Wallingford Energy is a gas turbine power plant located in Wallingford, Connecticut, operating under the Northeast Power Coordinating Council. With an operating capacity of 349 MW, the facility is managed by PPL Wallingford Energy and is classified as unregulated. The plant primarily utilizes natural gas as fuel, sourced from the Algonquin Gas Transmission pipeline. LS Power Development holds the majority ownership of the plant, which serves the ISO New England power control area.