United States securities and exchange commission logo January 20, 2021 Diane Leopold Chief Executive Officer Dominion Energy South Carolina, Inc. 400 Otarre Parkway Cayce, SC 29033 Re: Dominion Energy South Carolina, Inc. Registration Statement on Form S-3 Filed January 12, 2021 File No. 333-252048 Dear Ms. Leopold: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Irene Barberena-Meissner, Staff Attorney, at 202-551-6548 with any questions. Sincerely, Division of Corporation Finance Office of Energy & Transportation cc: Katherine K. DeLuca, Esq.