 87 4 — 3,027 
Easements82 84 80 82 83 2,870 3,281 
Maintenance, service and other contracts
474 364 300 249 240 1,543 3,170 
$4,360 $2,914 $2,578 $1,582 $1,381 $16,377 $29,192 
PAC  
Contractual Obligation [Line Items]  
Contractual Obligation, Fiscal Year Maturity Schedule
PacifiCorp has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2021 are as follows (in millions):
202220232024202520262027 and ThereafterTotal
Contract type:
Purchased electricity contracts -
commercially operable$372 $223 $212 $194 $192 $2,190 $3,383 
Fuel contracts586 366 310 134 129 468 1,993 
Construction commitments51 106 27 — — — 184 
Transmission108 106 90 62 51 431 848 
Easements20 20 19 19 19 518 615 
Maintenance, service and
other contracts113 56 53 52 51 253 578 
Total commitments$1,250 $877 $711 $461 $442 $3,860 $7,601 
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, 2021, are as follows (in millions):
2027 and
20222023202420252026ThereafterTotal
Contract type:
Coal and natural gas for generation$127 $81 $55 $27 $— $— $290 
Electric capacity and transmission32 32 32 32 32 25 185 
Natural gas contracts for gas operations156 59 28 20 11 21 295 
Construction commitments806 19 12 11 4 — 852 
Easements40 41 42 43 44 1,574 1,784 
Maintenance, services and other165 166 131 99 98 260 919 
$1,326 $398 $300 $232 $189 $1,880 $4,325 
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, 2021 are as follows (in millions):
202220232024202520262027 and ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$713 $458 $346 $348 $352 $3,250 $5,467 
Fuel and capacity contract commitments (not commercially operable)
20 60 181 212 211 4,302 4,986 
Construction commitments141 209 — — — — 350 
Easements4 5 2 2 2 52 67 
Maintenance, service and other contracts51 34 23 18 14 33 173 
Total commitments$929 $766 $552 $580 $579 $7,637 $11,043 
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, 2021 are as follows (in millions):
2027 and
20222023202420252026ThereafterTotal
Contract type:
Fuel, capacity and transmission contract commitments
$338 $227 $149 $120 $105 $1,072 $2,011 
Fuel and capacity contract commitments (not commercially operable)
25 27 27 26 26 459 590 
Construction commitments35 497 737 76 — — 1,345 
Easements2 2 2 2 2 28 38 
Maintenance, service and other contracts7 6 6 5 1 — 25 
Total commitments$407 $759 $921 $229 $134 $1,559 $4,009