Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
JOHN S COOPER POWER STATION
670 COOPER POWER PLANT RD, SOMERSET, KY, 42501
Parent company: EAST KENTUCKY POWER COOPERATIVE INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Hydrogen fluoride | Vanadium compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | 200 | 680 | — | 680 | — | 33,720 |
| 2023 | 220 | 930 | — | 730 | — | 39,992 |
| 2022 | 260 | 860 | — | 950 | — | 39,905 |
| 2021 | 180 | 1,000 | 23,184 | 750 | — | 29,366 |
| 2020 | 63 | 220 | — | — | — | 1,332 |
| 2019 | 74 | 400 | — | — | — | 1,647 |
| 2018 | 240 | 960 | 38,177 | 860 | — | 43,953 |
| 2017 | 220 | 790 | 24,154 | 840 | — | 28,625 |
| 2016 | 310 | 1,400 | 39,019 | 1,100 | — | 45,704 |
| 2015 | 78,000 | 13,000 | 62,034 | 11,000 | 21,022 | 190,125 |
| 2014 | 270,000 | 41,000 | 64,110 | 21,000 | 23,059 | 425,940 |
| 2013 | 370,000 | 48,000 | 62,210 | 27,000 | 22,100 | 559,562 |
| 2012 | 680,000 | 59,000 | 90,290 | 44,000 | 32,150 | 994,358 |
| 2011 | 1,600,000 | — | 110,200 | 96,000 | 37,130 | 1,949,549 |
| 2010 | 1,700,000 | 150,000 | 120,910 | 110,000 | 41,400 | 2,260,920 |
| 2009 | 1,400,000 | 120,000 | 96,840 | 89,000 | 34,570 | 1,868,061 |
| 2008 | 1,900,000 | 120,000 | 131,105 | 120,000 | 44,450 | 2,465,828 |
| 2007 | 1,800,000 | 110,000 | 111,360 | 110,000 | 40,450 | 2,292,364 |
| 2006 | 1,700,000 | 120,000 | 102,000 | 110,000 | 36,690 | 2,179,980 |
| 2005 | 1,700,000 | 130,000 | 102,240 | 110,000 | 38,700 | 2,192,355 |
| 2004 | 1,600,000 | 170,000 | 102,200 | 120,000 | 38,760 | 2,184,091 |
| 2003 | 1,400,000 | 110,000 | 112,209 | 99,000 | 39,050 | 1,883,772 |
| 2002 | 1,700,000 | 130,000 | 122,200 | 120,000 | 49,800 | 2,314,371 |
| 2001 | 1,400,000 | 200,000 | 163,701 | 130,000 | 58,701 | 2,135,082 |
| 2000 | 2,100,000 | 150,000 | 144,751 | 110,000 | — | 2,644,662 |
| 1999 | 1,270,000 | 440,000 | 153,811 | 100,000 | — | 2,125,692 |
| 1998 | 1,200,000 | 400,000 | 142,810 | 110,000 | — | 1,995,021 |