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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction | Supplemental requirements contracts that include contracted blocks of energy and capacity at contractually fixed prices have the following estimated remaining performance obligations:
| Remaining Performance Obligations
(in millions) | 2024 | 2025 | 2026 | 2027 | 2028 | Thereafter | Total
Progress Energy | $ | 52 |  | $ | 30 |  | $ | 7 |  | $ | 7 |  | $ | 7 |  | $ | 29 |  | $ | 132 |
Duke Energy Progress | 6 |  | — |  | — |  | — |  | — |  | — |  | 6 |
Duke Energy Florida | 46 |  | 30 |  | 7 |  | 7 |  | 7 |  | 29 |  | 126 |
Duke Energy Indiana | 12 |  | 17 |  | 17 |  | 15 |  | 5 |  | — |  | 66 |
Estimated remaining performance obligations are as follows:
| Remaining Performance Obligations
(in millions) | 2024 | 2025 | 2026 | 2027 | 2028 | Thereafter | Total
Piedmont | $ | 49 |  | $ | 61 |  | $ | 51 |  | $ | 49 |  | $ | 46 |  | $ | 195 |  | $ | 451 |
Disaggregation of Revenue | Disaggregated revenues are presented as follows:
| Three Months Ended March 31, 2024
|  | Duke |  | Duke | Duke | Duke | Duke |
(in millions) | Duke | Energy | Progress | Energy | Energy | Energy | Energy |
By market or type of customer | Energy | Carolinas | Energy | Progress | Florida | Ohio | Indiana | Piedmont
Electric Utilities and Infrastructure |  |  |  |  |  |  |  |
Residential | $ | 3,115 |  | $ | 1,058 |  | $ | 1,517 |  | $ | 742 |  | $ | 775 |  | $ | 253 |  | $ | 287 |  | $ | — |
General | 1,934 |  | 717 |  | 866 |  | 422 |  | 444 |  | 152 |  | 201 |  | — |
Industrial | 822 |  | 340 |  | 266 |  | 177 |  | 89 |  | 32 |  | 183 |  | — |
Wholesale | 554 |  | 138 |  | 355 |  | 326 |  | 29 |  | 14 |  | 48 |  | — |
Other revenues | 253 |  | 99 |  | 149 |  | 78 |  | 71 |  | 22 |  | 34 |  | — |
Total Electric Utilities and Infrastructure revenue from contracts with customers | $ | 6,678 |  | $ | 2,352 |  | $ | 3,153 |  | $ | 1,745 |  | $ | 1,408 |  | $ | 473 |  | $ | 753 |  | $ | — |
Gas Utilities and Infrastructure |  |  |  |  |  |  |  |
Residential | $ | 520 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 147 |  | $ | — |  | $ | 373 |
Commercial | 240 |  | — |  | — |  | — |  | — |  | 57 |  | — |  | 183 |
Industrial | 47 |  | — |  | — |  | — |  | — |  | 11 |  | — |  | 38 |
Power Generation | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 8 |
Other revenues | 40 |  | — |  | — |  | — |  | — |  | 5 |  | — |  | 35 |
Total Gas Utilities and Infrastructure revenue from contracts with customers | $ | 847 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 220 |  | $ | — |  | $ | 637 |
Other |  |  |  |  |  |  |  |
Revenue from contracts with customers | $ | 7 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |
Total revenue from contracts with customers | $ | 7,532 |  | $ | 2,352 |  | $ | 3,153 |  | $ | 1,745 |  | $ | 1,408 |  | $ | 693 |  | $ | 753 |  | $ | 637 |
Other revenue sources(a) | $ | 139 |  | $ | 55 |  | $ | 75 |  | $ | 43 |  | $ | 28 |  | $ | (15) |  | $ | 6 |  | $ | 39 |
Total revenues | $ | 7,671 |  | $ | 2,407 |  | $ | 3,228 |  | $ | 1,788 |  | $ | 1,436 |  | $ | 678 |  | $ | 759 |  | $ | 676 |
| Three Months Ended March 31, 2023
|  | Duke |  | Duke | Duke | Duke | Duke |
(in millions) | Duke | Energy | Progress | Energy | Energy | Energy | Energy |
By market or type of customer | Energy | Carolinas | Energy | Progress | Florida | Ohio | Indiana | Piedmont
Electric Utilities and Infrastructure |  |  |  |  |  |  |  |
