Welcome to our dedicated page for Duke Energy SEC filings (Ticker: DUK), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Duke Energy Corporation filings document the regulatory record of a Delaware energy holding company with electric and natural gas utility subsidiaries. Disclosures cover material events, operating and financial results, governance matters, shareholder voting, annual meeting proxy materials, and capital-structure matters tied to its regulated utility business.
The filing record identifies registered securities including DUK common stock, junior subordinated debentures, depositary shares representing Series A preferred stock, and senior notes listed on the New York Stock Exchange. SEC reports also reference major subsidiaries such as Duke Energy Carolinas, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont Natural Gas, along with disclosures on infrastructure investment, generation resources, regulatory matters and risk factors.
Duke Energy Corporation completed an underwritten offering of 40,000,000 equity units, including 5,000,000 units sold under the underwriters’ over-allotment option, each with a stated amount of $50, for an aggregate offering size of $2,000,000,000.
Each equity unit initially consists of a stock purchase contract obligating the holder to buy common stock for $50 in cash no later than August 1, 2029, plus 1/40 interests in the company’s 4.85% Remarketable Senior Notes due 2032 and 2036. Total annual distributions on corporate units are 7.75% of stated amount, combining 2.90% contract adjustment payments and 4.85% RSN interest. Estimated net proceeds are about $1,719 million (or $1,965 million if the over-allotment option is fully exercised). Duke Energy intends to list the corporate units on the NYSE under the symbol “DUKU”.
Duke Energy Corporation is issuing 35,000,000 Equity Units, each with a stated amount of $50, for total gross proceeds of $1.75 billion. Each Corporate Unit combines a stock purchase contract with undivided interests in Remarketable Senior Notes due 2032 and 2036, which initially bear 4.85% annual interest and are subject to future remarketing and rate reset.
Each purchase contract obligates holders on August 1, 2029 to buy Duke Energy common stock for $50, receiving between 0.3301 and 0.4126 shares depending on the 20‑day volume‑weighted average price relative to reference prices of $151.4693 and $121.1827. Holders receive quarterly 2.90% annual contract adjustment payments, which Duke may defer with a step‑up to 7.75% on deferred amounts, while interest on the RSNs cannot be deferred.
Duke expects net proceeds of about $1.719 billion (or $1.965 billion with full over‑allotment) to help redeem $500 million of 3.25% junior subordinated debentures due 2082, repay a portion of $2.1 billion of commercial paper (weighted average rate 3.91%), and for general corporate purposes.
Duke Energy Corporation is offering 35,000,000 Equity Units, each with a stated amount of $50, initially issued as Corporate Units composed of a stock purchase contract and undivided interests in two series of Remarketable Senior Notes due 2032 and 2036. The company may sell up to an additional 5,000,000 Equity Units to cover over-allotments. The Corporate Units are expected to be listed on the NYSE under the symbol “DUKU”, while the common stock trades under “DUK”.
Each purchase contract obligates holders to buy Duke Energy common stock on August 1, 2029 for $50, with the number of shares determined by a formula based on the 20‑day volume‑weighted average price before settlement, subject to anti‑dilution and fundamental change adjustments. Holders receive quarterly contract adjustment payments and interest on the RSNs; both RSN series are senior unsecured obligations, structurally subordinated to subsidiary liabilities. The RSNs may be remarketed, with proceeds funding Treasury portfolios that secure stock purchase obligations.
Net proceeds are expected to be used to redeem $500 million of 3.25% junior subordinated debentures due 2082, repay a portion of approximately $2.1 billion of commercial paper (weighted average rate 3.91%), and for general corporate purposes. Separately, subsidiary Duke Energy Progress filed a comprehensive North Carolina rate settlement featuring a 9.8% ROE, an approximately $17.8 billion retail rate base and about $3.4 billion of multi‑year capital, which remains subject to regulatory approval and is expected to trigger about $30 million of one‑time pre‑tax charges.
Duke Energy Progress, LLC reached a Comprehensive Revenue Requirement Settlement with the Public Staff – North Carolina Utilities Commission and other intervenors in its 2025 North Carolina rate case. The settlement is based on a 9.8% return on equity and a capital structure with a 53% equity component.
The historic North Carolina retail rate base is approximately $17.8 billion, and the multi-year rate plan will include about $3.4 billion of capital over a two-year period, with an annual refund mechanism tied to approved versus actual projects and capital placed in service. The settlement extends amortization of deferred coal ash costs from five to eight years and increases the flow-back of production tax credits to customers from $40 million annually in the original request to $120 million annually for 2027 and 2028.
