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New Source Review (NSR) Permitting

Sumas Energy 2 (update) - Permitting Information

1. Facility Information

Sumas Energy 2

2. Location

City of Sumas, Whatcom County, Washington, USA

3. Distance from US/Canada Border

0.5 miles

4. Facility Type and Size

National Energy Systems Company (NESCO) is to construct a 660 MW natural gas fired combined cycle power plant.

5. Sources of Emissions

Two combustion turbines

6. Type of Fuel

Primary - natural gas

7. Type and Quantity of Emissions & 8. Emission Control Technology

The two new turbines' maximum permitted potential to emit (8760 hours / yr) considering controls:

Pollutant Emissions
(tons / yr)
Emission Control Technology
PM10 209 Good combustion practices & pipeline natural gas
SO2 69 Good combustion practices & pipeline natural gas
NOx 144.5 Dry low NOx burners & SCR
VOC 76.7 Good combustion practices, pipeline natural gas & oxidation catalyst
CO 88 Oxidation catalyst
H2SO4 14.3 Good combustion practices & pipeline natural gas
NH3 139 SCR with ammonia slip limit of 5 ppm.

9. Date Permit Application Received

On October 17, 2005, NESCO requested an extension of the October 17, 2004 PSD permit. The existing permit expires if construction of the facility does not begin before April 17, 2006. The application, if approved, would extend the time period during which construction may begin to October 17, 2007. Prior to acting upon the application, EFSEC must first solicit public comment. The public comment period for a proposed action is estimated to begin January 15, 2006.

10. Stack Height and Diameter

Stack 1:
Height: 125 feet
Diameter: 20.5 feet

Stack 2:
Height: 125 feet
Diameter: 20.5 feet

11. Permit Agency Contact

State of Washington Energy Facility Site Evaluation Council
Attn: Irina Makarow
P.O. Box 43172
Olympia, WA 98504-3172
Phone: 360.956.2047