Grand River Dam Authority

The Grand River Dam Authority (GRDA) broke ground on the Grand River Energy Center Unit 4, a 426-megawatt advanced J-class natural gas-fired combustion turbine project near Chouteau, Oklahoma. Black & Veatch is providing engineering, procurement support and construction management. The unit is expected to be completed in 2026.

Mitsubishi Heavy Industries has signed a contract with GRDA to supply one M501JAC gas turbine for the Grand River Energy Center in Chouteau, Oklahoma. The turbine will replace coal-fired unit 2 and is expected to start operation in April 2026.

Mitsubishi Power and Grand River Dam Authority signed an agreement for a second M501JAC gas turbine for the Grand River Energy Center in Chouteau, Oklahoma. The unit will replace the last coal-fired unit and is expected to be operational by April 2026.

Grand River Dam Authority approved a $136 million contract with Mitsubishi Power America for a 420-MW natural gas-fired combustion turbine to replace a coal-fired unit at the Grand River Energy Center in Choteau, Oklahoma. A separate $75 million, 12-year service agreement was also approved.

Grand River Dam Authority dedicated Unit 3 at its Grand River Energy Center in Chouteau, Oklahoma, a 500 MW combined cycle power plant with the first MHPS J-series gas turbine in the US, representing a $500 million investment.

A Mitsubishi Hitachi Power Systems M501J gas turbine at the Grand River Energy Center in Chouteau, Oklahoma, has achieved reliable power generation, selling power to the grid 45 days after first fire. It is the first J-Series turbine in the Americas.