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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment PROPERTY, PLANT AND EQUIPMENT
The following tables summarize the property, plant and equipment for Duke Energy and its subsidiary registrants.
December 31, 2025
Average
RemainingDukeDukeDukeDukeDuke
Useful LifeDukeEnergyProgressEnergyEnergyEnergyEnergy
(in millions)(Years)EnergyCarolinasEnergyProgressFloridaOhioIndianaPiedmont
Land $2,667 $644 $1,226 $557 $669 $289 $157 $326 
Plant – Regulated
Electric generation, distribution and transmission 38145,947 52,259 66,751 37,561 29,190 7,945 18,992 — 
Natural gas transmission and distribution 5814,201 — — — — 4,529 — 9,672 
Other buildings and improvements 403,214 1,280 854 423 431 437 381 262 
Nuclear fuel 3,683 2,128 1,555 1,555 — — — — 
Equipment 114,193 1,132 1,456 852 604 555 540 131 
Construction in process 10,075 3,708 4,390 2,761 1,629 394 884 408 
Other116,429 1,362 2,115 1,466 637 478 287 526 
Total property, plant and equipment(a)
190,409 62,513 78,347 45,175 33,160 14,627 21,241 11,325 
Total accumulated depreciation – regulated(b)(c)
(59,441)(20,658)(25,425)(16,980)(8,437)(3,812)(7,492)(2,168)
Total accumulated depreciation – other(d)
(1,009)— — — — — — — 
Total net property, plant and equipment $129,959 $41,855 $52,922 $28,195 $24,723 $10,815 $13,749 $9,157 
(a)    Includes finance leases of $682 million, $349 million, $605 million, $478 million, $127 million and $13 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida and Duke Energy Indiana, respectively, primarily within Plant – Regulated. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $208 million, $203 million and $5 million, respectively, of accumulated amortization of finance leases.
(b)    Includes $1,886 million, $1,064 million, $822 million and $822 million of accumulated amortization of nuclear fuel at Duke Energy, Duke Energy Carolinas, Progress Energy and Duke Energy Progress, respectively.
(c)    Includes accumulated amortization of finance leases of $98 million and $5 million at Duke Energy Carolinas and Duke Energy Indiana, respectively.
(d)    Includes accumulated amortization of finance leases of $35 million at Duke Energy.
December 31, 2024
Average
RemainingDukeDukeDukeDukeDuke
Useful LifeDukeEnergyProgressEnergyEnergyEnergyEnergy
(in millions)(Years)EnergyCarolinasEnergyProgressFloridaOhioIndianaPiedmont
Land $2,503 $617 $1,134 $535 $599 $258 $144 $325 
Plant – Regulated
Electric generation, distribution and transmission 37137,836 49,547 62,351 35,633 26,718 7,634 18,304 — 
Natural gas transmission and distribution 5713,482 — — — — 4,255 — 9,227 
Other buildings and improvements 412,948 1,256 698 391 307 418 372 204 
Nuclear fuel 3,518 2,003 1,515 1,515 — — — — 
Equipment 133,850 997 1,252 753 499 542 490 157 
Construction in process 7,756 2,735 3,657 1,884 1,773 385 406 311 
Other106,844 1,227 1,953 1,349 594 426 254 488 
Total property, plant and equipment(a)
178,737 58,382 72,560 42,060 30,490 13,918 19,970 10,712 
Total accumulated depreciation – regulated(b)(c)
(55,143)(19,090)(23,586)(15,930)(7,650)(3,674)(6,848)(2,041)
Total accumulated depreciation – other(d)
(1,968)— — — — — — — 
Total net property, plant and equipment $121,626 $39,292 $48,974 $26,130 $22,840 $10,244 $13,122 $8,671 
(a)    Includes finance leases of $670 million, $336 million, $620 million, $512 million, $108 million, and $10 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida and Duke Energy Indiana, respectively, primarily within Plant – Regulated. The Progress Energy and Duke Energy Progress amounts are net of $159 million of accumulated amortization of finance leases.
(b)    Includes $1,824 million, $1,010 million, $814 million and $814 million of accumulated amortization of nuclear fuel at Duke Energy, Duke Energy Carolinas, Progress Energy and Duke Energy Progress, respectively.
(c)    Includes accumulated amortization of finance leases of $84 million and $4 million at Duke Energy Carolinas and Duke Energy Indiana, respectively.
(d)    Includes accumulated amortization of finance leases of $25 million at Duke Energy.
The following table presents capitalized interest, which includes the debt component of AFUDC.
Years Ended December 31,
(in millions)202520242023
Duke Energy$182 $201 $201 
Duke Energy Carolinas66 61 62 
Progress Energy60 57 41 
Duke Energy Progress53 52 35 
Duke Energy Florida7 5 6 
Duke Energy Ohio10 14 16 
Duke Energy Indiana
2 13 21 
Piedmont7 8 8