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Property, Plant and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2018
Public Utility, Property, Plant and Equipment [Line Items] |
Schedule Of Property, Plant And Equipment | The composite weighted average depreciation rates, excluding nuclear fuel, are included in the table that follows.
| Years Ended December 31,
| 2018 |  |  | 2017 |  |  | 2016 |
Duke Energy | 3.0 | % |  | 2.8 | % |  | 2.8 | %
Duke Energy Carolinas | 2.8 | % |  | 2.8 | % |  | 2.8 | %
Progress Energy | 2.9 | % |  | 2.6 | % |  | 2.7 | %
Duke Energy Progress | 2.9 | % |  | 2.6 | % |  | 2.6 | %
Duke Energy Florida | 3.0 | % |  | 2.8 | % |  | 2.8 | %
Duke Energy Ohio | 2.8 | % |  | 2.8 | % |  | 2.6 | %
Duke Energy Indiana | 3.3 | % |  | 3.0 | % |  | 3.1 | %
Piedmont(a) | 2.5 | % |  | 2.3 | % |  |
(a) | Piedmont's weighted average depreciation rate was 2.4 percent for the annualized two months ended December 31, 2016, and for the year ended October 31, 2016.
The following tables summarize the property, plant and equipment for Duke Energy and its subsidiary registrants.
| December 31, 2018
| Estimated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Useful |  |  |  | Duke |  |  |  |  | Duke |  |  | Duke |  |  | Duke |  |  | Duke |  |  |
| Life |  | Duke |  |  | Energy |  |  | Progress |  |  | Energy |  |  | Energy |  |  | Energy |  |  | Energy |  |  |
(in millions) | (Years) |  | Energy |  |  | Carolinas |  |  | Energy |  |  | Progress |  |  | Florida |  |  | Ohio |  |  | Indiana |  |  | Piedmont
Land |  |  | $ | 2,072 |  |  | $ | 472 |  |  | $ | 868 |  |  | $ | 445 |  |  | $ | 423 |  |  | $ | 136 |  |  | $ | 116 |  |  | $ | 448 |
Plant – Regulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric generation, distribution and transmission | 15-100 |  | 100,706 |  |  | 38,468 |  |  | 42,760 |  |  | 26,147 |  |  | 16,613 |  |  | 5,182 |  |  | 14,292 |  |  | — |
Natural gas transmission and distribution | 12-80 |  | 8,808 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,719 |  |  | — |  |  | 6,089 |
Other buildings and improvements | 24-90 |  | 1,966 |  |  | 681 |  |  | 636 |  |  | 295 |  |  | 341 |  |  | 270 |  |  | 253 |  |  | 126 |
Plant – Nonregulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric generation, distribution and transmission | 5-30 |  | 4,410 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Other buildings and improvements | 25-35 |  | 494 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Nuclear fuel |  |  | 3,460 |  |  | 1,898 |  |  | 1,562 |  |  | 1,562 |  |  | — |  |  | — |  |  | — |  |  | — |
Equipment | 3-55 |  | 2,141 |  |  | 467 |  |  | 565 |  |  | 399 |  |  | 166 |  |  | 384 |  |  | 178 |  |  | 141 |
Construction in process |  |  | 5,726 |  |  | 1,678 |  |  | 2,515 |  |  | 1,659 |  |  | 856 |  |  | 412 |  |  | 325 |  |  | 382 |
Other | 3-40 |  | 4,675 |  |  | 1,077 |  |  | 1,354 |  |  | 952 |  |  | 393 |  |  | 257 |  |  | 279 |  |  | 300 |
Total property, plant and equipment(a)(d) |  |  | 134,458 |  |  | 44,741 |  |  | 50,260 |  |  | 31,459 |  |  | 18,792 |  |  | 9,360 |  |  | 15,443 |  |  | 7,486 |
Total accumulated depreciation – regulated(b)(c)(d) |  |  | (41,079 | ) |  | (15,496 | ) |  | (16,398 | ) |  | (11,423 | ) |  | (4,968 | ) |  | (2,717 | ) |  | (4,914 | ) |  | (1,575 | )
Total accumulated depreciation – nonregulated(c)(d) |  |  | (2,047 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Generation facilities to be retired, net |  |  | 362 |  |  | — |  |  | 362 |  |  | 362 |  |  | — |  |  | — |  |  | — |  |  | — |
Total net property, plant and equipment |  |  | $ | 91,694 |  |  | $ | 29,245 |  |  | $ | 34,224 |  |  | $ | 20,398 |  |  | $ | 13,824 |  |  | $ | 6,643 |  |  | $ | 10,529 |  |  | $ | 5,911 |
(a) | Includes capitalized leases of $1,237 million, $135 million, $257 million, $137 million, $120 million, $73 million and $35 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio and Duke Energy Indiana, respectively, primarily within Plant – Regulated. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $131 million, $14 million and $117 million, respectively, of accumulated amortization of capitalized leases.
(b) | Includes $1,947 million, $1,087 million, $860 million and $860 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 capitalized leases of $61 million, $12 million, $20 million and $10 million at Duke Energy, Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana, respectively.
