New Source Review
In 2007, AEP entered into a court-approved settlement of New Source Review (NSR) litigation. The original consent decree had specified that AEP would install flue gas desulfurization (FGD) systems on the Rockport Plant units, Big Sandy Unit 2 and Muskingum River Unit 5.
In 2013, a modification to the decree was approved by the U.S. District Court for the Southern District of Ohio, Eastern Division. The modification lowered a system-wide SO2 emission cap for AEP plants that becomes increasingly stringent through 2029. The modification also gives us more flexibility in how we meet these requirements.
NSR Consent Decree Annual Report Archive (PDF)