| 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 as of March 31, 2026: | | | | | | | | | | | | | | | | | | | | | | | | | Remaining Performance Obligations | | (in millions) | 2026 | 2027 | 2028 | 2029 | 2030 | Thereafter | Total | | Duke Energy Carolinas | $ | 9 | | $ | 12 | | $ | 12 | | $ | — | | $ | — | | $ | — | | $ | 33 | | | Progress Energy | 33 | | 43 | | 13 | | 13 | | 15 | | 29 | | 146 | | | Duke Energy Progress | 4 | | 6 | | 6 | | 6 | | 8 | | 14 | | 44 | | | Duke Energy Florida | 29 | | 37 | | 7 | | 7 | | 7 | | 15 | | 102 | | | | | | | | | | | Duke Energy Indiana | 3 | | 2 | | — | | — | | — | | — | | 5 | |
Estimated remaining performance obligations as of March 31, 2026, are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Remaining Performance Obligations | | (in millions) | 2026 | 2027 | 2028 | 2029 | 2030 | Thereafter | Total | | | | | | | | | | Piedmont | $ | 40 | | $ | 48 | | $ | 45 | | $ | 44 | | $ | 42 | | $ | 109 | | $ | 328 | |
|
| Disaggregation of Revenue |
Disaggregated revenues are presented as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2026 | | | 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 | $ | 3,619 | | $ | 1,160 | | $ | 1,738 | | $ | 875 | | $ | 863 | | $ | 302 | | $ | 420 | | $ | — | | Commercial | 2,030 | | 699 | | 911 | | 444 | | 467 | | 153 | | 267 | | — | | | Industrial | 827 | | 327 | | 264 | | 186 | | 78 | | 34 | | 204 | | — | | | Wholesale | 870 | | 166 | | 600 | | 525 | | 75 | | 60 | | 43 | | — | | | Other revenues | 330 | | 339 | | 296 | | 201 | | 95 | | 27 | | 11 | | — | | | Total Electric Utilities and Infrastructure revenue from contracts with customers | $ | 7,676 | | $ | 2,691 | | $ | 3,809 | | $ | 2,231 | | $ | 1,578 | | $ | 576 | | $ | 945 | | $ | — | | | | | | | | | | | | Gas Utilities and Infrastructure | | | | | | | | | | Residential | $ | 790 | | $ | — | | $ | — | | $ | — | | $ | — | | $ | 213 | | $ | — | | $ | 577 | | | Commercial | 374 | | — | | — | | — | | — | | 83 | | — | | 291 | | | Industrial | 62 | | — | | — | | — | | — | | 16 | | — | | 46 | | | Power Generation | — | | — | | — | | — | | — | | — | | — | | 9 | | | Other revenues | 88 | | — | | — | | — | | — | | 4 | | — | | 88 | | | Total Gas Utilities and Infrastructure revenue from contracts with customers | $ | 1,314 | | $ | — | | $ | — | | $ | — | | $ | — | | $ | 316 | | $ | — | | $ | 1,011 | | | | | | | | | | | | Other | | | | | | | | | | Revenue from contracts with customers | $ | 5 | | $ | — | | $ | — | | $ | — | | $ | — | | $ | — | | $ | — | | $ | — | | | Total Revenue from contracts with customers | $ | 8,995 | | $ | 2,691 | | $ | 3,809 | | $ | 2,231 | | $ | 1,578 | | $ | 892 | | $ | 945 | | $ | 1,011 | | | | | | | | | | | Other revenue sources(a) | $ | 183 | | $ | 75 | | $ | 116 | | $ | 70 | | $ | 43 | | $ | (13) | | $ | 21 | | $ | — | | Total operating revenues | $ | 9,178 | | $ | 2,766 | | $ | 3,925 | | $ | 2,301 | | $ | 1,621 | | $ | 879 | | $ | 966 | | $ | 1,011 