(d) | Includes gross property, plant and equipment cost of consolidated VIEs of $4,007 million and accumulated depreciation of consolidated VIEs of $698 million at Duke Energy.
| December 31, 2017
| Estimated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Useful |  |  |  | Duke |  |  |  |  | Duke |  |  | Duke |  |  | Duke |  |  | Duke |  |  |
| Life |  | Duke |  |  | Energy |  |  | Progress |  |  | Energy |  |  | Energy |  |  | Energy |  |  | Energy |  |  |
(in millions) | (Years) |  | Energy |  |  | Carolinas |  |  | Energy |  |  | Progress |  |  | Florida |  |  | Ohio |  |  | Indiana |  |  | Piedmont
Land |  |  | $ | 1,559 |  |  | $ | 467 |  |  | $ | 767 |  |  | $ | 424 |  |  | $ | 343 |  |  | $ | 134 |  |  | $ | 111 |  |  | $ | 41 |
Plant – Regulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric generation, distribution and transmission | 8-100 |  | 93,687 |  |  | 35,657 |  |  | 39,419 |  |  | 24,502 |  |  | 14,917 |  |  | 4,870 |  |  | 13,741 |  |  | — |
Natural gas transmission and distribution | 12-80 |  | 8,292 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,559 |  |  | — |  |  | 5,733 |
Other buildings and improvements | 15-100 |  | 1,936 |  |  | 647 |  |  | 652 |  |  | 316 |  |  | 336 |  |  | 243 |  |  | 240 |  |  | 154 |
Plant – Nonregulated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric generation, distribution and transmission(a) | 5-30 |  | 4,273 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Other buildings and improvements | 25-35 |  | 465 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Nuclear fuel |  |  | 3,680 |  |  | 2,120 |  |  | 1,560 |  |  | 1,560 |  |  | — |  |  | — |  |  | — |  |  | — |
Equipment | 3-55 |  | 2,122 |  |  | 402 |  |  | 555 |  |  | 416 |  |  | 139 |  |  | 348 |  |  | 169 |  |  | 266 |
Construction in process |  |  | 6,995 |  |  | 2,614 |  |  | 3,059 |  |  | 1,434 |  |  | 1,625 |  |  | 350 |  |  | 416 |  |  | 231 |
Other | 3-40 |  | 4,498 |  |  | 1,032 |  |  | 1,311 |  |  | 931 |  |  | 370 |  |  | 228 |  |  | 271 |  |  | 300 |
Total property, plant and equipment(b)(e) |  |  | 127,507 |  |  | 42,939 |  |  | 47,323 |  |  | 29,583 |  |  | 17,730 |  |  | 8,732 |  |  | 14,948 |  |  | 6,725 |
Total accumulated depreciation – regulated(c)(d)(e) |  |  | (39,742 | ) |  | (15,063 | ) |  | (15,857 | ) |  | (10,903 | ) |  | (4,947 | ) |  | (2,691 | ) |  | (4,662 | ) |  | (1,479 | )
Total accumulated depreciation – nonregulated(d)(e) |  |  | (1,795 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Generation facilities to be retired, net |  |  | 421 |  |  | — |  |  | 421 |  |  | 421 |  |  | — |  |  | — |  |  | — |  |  | — |
Total net property, plant and equipment |  |  | $ | 86,391 |  |  | $ | 27,876 |  |  | $ | 31,887 |  |  | $ | 19,101 |  |  | $ | 12,783 |  |  | $ | 6,041 |  |  | $ | 10,286 |  |  | $ | 5,246 |
(a) | Includes a pretax impairment charge of $58 million on a wholly owned non-contracted wind project. See discussion below.
(b) | Includes capitalized leases of $1,294 million, $81 million, $272 million, $139 million, $133 million, $80 million and $35 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio and Duke Energy Indiana, respectively, primarily within Plant – Regulated. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $114 million, $11 million and $103 million, respectively, of accumulated amortization of capitalized leases.
(c) | Includes $2,113 million, $1,283 million, $831 million and $831 million of accumulated amortization of nuclear fuel at Duke Energy, Duke Energy Carolinas, Progress Energy and Duke Energy Progress, respectively.
(d) | Includes accumulated amortization of capitalized leases of $57 million, $11 million, $21 million and $9 million at Duke Energy, Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana, respectively.
(e) | Includes gross property, plant and equipment cost of consolidated VIEs of $3,941 million and accumulated depreciation of consolidated VIEs of $598 million at Duke Energy.
Schedule Of Capitalized Interest | The following tables present capitalized interest, which includes the debt component of AFUDC.
| Years Ended December 31,
(in millions) | 2018 |  |  | 2017 |  |  | 2016 |
Duke Energy | $ | 161 |  |  | $ | 128 |  |  | $ | 100 |
Duke Energy Carolinas | 35 |  |  | 45 |  |  | 38 |
Progress Energy | 51 |  |  | 45 |  |  | 31 |
Duke Energy Progress | 26 |  |  | 21 |  |  | 17 |
Duke Energy Florida | 25 |  |  | 24 |  |  | 14 |
Duke Energy Ohio | 17 |  |  | 10 |  |  | 8 |
Duke Energy Indiana | 27 |  |  | 9 |  |  | 7 |
| Years Ended December 31, |  | Two Months Ended December 31, |  | Year Ended October 31,
(in millions) | 2018 |  | 2017 |  | 2016 |  | 2016
Piedmont | $ | 17 |  |  | $ | 12 |  |  | $ | 2 |  |  | $ | 12 |

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- Definition Tabular disclosure of public utility physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, deprecation expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84167750&loc=d3e42232-110370 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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