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2020 Monthly DEC Air Emissions2020 Runtime (hrs) Hot Starts Warm Starts Cold Start Stops GENSET 1-12 TOTALS 14890.2 1852 1244 1567 4663 Nitrogen Oxides (NOx) Carbon Monoxide (CO) Volatile Organic Compounds (VOC) Particulate Mater<10 microns (PM10) Particulate Mater<2.5 microns (PM2.5) Sulphur Dioxide (SO2) Ammonia (NH3) Carbon Dioxde Equivalents (CO2e)*MWh pounds pounds pounds pounds pounds pounds pounds tons January 278.9 76 5 159 240 2388.2 2384.9 1375.1 673.0 673.0 15.4 82.8 1361 2671 February 876.8 211 61 192 464 3660.6 3629.4 2723.9 1589.4 1589.4 33.4 256.1 4696 9466 March 1489.1 177 66 162 405 3504.1 3452.6 2579.0 1981.4 1981.4 37.0 428.8 8980 18209 April 749.2 54 56 131 241 2494.8 2379.5 1517.6 1079.0 1079.0 20.5 219.3 4319 8765 May 758.6 82 68 134 284 2666.5 2532.2 1724.8 1144.1 1144.1 22.7 214.7 4167 8125 June 979.6 200 93 108 401 2784.8 2660.0 2382.6 1478.8 1478.8 32.0 221.0 4676 8775 July 1969.2 163 233 52 448 3251.6 2845.3 2925.3 2418.8 2418.8 45.0 541.6 10804 21205 August 2558.1 220 268 60 548 3935.3 3488.8 3573.1 3111.3 3111.3 55.6 727.3 16522 33435 September 1090.3 141 115 97 353 2716.5 2515.6 2150.1 1491.9 1491.9 30.1 275.0 4613 8569 October 2256.6 222 153 128 503 3985.0 3811.4 3310.9 2785.8 2785.8 50.7 655.6 15351 31581 November 1214.4 202 61 153 416 3274.5 3250.5 2556.8 1760.1 1760.1 34.8 343.0 7052 14117 December 669.6 104 65 191 360 3393.7 3269.0 2141.5 1229.4 1229.4 26.0 200.9 3597 7224 Total MWh 172143 Engine Emissions (pounds) 38055.8 36219.0 28960.7 20742.9 20742.9 403.3 4166.2 Engine Emissions (tons) 19.0 18.1 14.5 10.4 10.4 0.2 2.1 86138 0.71 0.39 0.17 0.04 0.04 0.14 0.00 41 3.31 2.59 0.27 0.24 0.24 0.16 0.00 3077 Tons 23.05 21.09 14.92 10.65 10.65 0.50 2.08 89256 33.80 96.50 48.60 70.00 70.00 1.75 60.90 68.2% 21.9% 30.7% 15.2% 15.2% 28.7% 3.4% 2020 Denton Energy Center Emissions by Month DEC Annual Emissions Emergency Diesel Generator* *DEC operates dew point heater and diesel generator under TCEQ permit by rule. Operations Emissions Plant Equipment Emissions (Permit by Rule) Total Plant Emissions DEC Standard Permit Annual Limits Annual to Date Total Plant Emissions per DEC Permit Limit DEC Annual Emissions Dew Point Heater* DEC Total Plant Annual Emission Permit Limits (tons)