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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2022
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, 2022
Average
RemainingDukeDukeDukeDukeDuke
Useful LifeDukeEnergyProgressEnergyEnergyEnergyEnergy
(in millions)(Years)EnergyCarolinasEnergyProgressFloridaOhioIndianaPiedmont
Land $2,232 $565 $993 $496 $497 $230 $124 $295 
Plant – Regulated
Electric generation, distribution and transmission 39126,016 46,640 55,872 33,336 22,536 6,900 16,604 — 
Natural gas transmission and distribution 5613,174 — — — — 3,773 — 9,401 
Other buildings and improvements 402,537 973 647 341 306 398 336 183 
Plant – Nonregulated  
Other buildings and improvements 10369 — — — — — — — 
Nuclear fuel 3,081 1,723 1,358 1,358 — — — — 
Equipment 132,959 710 936 567 369 441 356 125 
Construction in process 7,381 2,671 3,073 1,317 1,756 375 381 478 
Other156,090 1,368 1,943 1,460 476 380 320 387 
Total property, plant and equipment(a)
163,839 54,650 64,822 38,875 25,940 12,497 18,121 10,869 
Total accumulated depreciation – regulated(b)(c)
(50,544)(18,669)(20,584)(14,201)(6,377)(3,250)(6,021)(2,081)
Total accumulated depreciation – nonregulated(d)
(1,556)— — — — — — — 
Facilities to be retired, net9 — — — — — — 9 
Total net property, plant and equipment $111,748 $35,981 $44,238 $24,674 $19,563 $9,247 $12,100 $8,797 
(a)    Includes finance leases of $816 million, $335 million, $674 million, $590 million, $84 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, Duke Energy Progress and Duke Energy Florida amounts are net of $233 million, $81 million and $152 million, respectively, of accumulated amortization of finance leases.
(b)    Includes $1,683 million, $934 million, $749 million and $749 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 $7 million, $51 million and $4 million at Duke Energy, Duke Energy Carolinas and Duke Energy Indiana, respectively.
(d)    Includes accumulated amortization of finance leases of ($1 million) at Duke Energy.
December 31, 2021
Average
RemainingDukeDukeDukeDukeDuke
Useful LifeDukeEnergyProgressEnergyEnergyEnergyEnergy
(in millions)(Years)EnergyCarolinasEnergyProgressFloridaOhioIndianaPiedmont
Land $2,145 $543 $957 $482 $475 $219 $122 $279 
Plant – Regulated
Electric generation, distribution and transmission 40120,855 44,910 53,447 32,417 21,030 6,573 15,925 — 
Natural gas transmission and distribution 5412,079 — — — — 3,347 — 8,732 
Other buildings and improvements 371,921 550 514 228 286 381 321 155 
Plant – Nonregulated
Other buildings and improvements 11401 — — — — — — — 
Nuclear fuel 3,181 1,856 1,325 1,325 — — — — 
Equipment 132,659 614 791 497 294 403 262 122 
Construction in process 5,979 2,078 2,297 954 1,343 515 460 262 
Other145,276 1,323 1,563 1,115 437 287 253 368 
Total property, plant and equipment(a)
154,496 51,874 60,894 37,018 23,865 11,725 17,343 9,918 
Total accumulated depreciation – regulated(b)(c)
(47,611)(17,854)(19,214)(13,387)(5,819)(3,106)(5,583)(1,899)
Total accumulated depreciation – nonregulated(d)
(1,493)— — — — — — — 
Facilities to be retired, net144 102 26 26 — 6 — 11 
Total net property, plant and equipment $105,536 $34,122 $41,706 $23,657 $18,046 $8,625 $11,760 $8,030 
(a)    Includes finance leases of $958 million, $335 million, $729 million, $627 million, $102 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, Duke Energy Progress and Duke Energy Florida amounts are net of $178 million, $45 million and $133 million, respectively, of accumulated amortization of finance leases.
(b)    Includes $1,799 million, $1,064 million, $735 million and $735 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 $9 million, $33 million, and $3 million at Duke Energy, Duke Energy Carolinas and Duke Energy Indiana, respectively.
(d)    Includes accumulated amortization of finance leases of ($1 million) at Duke Energy.
Duke Energy continues to execute on its business transformation strategy, including the evaluation of in-office work policies considering the experience with the COVID-19 pandemic and also workforce realignment of roles and responsibilities. In May 2021, Duke Energy management approved the sale of certain properties and entered into an agreement to exit certain leased space on December 31, 2021. The sale of the properties is subject to abandonment accounting and resulted in an impairment charge. Additionally, the exit of the leased space resulted in the impairment of related furniture, fixtures and equipment. During the year ended December 31, 2021, Duke Energy recorded a pretax charge to earnings of $192 million on the Consolidated Statements of Operations, which includes $133 million within Impairment of assets and other charges, $42 million within Operations, maintenance and other and $17 million within Depreciation and amortization.
The following table presents capitalized interest, which includes the debt component of AFUDC.
Years Ended December 31,
(in millions)202220212020
Duke Energy$118 $66 $96 
Duke Energy Carolinas50 29 28 
Progress Energy26 20 17 
Duke Energy Progress19 14 12 
Duke Energy Florida7 6 5 
Duke Energy Ohio14 20 26 
Duke Energy Indiana(a)
3 (17)10 
Piedmont4 9 8 
(a)    In 2021, Duke Energy Indiana is primarily compromised of ($24 million) of PISCC amortization, which is partially offset by $7 million of the debt component of AFUDC.