Akron, Ohio – FirstEnergy Nuclear Operating Company (FENOC), a subsidiary of FirstEnergy Corp. (NYSE: FE), announced its Beaver Valley Nuclear Power Station Unit 1, located in Shippingport, Pa., returned to service today following an October 2 shutdown for refueling and maintenance. The 911-megawatt plant is currently operating at 24 percent power and is expected to reach full power in the next several days. Unit 1 began producing electricity at 4:49 a.m. Several projects were completed to ensure continued safe and reliable operations, including replacement of one of three reactor coolant pump motors and maintenance work and inspections on various plant components. Sixty of the 157 fuel assemblies were exchanged. Beaver Valley Unit 1 operated for 500 consecutive days before shutting down for refueling. During the period, the unit produced more than 10.7 million megawatt-hours of electricity. FirstEnergy Corp. is a diversified energy company headquartered in Akron, Ohio. Its FENOC subsidiary also operates the Davis-Besse Nuclear Power Station in Oak Harbor, Ohio, and the Perry Nuclear Power Plant in Perry, Ohio.