Air Pollution Controls - Duke Energy Buck (8000004)

Last Update: 05/21/06 ----- 03786T19/MRO ----- EPA | DAQ | EPA-TTN
Air Pollution Controls

Source ID Source Description Control ID Control Description
ES-1 (B5) one coal/No. 2 fuel oil-fired electric utility boiler (672 mmBtu/hr, Unit No. 3 - Boiler No. 5) CD-1 (B5ESP) one hot-side electrostatic precipitator (80,640 square feet of plate area)
ES-2 (B6) one coal/No. 2 fuel oil-fired electric utility boiler (672 mmBtu/hr, Unit No. 3 - Boiler No. 6) CD-2 (B6ESP) one hot-side electrostatic precipitator (80,640 square feet of plate area)
ES-3 (B7) one coal/No. 2 fuel oil-fired electric utility boiler (672 mmBtu/hr, Unit No. 4 - Boiler No. 7) CD-3 (B7ESP) one hot-side electrostatic precipitator (80,640 square feet of plate area)
ES-4 (B8) one coal/No. 2 fuel oil-fired electric utility boiler (1,440 mmBtu/hr, Unit No. 5 - Boiler No. 8) CD-3 (B7ESP) one hot-side electrostatic precipitator (152,280 square feet of plate area) AND separated over-fire air (SOFA) low-NOx control equipment AND one SNCR NOx control system
ES-5 (B9) one coal/No. 2 fuel oil-fired electric utility boiler (1,440 mmBtu/hr, Unit No. 6 - Boiler No. 9) CD-3 (B7ESP) one hot-side electrostatic precipitator (152,280 square feet of plate area) AND separated over-fire air (SOFA) low-NOx control equipment AND one SNCR NOx control system
ES-6,7,8 three simple-cycle natural gas/No. 2 fuel oil-fired combustion turbines (754 mmBtu/hr each, Unit Nos. 7C, 8C, and 9C) NA NA
ES-9 (Aux) one No. 2 fuel oil/propane-fired auxiliary boiler (21 mmBtu/hr) NA NA
ES-10 (RCU) one rail-car unloading system CD-10 (BF) one bagfilter (1,908 ft2 filter area)


Current/Planned Controls per the Clean Smokestacks Act

Facility Rating (MW) Existing ESP PostComb. NOx/Tech. Operation Year FGD/SO2 Tech. Operation Year
Duke Energy Buck 370 Hot(3,4,5,6) SNCR(3,4,5,6) 2006-2009 None ----

For the above table, the number in parenthesis identifies the boiler unit(s) equipped with the corresponding emission control technology. Projections supplied by Duke Energy.
Mercury (Hg) Emission Allocations

Facility Unit 2010-2017 (oz.) 2018-Later (oz.)
Duke Energy Buck 5 56 22
Duke Energy Buck 6 57 23
Duke Energy Buck 7 62 25
Duke Energy Buck 8 313 124
Duke Energy Buck 9 349 138

(Link to Hg Controls Performance)

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