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Property, Plant and Equipment | 12 Months Ended
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Dec. 31, 2023
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, 2023
| Average |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Remaining |  |  |  | Duke |  |  |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Useful Life |  | Duke |  | Energy |  | Progress |  | Energy |  | Energy |  | Energy |  | Energy |  |
(in millions) | (Years) |  | Energy |  | Carolinas |  | Energy |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Land |  |  | $ | 2,345 |  |  | $ | 581 |  |  | $ | 1,012 |  |  | $ | 502 |  |  | $ | 510 |  |  | $ | 242 |  |  | $ | 133 |  |  | $ | 352 |
Plant – Regulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric generation, distribution and transmission | 40 |  | 129,985 |  |  | 48,107 |  |  | 57,436 |  |  | 33,171 |  |  | 24,265 |  |  | 7,243 |  |  | 17,199 |  |  | — |
Natural gas transmission and distribution | 57 |  | 14,130 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3,993 |  |  | — |  |  | 10,137 |
Other buildings and improvements | 42 |  | 2,887 |  |  | 1,213 |  |  | 677 |  |  | 377 |  |  | 300 |  |  | 421 |  |  | 355 |  |  | 221 |
Nuclear fuel |  |  | 3,303 |  |  | 1,866 |  |  | 1,437 |  |  | 1,437 |  |  | — |  |  | — |  |  | — |  |  | — |
Equipment | 14 |  | 3,409 |  |  | 870 |  |  | 1,104 |  |  | 654 |  |  | 450 |  |  | 474 |  |  | 442 |  |  | 143 |
Construction in process |  |  | 8,372 |  |  | 2,578 |  |  | 3,941 |  |  | 1,661 |  |  | 2,280 |  |  | 427 |  |  | 427 |  |  | 690 |
Other | 12 |  | 6,920 |  |  | 1,455 |  |  | 2,037 |  |  | 1,481 |  |  | 548 |  |  | 410 |  |  | 344 |  |  | 363 |
Total property, plant and equipment(a) |  |  | 171,351 |  |  | 56,670 |  |  | 67,644 |  |  | 39,283 |  |  | 28,353 |  |  | 13,210 |  |  | 18,900 |  |  | 11,906 |
Total accumulated depreciation – regulated(b)(c) |  |  | (54,323) |  |  | (19,896) |  |  | (22,300) |  |  | (15,227) |  |  | (7,067) |  |  | (3,451) |  |  | (6,501) |  |  | (2,259) |
Total accumulated depreciation – other(d) |  |  | (1,715) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Facilities to be retired, net |  |  | 2 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2 |
Total net property, plant and equipment |  |  | $ | 115,315 |  |  | $ | 36,774 |  |  | $ | 45,344 |  |  | $ | 24,056 |  |  | $ | 21,286 |  |  | $ | 9,759 |  |  | $ | 12,399 |  |  | $ | 9,649 |
(a) Includes finance leases of $697 million, $335 million, $615 million, $552 million, $63 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 $292 million, $119 million and $173 million, respectively, of accumulated amortization of finance leases. (b) Includes $1,793 million, $991 million, $802 million and $802 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 $3 million, $67 million and $4 million at Duke Energy, Duke Energy Carolinas and Duke Energy Indiana, respectively. (d) Includes accumulated amortization of finance leases of $7 million at Duke Energy.
| December 31, 2022
| Average |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Remaining |  |  |  | Duke |  |  |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Useful Life |  | Duke |  | Energy |  | Progress |  | Energy |  | Energy |  | Energy |  | Energy |  |
(in millions) | (Years) |  | Energy |  | Carolinas |  | Energy |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Land |  |  | $ | 2,232 |  |  | $ | 565 |  |  | $ | 993 |  |  | $ | 496 |  |  | $ | 497 |  |  | $ | 230 |  |  | $ | 124 |  |  | $ | 295 |
Plant – Regulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric generation, distribution and transmission | 39 |  | 126,016 |  |  | 46,640 |  |  | 55,872 |  |  | 33,336 |  |  | 22,536 |  |  | 6,900 |  |  | 16,604 |  |  | — |
Natural gas transmission and distribution | 56 |  | 13,174 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3,773 |  |  | — |  |  | 9,401 |
Other buildings and improvements | 40 |  | 2,537 |  |  | 973 |  |  | 647 |  |  | 341 |  |  | 306 |  |  | 398 |  |  | 336 |  |  | 183 |
Nuclear fuel |  |  | 3,081 |  |  | 1,723 |  |  | 1,358 |  |  | 1,358 |  |  | — |  |  | — |  |  | — |  |  | — |
Equipment | 13 |  | 2,959 |  |  | 710 |  |  | 936 |  |  | 567 |  |  | 369 |  |  | 441 |  |  | 356 |  |  | 125 |
Construction in process |  |  | 7,381 |  |  | 2,671 |  |  | 3,073 |  |  | 1,317 |  |  | 1,756 |  |  | 375 |  |  | 381 |  |  | 478 |
Other | 13 |  | 6,459 |  |  | 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 – other(d) |  |  | (1,556) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Facilities to be retired, net |  |  | 9 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 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. Duke Energy has continued 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 was 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) | 2023 |  | 2022 |  | 2021
Duke Energy | $ | 201 |  |  | $ | 118 |  |  | $ | 66 |
Duke Energy Carolinas | 62 |  |  | 50 |  |  | 29 |
Progress Energy | 41 |  |  | 26 |  |  | 20 |
Duke Energy Progress | 35 |  |  | 19 |  |  | 14 |
Duke Energy Florida | 6 |  |  | 7 |  |  | 6 |
Duke Energy Ohio | 16 |  |  | 14 |  |  | 20 |
Duke Energy Indiana(a) | 21 |  |  | 3 |  |  | (17) |
Piedmont | 8 |  |  | 4 |  |  | 9 |
(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.

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