v3.26.1
Property, Plant and Equipment (Tables)
 3 Months Ended
Mar. 31, 2026
Property, Plant and Equipment [Abstract]  
Schedule of Components of Depreciation, Amortization and Accretion Expense
March 31, 2026December 31, 2025
Estimated Useful Life (years)Gross ValueAccumulated DepreciationCarrying ValueGross ValueAccumulated DepreciationCarrying Value
Electric generation
3-37
$7,514 $(555)$6,959 $7,522 $(481)$7,041 
Nuclear fuel
1-6
517 (236)281 403 (213)190 
Other property and equipment
3-24
67 (12)55 63 (11)52 
Capitalized software
1-5
10 (5)5 10 (5)5 
Construction work in progress199 — 199 258 — 258 
Property, plant and equipment, net$8,307 $(808)$7,499 $8,256 $(710)$7,546 

The components of “Depreciation, amortization and accretion” presented on the Consolidated Statements of Operations for the periods were: 
Three Months Ended March 31,
20262025
Depreciation expense (a)
$77 $55 
Amortization expense (b)
1 5 
Accretion expense (c)
14 14 
Depreciation, amortization and accretion$92 $74 
__________________
(a)Electric generation and other property and equipment.
(b)Intangible assets and capitalized software.
(c)ARO and accrued environmental cost accretion. See Note 8 for additional information.