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2025 | | | 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 | $ | 3,403 | | $ | 1,127 | | $ | 1,614 | | $ | 820 | | $ | 794 | | $ | 282 | | $ | 379 | | $ | — | | Commercial | 1,921 | | 701 | | 845 | | 415 | | 430 | | 142 | | 233 | | — | | | Industrial | 823 | | 334 | | 267 | | 193 | | 74 | | 33 | | 187 | | — | | | Wholesale | 670 | | 149 | | 443 | | 404 | | 39 | | 22 | | 57 | | — | | | Other revenues | 236 | | 180 | | 239 | | 163 | | 76 | | 18 | | (1) | | — | | | Total Electric Utilities and Infrastructure revenue from contracts with customers | $ | 7,053 | | $ | 2,491 | | $ | 3,408 | | $ | 1,995 | | $ | 1,413 | | $ | 497 | | $ | 855 | | $ | — | | | | | | | | | | | | Gas Utilities and Infrastructure | | | | | | | | | | Residential | $ | 706 | | $ | — | | $ | — | | $ | — | | $ | — | | $ | 186 | | $ | — | | $ | 520 | | | Commercial | 322 | | — | | — | | — | | — | | 70 | | — | | 252 | | | Industrial | 55 | | — | | — | | — | | — | | 16 | | — | | 39 | | | Power Generation | — | | — | | — | | — | | — | | — | | — | | 24 | | | Other revenues | 74 | | — | | — | | — | | — | | 6 | | — | | 53 | | | Total Gas Utilities and Infrastructure revenue from contracts with customers | $ | 1,157 | | $ | — | | $ | — | | $ | — | | $ | — | | $ | 278 | | $ | — | | $ | 888 | | | | | | | | | | | | Other | | | | | | | | | | Revenue from contracts with customers | $ | 8 | | $ | — | | $ | — | | $ | — | | $ | — | | $ | — | | $ | — | | $ | — | | | Total Revenue from contracts with customers | $ | 8,218 | | $ | 2,491 | | $ | 3,408 | | $ | 1,995 | | $ | 1,413 | | $ | 775 | | $ | 855 | | $ | 888 | | | | | | | | | | | Other revenue sources(a) | $ | 31 | | $ | 33 | | $ | 59 | | $ | 23 | | $ | 31 | | $ | (9) | | $ | 3 | | $ | (31) | | Total operating revenues | $ | 8,249 | | $ | 2,524 | | $ | 3,467 | | $ | 2,018 | | $ | 1,444 | | $ | 766 | | $ | 858 | | $ | 857 | |
(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, 2025 and 2026 | | | 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, 2024 | $ | 207 | | $ | 69 | | $ | 73 | | $ | 44 | | $ | 29 | | $ | 43 | | $ | 15 | | $ | 7 | | | Write-Offs | (29) | | (14) | | (15) | | (8) | | (7) | | — | | — | | — | | | Credit Loss Expense | 14 | | 5 | | 8 | | 5 | | 3 | | 1 | | — | | — | | | Other Adjustments | 9 | | 4 | | 1 | | 1 | | — | | 2 | | 2 | | — | | | Balance at March 31, 2025 | $ | 201 | | $ | 64 | | $ | 67 | | $ | 42 | | $ | 25 | | $ | 46 | | $ | 17 | | $ | 7 | | | | | | | | | | | | Balance at December 31, 2025 | $ | 194 | | $ | 55 | | $ | 65 | | $ | 38 | | $ | 27 | | $ | 51 | | $ | 15 | | $ | 6 | | | Write-Offs | (27) | | (7) | | (10) | | (6) | | (4) | | (7) | | (2) | | (1) | | | Credit Loss Expense | 35 | | 10 | | 10 | | 7 | | 3 | | 8 | | 3 | | 4 | | | Other Adjustments | (1) | | (1) | | — | | — | | — | | — | | — | | — | | | Balance at March 31, 2026 | $ | 201 | | $ | 57 | | $ | 65 | | $ | 39 | | $ | 26 | | $ | 52 | | $ | 16 | | $ | 9 | |
|