The agreement includes a revised combined revenue requirement increase of $338 million over two years, equating to an average annual rate increase of 3.4%. One-time pre-tax accounting charges of about $30 million are expected in 2026 and are anticipated to be treated as special items excluded from adjusted earnings. The settlement remains subject to review and approval by the North Carolina Utilities Commission.
Duke Energy Corporation reported stronger results for the three and six months ended June 30, 2026. For the June quarter, total operating revenues were $7,592 million versus $7,508 million a year earlier, and net income available to common stockholders was $1,077 million, up from $971 million. Basic and diluted EPS from continuing operations were $1.38 compared with $1.25. For the first half of 2026, revenues were $16,770 million versus $15,757 million, with EPS of $3.35 versus $3.00.
Operating income for the first half increased to $4,774 million from $4,173 million despite higher depreciation, amortization and interest expense. Net cash provided by operating activities declined to $4,272 million from $5,040 million, while capital expenditures rose to $8,240 million. Duke Energy received $2,501 million of proceeds and recorded a $368 million gain from the sale of Piedmont's Tennessee business. Long-term debt increased to $82,242 million, and total equity rose to $56,863 million, reflecting higher retained earnings and the sale of a noncontrolling interest in Florida Progress.
Duke Energy Carolinas, LLC filed a Comprehensive Revenue Requirement Settlement with North Carolina stakeholders in its 2025 rate case and Performance Based Regulation application. The agreement provides for a 9.8% return on equity with a 53% equity capital structure and a retail rate base of about $25.7 billion for the historic base case. It also includes roughly $3.8 billion of capital in a multi-year rate plan with an annual refund mechanism and lowers the combined revised revenue requirement increase to $496 million, with net annualized customer rate increases ranging up to 7.4% across the plan.
The settlement framework includes evaluating a delay of Duke Energy Carolinas’ next base rate case filing until no earlier than November 1, 2028, contingent on the North Carolina Utilities Commission granting deferral of costs for certain new generating assets. Intervening parties agreed to pursue good faith settlement discussions in the Duke Energy Progress rate case to seek a substantially similar framework. The stipulations are expected to result in one-time pre-tax accounting charges of about $40 million in 2026, treated as special items and excluded from adjusted earnings.
Kesner Idalene Fay reported acquisition or exercise transactions in this Form 4 filing.
Duke Energy director Idalene Fay Kesner reported a routine equity compensation transaction. On July 2, 2026, she received 266 Director Savings Plan Restricted Stock Unit deferrals, each tied to Duke Energy common stock on a 1-for-1 basis at a reference value of $129.60 per unit.
These units are generally payable upon her termination of service and are held directly. After this award and an adjustment to include previously omitted units, her aggregate Director Savings Plan restricted stock unit holdings total 15,191 units, all representing deferred rights to receive common shares rather than an open-market purchase.
Duke Energy Carolinas, LLC reached a partial settlement with the Public Staff of the North Carolina Utilities Commission in its 2025 rate case and Performance Based Regulation application. The agreement covers certain operating and maintenance costs, project-specific capital spending, rider mechanisms, and accounting adjustments.
The stipulation will trigger a one-time pre-tax accounting charge of approximately $10 million in the second quarter of 2026. A reconciliation table in the attached overview shows the company’s requested revenue requirement increase, reflecting agreed adjustments, leading to a combined total request of $556 million and a net annualized customer rate increase of 8.3% across the historic base case and Multi-Year Rate Plan years.
Key items remain unsettled and will be litigated at hearing, including return on equity, capital structure, certain capital investments such as the overall Multi-Year Rate Plan capital program, depreciation and decommissioning, storm-related cost recovery, and performance incentive mechanisms.
Duke Energy EVP and Chief Customer Officer Alexander J. Weintraub reported routine plan-related movements in his Duke Energy interests. A discretionary transaction under Rule 16b-3(f) involved 394 shares of common stock held indirectly through a 401(k) plan at $123.81 per share, bringing his indirect 401(k) holdings to 3,011 shares.
He also reported a discretionary transaction in the Executive Savings Plan, showing 3,265 phantom stock units at $124.56 per unit, each economically equivalent to one share of Duke Energy common stock and generally settled six months after termination of service. Separately, he holds 12,187 shares of common stock directly, with no open-market purchases or sales indicated.
Duke Energy director and chair Theodore F. Craver Jr. reported a bona fide gift of 2,402 shares of Common Stock on May 18, 2026. The filing describes this as a transfer from directly held shares to a joint trust, so it does not reflect a market sale.
After the transfer, Craver reports 19,193 Duke Energy shares as directly owned, which now includes shares held through the joint trust. The transaction is a non-cash internal reallocation of ownership rather than a change in his overall economic exposure to the stock.