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Organization and Basis of Presentation | 9 Months Ended
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Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Organization and Basis of Presentation | ORGANIZATION AND BASIS OF PRESENTATION BASIS OF PRESENTATION These Condensed Consolidated Financial Statements have been prepared in accordance with GAAP for interim financial information and with the instructions to Form 10-Q and Regulation S-X. Accordingly, these Condensed Consolidated Financial Statements do not include all information and notes required by GAAP for annual financial statements and should be read in conjunction with the Consolidated Financial Statements in Duke Energy's Annual Report on Form 10-K for the year ended December 31, 2024. The information in these combined notes relates to each of the Duke Energy Registrants as noted in the Index to Combined Notes to Condensed Consolidated Financial Statements. However, none of the registrants make any representations as to information related solely to Duke Energy or the subsidiaries of Duke Energy other than itself. These Condensed Consolidated Financial Statements, in the opinion of the respective companies’ management, reflect all normal recurring adjustments necessary to fairly present the financial position and results of operations of each of the Duke Energy Registrants. Amounts reported in Duke Energy’s interim Condensed Consolidated Statements of Operations and each of the Subsidiary Registrants’ interim Condensed Consolidated Statements of Operations and Comprehensive Income are not necessarily indicative of amounts expected for the respective annual periods due to effects of seasonal temperature variations on energy consumption, regulatory rulings, timing of maintenance on electric generating units, changes in mark-to-market valuations, changing commodity prices and other factors. In preparing financial statements that conform to GAAP, management must make estimates and assumptions that affect the reported amounts of assets and liabilities, the reported amounts of revenues and expenses and the disclosure of contingent assets and liabilities at the date of the financial statements. Actual results could differ from those estimates. BASIS OF CONSOLIDATION These Condensed Consolidated Financial Statements include, after eliminating intercompany transactions and balances, the accounts of the Duke Energy Registrants and subsidiaries or VIEs where the respective Duke Energy Registrants have control. See Note 13 for additional information on VIEs. These Condensed Consolidated Financial Statements also reflect the Duke Energy Registrants’ proportionate share of certain jointly owned generation and transmission facilities. Discontinued Operations Duke Energy has elected to present cash flows of discontinued operations combined with cash flows of continuing operations. For all periods presented, unless otherwise noted, disclosures related to balance sheet activity exclude amounts presented as held for sale and disclosures related to income statement activity exclude amounts related to discontinued operations. A portion of NCI on Duke Energy's Condensed Consolidated Balance Sheet as of December 31, 2024, relates to discontinued operations. See Note 2 for discussion of discontinued operations related to the Commercial Renewables Disposal Groups. CASH, CASH EQUIVALENTS AND RESTRICTED CASH Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress and Duke Energy Florida have restricted cash balances related primarily to collateral assets, escrow deposits and VIEs. See Notes 11 and 13 for additional information. Restricted cash amounts are included in Other within Current Assets and Other within Noncurrent Assets on the Condensed Consolidated Balance Sheets. The following table presents the components of cash, cash equivalents and restricted cash included on the Condensed Consolidated Balance Sheets.
| September 30, 2025 |  | December 31, 2024
|  | Duke |  | Duke | Duke |  |  | Duke |  | Duke | Duke
| Duke | Energy | Progress | Energy | Energy |  | Duke | Energy | Progress | Energy | Energy
| Energy | Carolinas | Energy | Progress | Florida |  | Energy | Carolinas | Energy | Progress | Florida
Current Assets |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 688 |  | $ | 44 |  | $ | 102 |  | $ | 55 |  | $ | 30 |  |  | $ | 314 |  | $ | 6 |  | $ | 73 |  | $ | 24 |  | $ | 33 |
Other | 38 |  | 5 |  | 32 |  | 20 |  | 12 |  |  | 84 |  | 9 |  | 76 |  | 40 |  | 35 |
Other Noncurrent Assets |  |  |  |  |  |  |  |  |  |  |
Other | 13 |  | — |  | — |  | — |  | — |  |  | 20 |  | 1 |  | 11 |  | 5 |  | 7 |
Total cash, cash equivalents and restricted cash | $ | 739 |  | $ | 49 |  | $ | 134 |  | $ | 75 |  | $ | 42 |  |  | $ | 418 |  | $ | 16 |  | $ | 160 |  | $ | 69 |  | $ | 75 |
INVENTORY Provisions for inventory write-offs were not material at September 30, 2025, and December 31, 2024. The components of inventory are presented in the tables below.
