The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of Maryland. The revision pertains to a Consent Agreement between Maryland and Raven Power concerning an inter-facility averaging plan for emissions of nitrogen oxides (NO<INF>X</INF>) at facilities located in Maryland and owned by Raven Power. The Consent Agreement allows Raven Power to use system-wide emissions averaging to comply with the applicable NO<INF>X</INF> emission limits for six units located at two electric generating facilities, Brandon Shores and H.A. Wagner, owned by Raven Power. EPA is approving this revision in accordance with the requirements of the Clean Air Act (CAA).