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New Source Review (NSR) Permitting

Mirant Wyandotte, LLC - Permitting Information

1. Facility Information

Mirant Wyandotte, LLC

2. Location

Wyandotte, Wayne County, Michigan, 48192

3. Distance from US/Canada Border

less than 50 km

4. Facility Type and Size

proposed installation of a 644 MW natural gas-fired turbine electrical generating facility, consisting of two combustion turbines, two fuel preheaters, two start-up boilers, an emergency fire pump engine, and a cooling tower.

5. Sources of Emissions

the turbines, start-up boilers, preheaters, emergency fire pump engine, and the cooling tower.

6. Type of Fuel

except for the emergency fire pump engine, which uses diesel fuel, all combustion equipments will use natural gas.

7. Type and Quantity of Emissions

Pollutant Allowable Emissions (tpy)
PM10 149.7
SO2 53.4
NO2 331.8
CO 524.4
VOC 163.3
HCOH 9.9
H2SO4 12.3
NH3 155.5

8. Emission Control Technology

  • dry low NOx burners and selective catalytic reduction (SCR) for NOx reduction,
  • good combustion techniques and catalytic oxidation add-on control for reducing CO, VOCs, and toxic air contaminants,
  • efficient combustion practice to control PM10,
  • use of pipeline quality natural gas for PM10 and SO2 control,
  • proper operational practice for SCR system to control ammonia.

9. Date Permit Application Received

MDEQ received the permit application on January 3, 2002, and USEPA received the draft permit on October 16, 2002.

10. Stack Height and Diameter

each turbine has a stack of 145 ft height and 216 in diameter

11. Permit Agency Contact

Mary Ann Dolehanty
Michigan Department of Environmental Quality - Air Quality Division
PO Box 30260
Lansing MI 48909
Tel. 517-373-2098