Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-257414 on Form S-8 of our report dated June 20, 2024, relating to the financial statements and supplemental schedule of the Dominion Energy Salaried Savings Plan, appearing in this Annual Report on Form 11-K of the Dominion Energy Salaried Savings Plan for the year ended December 31, 2023.

/s/ Deloitte & Touche LLP

Richmond, Virginia

June 20, 2024