| September 30, 2025
|  |  | Duke |  |  |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Duke |  | Energy |  | Progress |  | Energy |  | Energy |  | Energy |  | Energy |  |
(in millions) | Energy |  | Carolinas |  | Energy |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Materials and supplies | $ | 3,482 |  |  | $ | 1,172 |  |  | $ | 1,708 |  |  | $ | 1,106 |  |  | $ | 602 |  |  | $ | 153 |  |  | $ | 402 |  |  | $ | 13 |
Coal | 718 |  |  | 328 |  |  | 249 |  |  | 170 |  |  | 79 |  |  | 18 |  |  | 123 |  |  | — |
Natural gas, oil and other fuel | 294 |  |  | 45 |  |  | 194 |  |  | 104 |  |  | 90 |  |  | 11 |  |  | 2 |  |  | 41 |
Total inventory | $ | 4,494 |  |  | $ | 1,545 |  |  | $ | 2,151 |  |  | $ | 1,380 |  |  | $ | 771 |  |  | $ | 182 |  |  | $ | 527 |  |  | $ | 54 |
| December 31, 2024
|  |  | Duke |  |  |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Duke |  | Energy |  | Progress |  | Energy |  | Energy |  | Energy |  | Energy |  |
(in millions) | Energy |  | Carolinas |  | Energy |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Materials and supplies | $ | 3,386 |  |  | $ | 1,150 |  |  | $ | 1,649 |  |  | $ | 1,074 |  |  | $ | 576 |  |  | $ | 149 |  |  | $ | 389 |  |  | $ | 11 |
Coal | 801 |  |  | 341 |  |  | 241 |  |  | 164 |  |  | 77 |  |  | 23 |  |  | 196 |  |  | — |
Natural gas, oil and other fuel | 309 |  |  | 45 |  |  | 196 |  |  | 103 |  |  | 92 |  |  | 11 |  |  | 1 |  |  | 55 |
Total inventory | $ | 4,496 |  |  | $ | 1,536 |  |  | $ | 2,086 |  |  | $ | 1,341 |  |  | $ | 745 |  |  | $ | 183 |  |  | $ | 586 |  |  | $ | 66 |
OTHER NONCURRENT ASSETS Duke Energy, through a nonregulated subsidiary, was the winner of the Carolina Long Bay offshore wind auction in May 2022. The cost of the rights acquired from the auction, totaling $150 million, is recorded in Other within Other noncurrent assets on Duke Energy's Condensed Consolidated Balance Sheets as of September 30, 2025, and December 31, 2024. ACCOUNTS PAYABLE Duke Energy has a voluntary supply chain finance program (the “program”) that allows Duke Energy suppliers, at their sole discretion, to sell their receivables from Duke Energy to a global financial institution at a rate that leverages Duke Energy’s credit rating and which may result in favorable terms compared to the rate available to the supplier on their own credit rating. Suppliers participating in the program determine at their sole discretion which invoices they will sell to the financial institution. Suppliers’ decisions on which invoices are sold do not impact Duke Energy’s payment terms, which are based on commercial terms negotiated between Duke Energy and the supplier regardless of program participation. The commercial terms negotiated between Duke Energy and its suppliers are consistent regardless of whether the supplier elects to participate in the program. Duke Energy does not issue any guarantees with respect to the program and does not participate in negotiations between suppliers and the financial institution. Duke Energy does not have an economic interest in the supplier’s decision to participate in the program and receives no interest, fees or other benefit from the financial institution based on supplier participation in the program. The following table presents the amounts included within Accounts payable on the Condensed Consolidated Balance Sheets sold to the financial institution by our suppliers and the supplier invoices sold to the financial institution under the program included within Net cash provided by operating activities on the Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2025, and 2024.
| Three Months Ended September 30, 2024 and 2025
| Duke |  |  |  |  |  |  |
(in millions) | Energy |  |  |  |  |  |  | Piedmont
Confirmed obligations outstanding at June 30, 2024 | $ | 28 |  |  |  |  |  |  |  | $ | 28 |
Invoices confirmed during the period | 26 |  |  |  |  |  |  |  | 25 |
Confirmed invoices paid during the period | (28) |  |  |  |  |  |  |  | (28) |
Confirmed obligations outstanding at September 30, 2024 | $ | 26 |  |  |  |  |  |  |  | $ | 25 |
Confirmed obligations outstanding at June 30, 2025 | $ | 12 |  |  |  |  |  |  |  | $ | 12 |
Invoices confirmed during the period | 15 |  |  |  |  |  |  |  | 15 |
Confirmed invoices paid during the period | (14) |  |  |  |  |  |  |  | (14) |
Confirmed obligations outstanding at September 30, 2025 | $ | 13 |  |  |  |  |  |  |  | $ | 13 |
| Nine Months Ended September 30, 2024 and 2025
| Duke |  |  |  |  |  |  |
(in millions) | Energy |  |  |  |  |  |  | Piedmont
Confirmed obligations outstanding at December 31, 2023 | $ | 50 |  |  |  |  |  |  |  | $ | 47 |
Invoices confirmed during the period | 146 |  |  |  |  |  |  |  | 144 |
Confirmed invoices paid during the period | (170) |  |  |  |  |  |  |  | (166) |
Confirmed obligations outstanding at September 30, 2024 | $ | 26 |  |  |  |  |  |  |  | $ | 25 |
Confirmed obligations outstanding at December 31, 2024 | $ | 13 |  |  |  |  |  |  |  | $ | 12 |
Invoices confirmed during the period | 47 |  |  |  |  |  |  |  | 45 |
Confirmed invoices paid during the period | (47) |  |  |  |  |  |  |  | (44) |
Confirmed obligations outstanding at September 30, 2025 | $ | 13 |  |  |  |  |  |  |  | $ | 13 |
NEW ACCOUNTING STANDARDS The following new accounting standards have been issued but not yet adopted by the Duke Energy Registrants as of September 30, 2025. Improvements to Income Tax Disclosures. In December 2023, the Financial Accounting Standards Board (FASB) issued new accounting guidance to enhance income tax disclosures by requiring consistent categorization and additional disaggregation of information in the rate reconciliation, as well as an annual disclosure of income taxes paid information disaggregated by jurisdiction. The Duke Energy Registrants plan to adopt this guidance on a prospective basis as of January 1, 2025, in the Company's 2025 Form 10-K. Duke Energy expects this guidance to impact the financial statement disclosures with no impact on the results of operations, cash flows or financial condition. Disaggregation of Income Statement Expenses. In November 2024, the FASB issued new accounting guidance that requires disclosure of disaggregated information for certain cost and expense categories. This new guidance does not change the expense captions presented on the Condensed Consolidated Statements of Operations but requires disaggregation of certain expense captions into specified categories in disclosures within the notes to the financial statements. For Duke Energy Registrants, the amendments will be effective for fiscal years beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027, with early adoption permitted. Duke Energy is currently assessing implementation of this guidance on the financial statement disclosures and expects it will have no impact on the results of operations, cash flows or financial condition.

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