United States securities and exchange commission logo May 18, 2020 Nicholas K. Akins Chairman and Chief Executive Officer SOUTHWESTERN ELECTRIC POWER CO 1 Riverside Plaza Columbus, Ohio 43215 Re: SOUTHWESTERN ELECTRIC POWER CO Registration Statement on Form S-3 Filed May 11, 2020 File No. 333-238159 Dear Mr. Akins: 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 Kevin Dougherty at (202) 551-3271 with any questions. Sincerely, Division of Corporation Finance Office of Energy & Transportation