Business Combination Prospectus (Form 425)

Filed by: Dominion Energy, Inc.

pursuant to Rule 425 under the Securities Act of 1933

and deemed filed pursuant to Rule 14a-12 under

the Securities Exchange Act of 1934

Subject Company: Dominion Energy, Inc.

Commission File No.: 001-08489

Talking Points for Contact Centers

Background:

On May 18, 2026, Dominion Energy and NextEra Energy announced plans to combine. The combination will create the nation's largest regulated utility business, with about 10 million homes and businesses in the southeastern U.S. If approved by state and federal regulators and shareholders, the transaction is expected to close in the next 12 to 18 months.

What to communicate to customers:

As more customers contact us regarding the combination of Dominion Energy and NextEra Energy, it is important to only communicate information from the approved Q&A below. If customers ask for details regarding anything else, appropriate answers may include, "That is yet to be determined," or "We don't have any additional information yet."

Do not offer personal opinions, discuss media coverage, or provide unapproved information to customers. Please refer to the Q&As to assist in answering customer inquiries. It may be necessary to explain the expected customer benefits, including bill credits, are pending regulatory approval of the combination.

You may also refer customers to the informational page at www.DominionEnergy.com/Merger.

General Questions

Q: What was announced on May 18?

Q: Will this affect my electric [gas] service?

Q: Do I need to do anything because of the combination?

Q: Why are these companies combining?

Q: Who is NextEra Energy?

Q: What does this really mean for me as a customer?

Billing and Rates

Q: Will my bill go up if the combination is approved? Will there be additional fees charged as a result of this announcement?

Q: What are the bill reductions being proposed?

Q: When will the bill reductions begin?

Q: I am a business customer. Will I receive reductions on my bill as well?

Q: Will my billing statement look different?

Q: For Dominion Energy South Carolina customers, does this have to do with current rate review?

Company Name & Brand

Q: Is the utility company name changing?

Q: What will the new combined company be called?

Q: Will your logo or branding change?

Local Presence & Operations

Q: Is management changing?

Q: Will you still have a local presence in my community?

Q: Will I still be working with the same people at Dominion Energy?

Q: Are local offices closing?

Customer Experience & Technology

Q: Will I have to learn a new system or website or mobile app?

Q: Will customer service phone numbers change?

Q: Is my information secure with this transition?

Reliability & Service

Q: Will the combination affect reliability or outages?

Q: Will response times change for outages or service issues?

Programs & Offerings

Q: Will my current programs (budget billing, assistance programs, etc.) change?

Merger Approvals

Q: Who is required to approve the combination of these two companies?

Q: When will approvals happen?

What happens next/where can I learn more?

Q: Where can I learn more?

Q: How will I be notified of future updates

Q: I am a customer and a shareholder. Where can I learn more?

Forward-Looking Statements

This communication includes "forward-looking statements" within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact included or incorporated by reference in this communication, including, among other things, statements regarding the proposed business combination transaction between NextEra Energy, Inc. (NextEra Energy) and Dominion Energy, Inc. (Dominion Energy) and future events, plans and anticipated results of operations, business strategies, the anticipated benefits of the proposed transactions, the anticipated impact of the proposed transactions on the combined company's business and future financial and operating results, the anticipated closing date for the proposed transactions and other aspects of NextEra Energy's or Dominion Energy's operations or operating results, are forward-looking statements. Words and phrases such as "ambition," "anticipate," "estimate," "believe," "budget," "continue," "could," "intend," "may," "plan," "potential," "predict," "seek," "should," "will," "would," "expect," "objective," "projection," "forecast," "goal," "guidance," "outlook," "effort," "target," the negative of such terms or other variations thereof and words and terms of similar substance used in connection with any discussion of future plans, actions or events can be used to identify forward-looking statements. Where, in any forward-looking statement, NextEra Energy or Dominion Energy expresses an expectation or belief as to future results, such expectation or belief is expressed in good faith and believed to be reasonable at the time such forward-looking statement is made. Any forward-looking statement is not a guarantee of future performance, outcomes or results and is subject to numerous risks, uncertainties and other factors, many of which are beyond NextEra Energy's or Dominion Energy's control, that could cause actual performance, outcomes or results to differ materially from what is expressed or implied in the forward-looking statement.

