...Ohio Power Co.'s (OPCo) ratings reflect the company's strong credit metrics due to Ohio's favorable regulatory administration and the company's low-risk business profile as an electric transmission and distribution (T&D) utility. OPCo operates under a multiyear electric security plan (ESP), which was recently extended to 2024. The ratings also consider OPCo's relationship with its parent, American Electric Power Company, Inc. (AEP; BBB+/Stable). Fitch Ratings considers OPCo's ratings to be constrained by its participation in a money pool with regulated affiliates that are rated two notches lower....