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New Source Review (NSR) Permitting

DTE Gas Company, Milford Compressor Station - Permitting Information

1. Facility Information

DTE Gas Company, Milford Compressor Station

2. Location

3515 Childs Lake Road, Milford, Michigan

3. Distance from US/Canada Border

Approximately 20 km

4. Facility Type and Size

Boilers 5, 6, 7,8, and 9 are 90 MW each

5. Sources of Emissions

Four (4,000hp) natural gas fired combustion internal combustion engines that drive natural gas compressors. Proposing to install five new combustion turbines (10,504hp each turbine) to drive compressors. A new natural gas emergency generator (1506kw). Two small boilers (6MMBtu/hr) for heating.

6. Type of Fuel

Natural gas

7. Type and Quantity of Emissions

Expected decreases after modification:

Expected increases after modification:
CO 165.2 tpy
Nox 103.8
PM 20.4 tpy
SO2 5.8
VOC 16.3
H2SO 4 0.1
PM10 25.7 tpy
PM2.5 25.7 tpy
GHG (as CO2e) 203,593 tpy

8. Emission Control Technology

Dry low-NOx and emission limit of 15ppm at 15% O2 for NOx for combustion turbines; low-NOx burner and emission limit of 0.05lb/MMBtu for auxiliary boilers; 1g/HP-hr and limited annual operation for NOx limit on emergency generator. Good engineering technology for PM emissions. GHG BACT 440 tons CO2e 12-month rolling average.

9. Date Permit Application Received

October 20, 2015

10. Stack Height and Diameter

106 feet (32 meters)

11. Permit Agency Contact

Annette Switzer
Acting Permit Supervisor
Michigan Department of Environmental Quality
525 West Allegan St.
P.O. Box 30473
Lansing, MI  48909
800 662-9278