Greensville County power station is a 1,588MW combined-cycle natural gas power plant located in Greensville County, Virginia, US. The plant is owned and operated by Dominion Virginia Power, a subsidiary of Dominion Energy. Construction on the $1.3bn project started in December 2016, while commercial operations were started in December 2018. The power station generates enough electricity to power approximately 400,000 Virginia households.

The Kleen Energy power plant is a 620 MW combined cycle electric generating facility located in Middletown, CT. The facility was completed in July, 2011.

The plant consists of two Siemens SGT6-5000F dual fuel combustion turbines (natural gas and fuel oil), one high-pressure Siemens SST-5000 steam turbine, heat recovery steam generators, cooling towers, DCS instrument and control system, and a 345 kV gas-insulated switchyard and step-up transformers.