These factors include a failure by NextEra Energy to successfully integrate Dominion Energy's businesses and technologies, which may result in the combined company not operating as effectively and efficiently as expected; the risk that the expected benefits of the proposed transactions may not be fully realized or may take longer to realize than expected; each party's ability to obtain the approval of its shareholders required to consummate the proposed transactions and the timing of the closing of the proposed transactions, including the risk that the conditions to closing are not satisfied on a timely

basis or at all or the failure of the transactions to close for any other reason or to close on the anticipated terms, including with the anticipated tax treatment; the risk that any governmental or regulatory approval, consent or authorization that may be required for the proposed transactions is not obtained, is delayed or is obtained subject to conditions that are not anticipated or that cause the termination of the merger agreement and abandonment of the transactions; the occurrence of any event, change or other circumstance that could give rise to the termination of the merger agreement by either party; the risk that certain provisions in the merger agreement or the pendency of the transactions may impact either party's ability to pursue certain business opportunities or strategic transactions; unanticipated difficulties, liabilities or expenditures relating to the transactions, including the impact of potential litigation relating to the transactions; the effect of the announcement, pendency or completion of the proposed transactions on the parties' business relationships and business operations generally, including the parties' relationship with regulators, suppliers, vendors and customers; the effect of the announcement or pendency of the proposed transactions on the parties' common stock prices and uncertainty as to the long-term value of either party's common stock; risks that the proposed transactions disrupt either party's current plans and operations, including due to the diversion of the attention of management from ordinary course business operations, and potential difficulties in hiring or retaining employees as a result of the proposed transactions; any rating agency actions; and the impact of the announcement or pendency of the proposed transactions on either party's ability to access capital, including the short- and long-term debt markets, on a timely and affordable basis; general worldwide economic conditions and related uncertainties; the effect and timing of changes in laws or in governmental regulations (including environmental); fluctuations in trading prices of securities of NextEra Energy and in the financial results of NextEra Energy or Dominion Energy; and the timing and extent of changes in interest rates, commodity prices and demand and market prices for electricity or gas. The registration statement on Form S-4 and joint proxy statement/prospectus that will be filed with the Securities and Exchange Commission (SEC) will describe additional risks in connection with the proposed transactions. While the list of factors presented here is, and the list of factors to be presented in the registration statement on Form S-4 and joint proxy statement/prospectus are considered representative, no such list should be considered to be a complete statement of all potential risks and uncertainties. For additional information about other factors that could cause actual results to differ materially from those described in the forward-looking statements, please refer to NextEra Energy's and Dominion Energy's respective periodic reports and other filings with the SEC, including the risk factors contained in NextEra Energy's and Dominion Energy's most recently filed Annual Reports on Form 10-K and subsequently filed Quarterly Reports on Form 10-Q.

Any forward-looking statements included in this communication represent current expectations and are inherently uncertain and are made only as of the date hereof (or, if applicable, the dates indicated in such statement). Except as required by law, neither NextEra Energy nor Dominion Energy undertakes or assumes any obligation to update any forward-looking statements, whether as a result of new information or to reflect subsequent events or circumstances or otherwise.

No Offer or Solicitation

This communication is not intended to and shall not constitute an offer to buy or sell or the solicitation of an offer to buy or sell any securities, or a solicitation of any vote or approval, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made, except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

Additional Information about the Transactions and Where to Find It

In connection with the proposed transactions, NextEra Energy intends to file with the SEC a registration statement on Form S-4 that will include a joint proxy statement of NextEra Energy and Dominion Energy that also constitutes a prospectus of NextEra Energy. Each of NextEra Energy and Dominion Energy may also file other relevant documents with the SEC regarding the proposed transactions. This communication is not a substitute for the joint proxy statement/prospectus or registration statement or any other document that NextEra Energy or Dominion Energy may file with the SEC. The definitive joint proxy statement/prospectus (if and when available) will be mailed to shareholders of NextEra Energy and Dominion Energy. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE REGISTRATION STATEMENT, JOINT PROXY STATEMENT/PROSPECTUS, AND ANY OTHER RELEVANT DOCUMENTS THAT MAY BE FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, CAREFULLY AND IN THEIR ENTIRETY IF AND WHEN THEY BECOME AVAILABLE BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT NEXTERA ENERGY, DOMINION ENERGY, THE PROPOSED TRANSACTIONS AND RELATED MATTERS.

