Gas Generating Plant Certificate Of Necessity Sought

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On July 12 Consumers Energy filed testimony with the Michigan Public Service Commission (MPSC) to support its application for approval of a Certificate of Necessity for 700 MW of generation at the Thetford Generating Station in Thetford Township, Genesee County. The case has been designated U-17429 by the MPSC. The first hearing date has yet to be set. This filing follows closely on the closing of public comments (June 18) for the draft air permit being sought by Consumers Energy at the Michigan Department of Environmental Quality. The project has been described there as including:

  • Four natural gas-fired combined-cycle combustion turbines rated at 211 to 230 MW;
  • Each coupled to a heat recovery steam generator (HRSG) equipped with a natural gas-fired duct burner;
  • Configured into two blocks, each with two turbines and one HRSG;
  • Two natural gas-fired simple-cycle black start/peaking combustion turbine generators; and
  • Two natural gas-fired auxiliary boilers.

The generating station under the draft permit is designed to produce up to a nominal 1400 MW.