Residential | $ | 2,851 |  | $ | 824 |  | $ | 1,421 |  | $ | 607 |  | $ | 814 |  | $ | 234 |  | $ | 372 |  | $ | — |
General | 1,831 |  | 588 |  | 841 |  | 358 |  | 483 |  | 135 |  | 270 |  | — |
Industrial | 891 |  | 296 |  | 272 |  | 177 |  | 95 |  | 71 |  | 251 |  | — |
Wholesale | 550 |  | 135 |  | 348 |  | 319 |  | 29 |  | 9 |  | 58 |  | — |
Other revenues | 144 |  | 78 |  | 121 |  | 68 |  | 53 |  | 27 |  | 15 |  | — |
Total Electric Utilities and Infrastructure revenue from contracts with customers | $ | 6,267 |  | $ | 1,921 |  | $ | 3,003 |  | $ | 1,529 |  | $ | 1,474 |  | $ | 476 |  | $ | 966 |  | $ | — |
Gas Utilities and Infrastructure |  |  |  |  |  |  |  |
Residential | $ | 507 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 162 |  | $ | — |  | $ | 345 |
Commercial | 233 |  | — |  | — |  | — |  | — |  | 58 |  | — |  | 175 |
Industrial | 47 |  | — |  | — |  | — |  | — |  | 9 |  | — |  | 37 |
Power Generation | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 23 |
Other revenues | 40 |  | — |  | — |  | — |  | — |  | 6 |  | — |  | 19 |
Total Gas Utilities and Infrastructure revenue from contracts with customers | $ | 827 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 235 |  | $ | — |  | $ | 599 |
Other |  |  |  |  |  |  |  |
Revenue from contracts with customers | $ | 7 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |
Total revenue from contracts with customers | $ | 7,101 |  | $ | 1,921 |  | $ | 3,003 |  | $ | 1,529 |  | $ | 1,474 |  | $ | 711 |  | $ | 966 |  | $ | 599 |
Other revenue sources(a) | $ | 175 |  | $ | 13 |  | $ | 45 |  | $ | 4 |  | $ | 36 |  | $ | (2) |  | $ | 9 |  | $ | 76 |
Total revenues | $ | 7,276 |  | $ | 1,934 |  | $ | 3,048 |  | $ | 1,533 |  | $ | 1,510 |  | $ | 709 |  | $ | 975 |  | $ | 675 |
(a)Other revenue sources include revenues from leases, derivatives and alternative revenue programs that are not considered revenues from contracts with customers. Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over or under collection of related revenues.
Reserve for Credit Losses for Trade and Other Receivables | The following table presents the reserve for credit losses for trade and other receivables.
| Three Months Ended March 31, 2023 and 2024
|  | Duke |  | Duke | Duke | Duke | Duke |
| Duke | Energy | Progress | Energy | Energy | Energy | Energy |
(in millions) | Energy | Carolinas | Energy | Progress | Florida | Ohio | Indiana | Piedmont
Balance at December 31, 2022 | $ | 216 |  | $ | 68 |  | $ | 81 |  | $ | 44 |  | $ | 36 |  | $ | 6 |  | $ | 4 |  | $ | 14 |
Write-Offs | (42) |  | (20) |  | (22) |  | (9) |  | (12) |  | — |  | — |  | (1) |
Credit Loss Expense | 16 |  | 7 |  | 6 |  | 1 |  | 5 |  | 1 |  | — |  | 1 |
Other Adjustments | 24 |  | 15 |  | 10 |  | 9 |  | 1 |  | — |  | — |  | — |
Balance at March 31, 2023 | $ | 214 |  | $ | 70 |  | $ | 75 |  | $ | 45 |  | $ | 30 |  | $ | 7 |  | $ | 4 |  | $ | 14 |
Balance at December 31, 2023 | $ | 205 |  | $ | 56 |  | $ | 74 |  | $ | 44 |  | $ | 31 |  | $ | 9 |  | $ | 5 |  | $ | 11 |
Write-Offs | (32) |  | (12) |  | (16) |  | (7) |  | (9) |  | — |  | — |  | (1) |
Credit Loss Expense | 10 |  | 7 |  | 9 |  | 4 |  | 5 |  | 1 |  | 2 |  | 2 |
Other Adjustments | 21 |  | 11 |  | 6 |  | 6 |  | — |  | 31 |  | 9 |  | — |
Balance at March 31, 2024 | $ | 204 |  | $ | 62 |  | $ | 73 |  | $ | 47 |  | $ | 27 |  | $ | 41 |  | $ | 16 |  | $ | 12 |
Aging of Trade Receivables | The aging of trade receivables is presented in the table below.
