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First U.S. Order For J-series Gas Turbine

Combined-cycle unit to contribute to existing facility; order includes service contract

Posted on January 30, 2014

Mitsubishi Power Systems Americas (MPSA) has been selected to supply a natural gas-powered M501J gas turbine, an SRT-50 steam turbine and associated electric generators for a new Unit #3 at the Grand River Dam Authority’s (GRDA) existing power generation facility in Chouteau, Oklahoma, U.S.A.

The GRDA is Oklahoma’s state-owned electric utility – fully funded by revenues from electric and water sales instead of taxes. The company said the Unit #3 powertrain will provide 495 MW of combined-cycle generation while helping GRDA meet U.S. Environmental Protection Agency (EPA) emissions regulations. With a turbine inlet temperature of 1600oC, the J-series turbine can reach an ISO efficiency of 61.5% LHV, Mitsubishi said. Construction of Unit #3 will begin in 2015 and it is expected to become operational in 2017.

The M501J gas turbine to be installed at the GRDA power generation facility will be manufactured at MPSA’s turbine manufacturing and service facility located in Savannah, Georgia, U.S.A.

Under a separate long-term service agreement (LTSA), MPSA will also provide comprehensive maintenance for the gas turbine and associated electric generator.