Lilyanna L. Peyser
Attorney Advisor
Securities and Exchange Commission
Division of Corporate Finance
100 F. Street NE
Washington, D. C. 20549
July 8, 2010
RE: American Electric Power Company, Inc.
Form 10-K for the Fiscal Year Ended December 31, 2009
Filed February 26, 2010
Definitive Proxy Statement on Schedule 14A
Filed March 15, 2010
File No. 001-03525
Appalachian Power Company
Form 10-K for the Fiscal Year Ended December 31, 2009
Filed February 26, 2010
Definitive Information Statement on Schedule 14A
Filed March 19, 2010
File No. 001-03457
Ohio Power Company
Form 10-K for the Fiscal year Ended December 31, 2009
Filed February 26, 2010
Definitive Information Statement on Schedule 14A
Filed March 19, 2010
File No. 001-06543
Columbus Southern Power Company
Form 10-K for the Fiscal Year Ended December 31, 2009
Filed February 26, 2010
File No. 001-06543
Indiana Michigan Power Company
Form 10-K for the Fiscal Year Ended December 31, 2009
Filed February 26, 2010
File No. 001-06543
Public Service Company of Oklahoma
Form 10-K for the Fiscal Year Ended December 31, 2009
Filed February 26, 2010
File No. 001-06543
Southwestern Electric Power Company
Form 10-K for the Fiscal Year Ended December 31, 2009
Filed February 26, 2010
File No. 001-06543
This letter confirms our conversation today and grants the companies an extension through July 16, 2010 to respond to the SEC comments. Please do not hesitate to call me (614-716-1648) with any questions you may have regarding this.
Very truly yours,
/s/ Thomas G. Berkemeyer
