美国电力 2026年季度报告

☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For The Quarterly Period EndedJune 30, 2026or☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For The Transition Period from ____ to ____ Indicate by check mark whether the registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the registrants were required to file such reports), and (2) have been subject tosuch filing requirements for the past 90 days. Indicate by check mark whether the registrants have submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrants were required to submitsuch files). Indicate by check mark whether American Electric Power Company, Inc. is a large accelerated filer, an accelerated filer, a non-accelerated filer, asmaller reporting company, or an emerging growth company.See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reportingcompany,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Indicate by check mark whether AEP Texas Inc., AEP Transmission Company, LLC, Appalachian Power Company, Indiana Michigan Power Company,Ohio Power Company, Public Service Company of Oklahoma and Southwestern Electric Power Company are large accelerated filers, acceleratedfilers, non-accelerated filers, smaller reporting companies, or emerging growth companies.See the definitions of “large accelerated filer,” “acceleratedfiler,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrants have elected not to use the extended transition period for complying with anynew or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrants are shell companies (as defined in Rule 12b-2 of the Exchange Act). AEP Texas Inc., AEP Transmission Company, LLC, Appalachian Power Company, Indiana Michigan Power Company, Ohio Power Company, PublicService Company of Oklahoma and Southwestern Electric Power Company meet the conditions set forth in General Instruction H(1)(a) and (b) of Form10-Q and are therefore filing this Form 10-Q with the reduced disclosure format specified in General Instruction H(2) to Form 10-Q. Number of sharesof common stockoutstanding of theRegistrants as ofJuly 30, 2026 American Electric Power Company, Inc.544,397,352($6.50 par value)AEP Texas Inc.100($0.01 par value)AEP Transmission Company, LLC (a)NAAppalachian Power Company13,499,500(no par value)Indiana Michigan Power Company1,400,000(no par value)Ohio Power Company27,952,473(no par value)Public Service Company of Oklahoma9,013,000($15 par value)Southwestern Electric Power Company3,680($18 par value) AMERICAN ELECTRIC POWER COMPANY, INC. AND SUBSIDIARY COMPANIESINDEX OF QUARTERLY REPORTS ON FORM 10-QJune 30, 2026 This combined Form 10-Q is separately filed by American Electric Power Company, Inc., AEP Texas Inc., AEP Transmission Company,LLC, Appalachian Power Company, Indiana Michigan Power Company, Ohio Power Company, Public Service Company of Oklahomaand Southwestern Electric Power Company.Information contained herein relating to any individual registrant is filed by such registranton its own behalf. Except for American Electric Power Company, Inc., each registrant makes no representation as to information relatingto the other registrants. GLOSSARY OF TERMS FORWARD-LOOKING INFORMATION This report made by the Registrants contains forward-looking statements, and for the Registrants other than Parent, this report containsforward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934.Many forward-lookingstatements appear in “Part I – Item 2 Management’s Discussion and Analysis of Financial Condition and Results of Operations” of thisquarterly report, but there are others throughout this document which may be identified by words such as “expect,” “anticipate,”“intend,” “plan,” “believe,” “will,” “should,” “could,” “would,” “project,” “continue” and similar expressions, and include statementsreflecting future results or guidance and statements of outlook.These matters are subject to risks and uncertainties that could causeactual results to differ materially from those projected.Forward-looking statements in this document are presented as of the date of thisdocument.Except to the extent required by applicable law, management undertakes no obligation to update or revise any forward-looking statement.Among the factors that could cause actual results to differ materially from those in the forward-looking statementsare: •Changes in economic conditions,