Results of Operations and Financial Condition. On October 30, 2026, Dominion Energy, Inc. issued a press release announcing preliminary unaudited earnings for the three months ended September 30, 2026. The press release and related preliminary earnings tables are furnished with this Form 8-K as Exhibit 99.

and Exhibits 99.1 and 99.2 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act except as expressly set forth by specific reference in such filing. Item 9.01 | Financial Statements and Exhibits. Exhibits 99.1 | Joint Press…

Other Events. As previously disclosed, on May 15, 2026, Dominion Energy, Inc. (Dominion Energy) entered into an Agreement and Plan of Merger (the Merger Agreement) with NextEra Energy, Inc. (NextEra Energy), WG Development Corp., a wholly owned subsidiary of NextEra Energy (Merger Sub Corp), and CS Holdco, LLC, a wholly owned subsidiary of NextEra Energy (LLC Sub). Pursuant to the terms and subject to the conditions in the Merger Agreement and the related plans of merger, (i) Merger Sub Corp…

Results of Operations and Financial Condition. On July 31, 2026, Dominion Energy, Inc. issued a press release announcing preliminary unaudited earnings for the three months ended June 30, 2026. The press release and related preliminary earnings tables are furnished with this Form 8-K as Exhibit 99.

Other Events. On June 3, 2026, Dominion Energy, Inc. (the Company) entered into an underwriting agreement (the Underwriting Agreement) with Citigroup Global Markets Inc., Deutsche Bank Securities Inc., PNC Capital Markets LLC and U.S. Bancorp Investments, Inc., as Representatives for the underwriters named in the Underwriting Agreement, for the sale of $825,000,000 aggregate principal amount of the Company’s 2026 Series A 5.35% Senior Notes due 2036 (Series A Senior Notes). The Series A Senio…

Other Events. As previously announced, on May 15, 2026, Dominion Energy, Inc. (Dominion Energy) entered into an Agreement and Plan of Merger (the Merger Agreement) with NextEra Energy, Inc. (NextEra Energy), WG Development Corp., a wholly owned subsidiary of NextEra Energy (Merger Sub Corp), and CS Holdco, LLC, a wholly owned subsidiary of NextEra Energy (LLC Sub). Pursuant to the terms and subject to the conditions in the Merger Agreement and the related plans of merger, (i) Merger Sub Corp…

Entry into a Material Definitive Agreement. On May 15, 2026, Dominion Energy, Inc. (Dominion Energy) entered into an Agreement and Plan of Merger (the Merger Agreement) with NextEra Energy, Inc. (NextEra Energy), WG Development Corp., a wholly owned subsidiary of NextEra Energy (Merger Sub Corp), and CS Holdco, LLC, a wholly owned subsidiary of NextEra Energy (LLC Sub). Pursuant to the terms and subject to the conditions in the Merger Agreement and the related plans of merger, (i) Merger Sub…

Results of Operations and Financial Condition. On May 1, 2026, Dominion Energy, Inc. issued a press release announcing preliminary unaudited earnings for the three months ended March 31, 2026. The press release and related preliminary earnings tables are furnished with this Form 8-K as Exhibit 99.

Entry into a Material Definitive Agreement. On April 7, 2026, Dominion Energy, Inc. (Dominion Energy) entered into an amendment to its existing Sustainability Revolving Credit Agreement, dated as of June 9, 2021 (the Sustainability Credit Agreement), with Sumitomo Mitsui Banking Corporation, as administrative agent, and the other agents and lenders party thereto. The amendment, among other changes, extends the maturity date of the Sustainability Credit Agreement to April 7, 2029 and provides…

Other Events. Effective April 8, 2026, Dominion Energy, Virginia Electric and Power Company and Dominion Energy South Carolina, Inc., as borrowers under the Sixth Amended and Restated Revolving Credit Agreement, dated April 8, 2025 (the Core Revolving Credit Agreement), with JP Morgan Chase Bank, N.A., as administrative agent, and the other agents and lenders party thereto, received the consent of the lenders to extend the maturity date of the Core Revolving Credit Agreement to April 8, 2031.

Results of Operations and Financial Condition. On February 23, 2026, Dominion Energy, Inc. issued a press release announcing preliminary unaudited earnings for the three and twelve months ended December 31, 2025. The press release and related preliminary earnings tables are furnished with this Form 8-K as Exhibit 99.

The filing describes a compensatory arrangement and does not involve any changes in management or board positions.

