EXHIBIT 31.2CERTIFICATION
PURSUANT TO SECTION 302OF THE SARBANES-OXLEY ACT OF 2002

I, Susan Tomasky, certify that:  1.
          I have reviewed this quarterly report on Form 10-Q of:

American Electric Power
Company, Inc. AEP Generating Company AEP Texas Central
Company AEP Texas North Company Appalachian Power Company Columbus Southern Power
Company Indiana Michigan Power
Company Kentucky Power CompanyOhio Power Company Public Service Company of
Oklahoma Southwestern Electric
Power Company;

|2. | Based on my knowledge, this quarterly report does not contain any untrue
          statement of a material fact or omit to state a material fact necessary to make
          the statements made, in light of the circumstances under which such statements
          were made, not misleading with respect to the period covered by this quarterly
          report;
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|3. | Based on my knowledge, the financial statements, and other financial information
          included in this quarterly report, fairly present in all material respects the
          financial condition, results of operations and cash flows of the registrant as
          of, and for, the periods presented in this quarterly report;
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|4. | The registrants other certifying officers and I are responsible for
          establishing and maintaining disclosure controls and procedures (as defined in
          Exchange Act Rules 13a-15e and 15d-15e) for the registrant and we have:
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| | a. | designed such disclosure controls and procedures, or caused such disclosure
                    controls and procedures to be designed under our supervision, to ensure that
                    material information relating to the registrant, including its consolidated
                    subsidiaries, is made known to us by others within those entities, particularly
                    during the period in which this quarterly report is being prepared;
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| | b. | evaluated the effectiveness of the registrants disclosure controls and
                    procedures and presented in this quarterly report our conclusions about the
                    effectiveness of the disclosure controls and procedures, as of the end of the
                    period covered by this quarterly report based on such evaluation; and
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| | c. | disclosed in this quarterly report any change in the registrants internal
                    control over financial reporting that occurred during the registrants most
                    recent fiscal quarter that has materially affected, or is reasonably likely to
                    materially affect, the registrants internal control over financial
                    reporting; and
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|5. | The registrants other certifying officers and I have disclosed, based on
          our most recent evaluation of internal control over financial reporting, to the
          registrants auditors and the audit committee of registrants board of
          directors (or persons performing the equivalent function):
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| | a. | all significant deficiencies and material weaknesses in the design or operation
                    of internal control over financial reporting which are reasonably likely to
                    adversely affect the registrants ability to record, process, summarize and
                    report financial information; and
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| | b. | any fraud, whether or not material, that involves management or other employees
                    who have a significant role in the registrants internal control over
                    financial reporting.
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Date: November 12, 2003

By:    /s/  Susan Tomasky

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Susan TomaskyChief Financial Officer