Investors and security holders will be able to obtain free copies of the registration statement and the joint proxy statement/prospectus (if and when available) and other documents containing important information about NextEra Energy, Dominion Energy and the proposed transactions, once such documents are filed with the SEC through the website maintained by the SEC at www.sec.gov. Copies of the documents filed with the SEC by NextEra Energy will be available free of charge on NextEra Energy's website at http://www.investor.nexteraenergy.com/ or by contacting NextEra Energy's Investor Relations Department by email at [email protected] or by phone at (800) 222-4511. Copies of the documents filed with the SEC by Dominion Energy will be available free of charge on Dominion Energy's website at http://investors.dominionenergy.com or by contacting Dominion Energy's Investor Relations Department by email at [email protected] or by phone at (804) 819-2438.

Participants in the Solicitation

NextEra Energy, Dominion Energy and certain of their respective directors and executive officers may be deemed to be participants in the solicitation of proxies in respect of the proposed transactions.

Information about the directors and executive officers of NextEra Energy, including a description of their direct or indirect interests, by security holdings or otherwise, is set forth in (i) NextEra Energy's proxy statement for its 2026 annual meeting of shareholders, which was filed with the SEC on April 1, 2026, including under the headings "Proposal 1: Election as directors of the nominees specified in this proxy statement," "Director Compensation," "Executive Compensation," and "Common Stock Ownership of Certain Beneficial Owners and Management," (ii) NextEra Energy's Annual Report on Form 10-K for the fiscal year ended December 31, 2025, which was filed with the SEC on February 13, 2026, including under the heading "Item 1. Business-Information About Our Executive Officers" and (iii) to the extent certain holdings of NextEra Energy securities by its directors or executive officers have changed since the amounts set forth in NextEra Energy's proxy statement for its 2026 annual meeting of shareholders, such changes have been or will be reflected on Initial Statement of Beneficial Ownership of Securities on Form 3, Statement of Changes in Beneficial Ownership on Form 4, or Annual Statement of Changes in Beneficial Ownership of Securities on Form 5, filed with the SEC.

Information about the directors and executive officers of Dominion Energy, including a description of their direct or indirect interests, by security holdings or otherwise, is set forth in (i) Dominion Energy's proxy statement for its 2026 annual meeting of shareholders, which was filed with the SEC on March 19, 2026, including under the headings "Item 1: Election of Directors - Director Nominees," "Compensation of Non-Employee Directors," "Executive Compensation" and "Security Ownership of Certain Beneficial Owners and Management," (ii) Dominion Energy's Annual Report on Form 10-K for the fiscal year ended December 31, 2025, which was filed with the SEC on February 23, 2026, including under the heading "Information about our Executive Officers" and (iii) to the extent certain holdings of Dominion Energy securities by its directors or executive officers have changed since the amounts set forth in Dominion Energy's proxy statement for its 2026 annual meeting of shareholders, such changes have been or will be reflected on Initial Statement of Beneficial Ownership of Securities on Form 3, Statement of Changes in Beneficial Ownership on Form 4 or Annual Statement of Changes in Beneficial Ownership of Securities on Form 5, filed with the SEC.

Other information regarding the participants in the proxy solicitations and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the definitive joint proxy statement/prospectus and other relevant materials to be filed with the SEC regarding the proposed transactions when such materials become available. Investors should read the joint proxy statement/prospectus carefully when it becomes available before making any voting or investment decisions. Copies of the documents filed with the SEC by NextEra Energy and Dominion Energy will be available free of charge through the website maintained by the SEC at www.sec.gov. Additionally, copies of documents filed with the SEC by NextEra Energy and Dominion Energy will be available free of charge through the sources indicated above.