Other Events. On January 16, 2026, the U.S. District Court for the Eastern District of Virginia granted Virginia Power’s request for a preliminary injunction in response to the BOEM Order to OSW Project LLC directing it to suspend all ongoing activities related to the CVOW project for 90 days. Work on CVOW will resume while Virginia Power’s lawsuit challenging the agency’s action proceeds in the courts. Virginia Power, a subsidiary of the Company, holds 50% of the membership interests of OSW…

Results of Operations and Financial Condition. On October 31, 2025, Dominion Energy, Inc. issued a press release announcing preliminary unaudited earnings for the three months ended September 30, 2025. The press release and related preliminary earnings tables are furnished with this Form 8-K as Exhibit 99.

Other Events. On October 28, 2025, Dominion Energy, Inc. (the Company) delivered notice pursuant to its existing sales agency agreements, dated February 27, 2025, to increase the maximum authorized amount by such amount as is necessary to make available $1.8 billion in shares of Company common stock for sales under the sales agency agreements. The existing sales agency agreements were entered into with each of (i) Barclays Capital Inc., as sales agent and forward seller, and Barclays Bank PLC…

Results of Operations and Financial Condition. On August 1, 2025, Dominion Energy, Inc. issued a press release announcing preliminary unaudited earnings for the three months ended June 30, 2025. The press release and related preliminary earnings tables are furnished with this Form 8-K as Exhibit 99.

Chief Accounting Officer — Michele L. Cardiff: The filing discloses the planned retirement of the Chief Accounting Officer with a named internal successor, representing an orderly succession rather than a sudden loss of executive talent.

Director — Paul M. Dabbar: The resignation of a board director to accept a government position is a standard departure event with low materiality and no negative signal regarding company performance.

Director — Jeffrey J. Lyash: The filing discloses the election of a new independent director to the board, which is a routine governance event and not a departure of a sitting executive.

Other Events. On May 6, 2025, Dominion Energy, Inc. (the Company) entered into an underwriting agreement (the Underwriting Agreement) with BofA Securities, Inc., J.P. Morgan Securities LLC and Wells Fargo Securities, LLC, as Representatives for the underwriters named in the Underwriting Agreement, for the sale of $1,000,000,000 aggregate principal amount of the Company’s 2025 Series C 4.60% Senior Notes due 2028 (Series C Senior Notes). The Series C Senior Notes are Senior Debt Securities tha…

Results of Operations and Financial Condition. On May 1, 2025, Dominion Energy, Inc. issued a press release announcing preliminary unaudited earnings for the three months ended March 31, 2025. The press release and related preliminary earnings tables are furnished with this Form 8-K as Exhibit 99.

Entry into a Material Definitive Agreement. On April 8, 2025, Dominion Energy, Inc. (Dominion Energy) and two of its wholly-owned subsidiaries, Virginia Electric and Power Company (Virginia Power) and Dominion Energy South Carolina, Inc. (DESC), entered into a $7,000,000,000 Sixth Amended and Restated Revolving Credit Agreement (the Core Credit Facility) with JPMorgan Chase Bank, N.A. (JPMorgan), as Administrative Agent, Mizuho Bank, LTD. (Mizuho), Bank of America, N.A., The Bank of Nova Scot…

Other Events. On March 6, 2025, Dominion Energy, Inc. (the Company) entered into an underwriting agreement (the Underwriting Agreement) with MUFG Securities Americas Inc., Scotia Capital (USA) Inc., SMBC Nikko Securities America, Inc., Truist Securities, Inc. and Wells Fargo Securities, LLC , as Representatives for the underwriters named in the Underwriting Agreement, for the sale of (i) $800,000,000 aggregate principal amount of the Company’s 2025 Series A 5.00% Senior Notes due 2030 (Series…

Other Events. On February 27, 2025, Dominion Energy, Inc. (the Company) entered into twelve separate sales agency agreements (the Sales Agency Agreements) with each of (i) Barclays Capital Inc., as sales agent and forward seller, and Barclays Bank PLC, as forward purchaser; (ii) BMO Capital Markets Corp., as sales agent and forward seller, and Bank of Montreal, as forward purchaser; (iii) BofA Securities, Inc., as sales agent and forward seller, and Bank of America, N.A., as forward purchaser…

Results of Operations and Financial Condition. On February 12, 2025, Dominion Energy, Inc. issued a press release announcing preliminary unaudited earnings for the three and twelve months ended December 31, 2024. The press release and related preliminary earnings tables are furnished with this Form 8-K as Exhibit 99.