NRG Energy, through its wholly owned subsidiary, NRG Thermal LLC, owns and operates the NRG Energy Center Dover LLC. The facility was built in 1984, commissioned in 1985 and currently consists of a 190,000 pound per hour coal-fueled steam boiler, two existing 45 MW simple cycle combustion turbines, and an 18MW electrical steam turbine generator that produces electrical power and heat, or steam production, as a combined heat and power cogeneration unit. Electric power is sold to PJM, part of the Eastern interconnection grid operating an electric transmission system serving Delaware and other states. The steam is sold to Kraft Foods and Procter and Gamble for their process needs.