In re Application of Columbus S. Power Co.

I. Summary

{¶ 1} This second appeal stems from the approval by the Public Utilities Commission (“commission” or “PUCO”) of the first electric security plan of the American Electric Power operating companies, Columbus Southern Power Company and Ohio Power Company (collectively, “AEP”). We first reviewed the commission’s approval of the electric security plan in 2011. In re Application of Columbus S. Power Co., 128 Ohio St.3d 512, 2011-Ohio-1788, 947 N.E.2d 655. There, we held that the commission committed reversible error on three issues: (1) granting AEP a retroactive rate increase (but…