| March 31, 2024
|  | Duke |  | Duke | Duke | Duke | Duke |
| Duke | Energy | Progress | Energy | Energy | Energy | Energy |
(in millions) | Energy | Carolinas | Energy | Progress | Florida | Ohio | Indiana | Piedmont
Unbilled Revenue(a)(b) | $ | 1,066 |  | $ | 361 |  | $ | 361 |  | $ | 250 |  | $ | 111 |  | $ | 113 |  | $ | 174 |  | $ | 57 |
Current | 2,301 |  | 706 |  | 967 |  | 586 |  | 380 |  | 215 |  | 192 |  | 208 |
1-31 days past due | 265 |  | 82 |  | 85 |  | 50 |  | 35 |  | 33 |  | 39 |  | 25 |
31-61 days past due | 95 |  | 33 |  | 33 |  | 24 |  | 9 |  | 15 |  | 7 |  | 7 |
61-91 days past due | 46 |  | 18 |  | 11 |  | 8 |  | 3 |  | 7 |  | 3 |  | 7 |
91+ days past due | 215 |  | 64 |  | 57 |  | 21 |  | 36 |  | 67 |  | 23 |  | 4 |
Deferred Payment Arrangements(c) | 115 |  | 40 |  | 39 |  | 29 |  | 10 |  | 28 |  | 7 |  | 1 |
Trade and Other Receivables | $ | 4,103 |  | $ | 1,304 |  | $ | 1,553 |  | $ | 968 |  | $ | 584 |  | $ | 478 |  | $ | 445 |  | $ | 309 |
| December 31, 2023
|  | Duke |  | Duke | Duke | Duke | Duke |
| Duke | Energy | Progress | Energy | Energy | Energy | Energy |
(in millions) | Energy | Carolinas | Energy | Progress | Florida | Ohio | Indiana | Piedmont
Unbilled Revenue(a)(d) | $ | 1,273 |  | $ | 399 |  | $ | 401 |  | $ | 280 |  | $ | 121 |  | $ | 4 |  | $ | 22 |  | $ | 108 |
Current | 2,306 |  | 680 |  | 1,009 |  | 612 |  | 395 |  | 48 |  | 87 |  | 199 |
1-31 days past due | 275 |  | 97 |  | 91 |  | 41 |  | 50 |  | 12 |  | 14 |  | 9 |
31-61 days past due | 78 |  | 20 |  | 34 |  | 23 |  | 11 |  | 3 |  | 7 |  | 2 |
61-91 days past due | 47 |  | 15 |  | 17 |  | 10 |  | 7 |  | 2 |  | 4 |  | 1 |
91+ days past due | 253 |  | 67 |  | 69 |  | 24 |  | 45 |  | 46 |  | 27 |  | 3 |
Deferred Payment Arrangements(c) | 104 |  | 34 |  | 43 |  | 26 |  | 17 |  | 6 |  | — |  | — |
Trade and Other Receivables | $ | 4,336 |  | $ | 1,312 |  | $ | 1,664 |  | $ | 1,016 |  | $ | 646 |  | $ | 121 |  | $ | 161 |  | $ | 322 |
(a)Unbilled revenues are recognized by applying customer billing rates to the estimated volumes of energy or natural gas delivered but not yet billed and are included within Receivables and Receivables of VIEs on the Condensed Consolidated Balance Sheets. (b)In March 2024, Duke Energy repaid all outstanding CRC borrowings and terminated the related CRC credit facility. Duke Energy's related restricted receivables outstanding at CRC at the time of termination totaled $682 million, consisting of $316 million and $366 million of restricted receivables that were transferred back to Duke Energy Indiana and Duke Energy Ohio, respectively, to be collected and reported as Receivables on the Condensed Consolidated Balance Sheets. See Note 12 for further information. (c)Due to ongoing financial hardships impacting customers, Duke Energy has permitted customers to defer payment of past-due amounts through installment payment plans. (d)Duke Energy Ohio and Duke Energy Indiana sold, on a revolving basis, nearly all of their retail accounts receivable, including receivables for unbilled revenues, to an affiliate, CRC, and accounted for the transfers of receivables as sales. Accordingly, the receivables sold were not reflected on the Condensed Consolidated Balance Sheets of Duke Energy Ohio and Duke Energy Indiana. These receivables for unbilled revenues are $141 million and $197 million for Duke Energy Ohio and Duke Energy Indiana, respectively, as of December 31, 2023.

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