Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HAWTHORN GENERATING STATION
8700 E FRONT ST, KANSAS CITY, MO, 64120
Parent company: EVERGY INC
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Barium And Barium Compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2024 | 553,659 | — | 51,562 | — | 4,098 | 658,430 |
| 2023 | 479,386 | — | 40,456 | 1 | 4,085 | 566,876 |
| 2022 | 704,197 | — | 35,695 | — | 5,999 | 850,663 |
| 2021 | — | 502 | 15,831 | — | 5,028 | 24,720 |
| 2020 | — | 179 | 16,106 | 2 | 3,883 | 22,643 |
| 2019 | — | 289 | 1,059 | 1 | 5,525 | 10,470 |
| 2018 | — | 264 | 1,476 | 1 | 5,138 | 10,212 |
| 2017 | — | 73 | 1,040 | 1,335 | 2,278 | 7,536 |
| 2016 | — | 56 | 860 | 900 | 1,899 | 6,055 |
| 2015 | — | 71 | 8,460 | 4,555 | 2,512 | 18,703 |
| 2014 | — | 84 | 8,260 | 4,700 | 2,380 | 18,394 |
| 2013 | — | 84 | 13,500 | 4,700 | 2,700 | 24,373 |
| 2012 | — | 76 | 16,000 | 3,700 | 2,600 | 25,498 |
| 2011 | — | 61,086 | 17,008 | 4,605 | 2,670 | 100,455 |
| 2010 | — | 65,066 | 36,008 | 5,805 | 7,400 | 134,000 |
| 2009 | — | 101,323 | 1,411 | 11,005 | 7,900 | 148,552 |
| 2008 | — | 94,008 | 3,210 | 120,005 | 7,000 | 248,721 |
| 2007 | — | 57,300 | 9,407 | 8,505 | 11,000 | 97,650 |
| 2006 | — | 51,201 | 7,005 | 70,005 | 6,300 | 157,980 |
| 2005 | — | 74,900 | 7,740 | — | — | 97,453 |
| 2004 | — | 37,805 | 4,020 | — | — | 49,909 |
| 2003 | — | 19,901 | 4,660 | — | 33,000 | 62,171 |
| 2002 | — | 95,800 | 7,140 | — | 4,100 | 136,512 |
| 2001 | — | 501,300 | 29,130 | — | 1,900 | 567,283 |
| 1999 | — | 64,275 | — | — | — | 64,275 |
| 1998 | — | 162,050 | — | — | 34,000 | 253,050 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.