Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
JEFFREY ENERGY CENTER
25905 JEFFREY RD, SAINT MARYS, KS, 66536
Parent company: EVERGY INC
Carcinogen
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 compounds (except for barium sulfate (CAS No. 7727-43-7)) | Barium And Barium Compounds | Manganese compounds | Ammonia | Hydrogen fluoride | Total (lbs) |
| 2024 | — | 758,539 | — | 157,044 | 10,309 | 1,063,534 |
| 2023 | — | 891,954 | — | 108,020 | 11,038 | 1,168,595 |
| 2022 | — | 1,950,661 | — | 187,059 | 16,898 | 2,500,411 |
| 2021 | 1,648,169 | — | 79,714 | 187,962 | 16,034 | 2,144,403 |
| 2020 | 1,148,804 | — | 54,946 | 158,045 | 13,231 | 1,524,350 |
| 2019 | 1,152,371 | — | 56,907 | 164,936 | 13,059 | 1,539,381 |
| 2018 | 2,097,735 | — | 97,420 | 197,679 | 17,749 | 2,683,855 |
| 2017 | 2,043,998 | — | 93,039 | 246,913 | 17,439 | 2,673,115 |
| 2016 | 1,267,505 | — | 56,065 | 191,461 | 15,927 | 1,702,289 |
| 2015 | 1,358,023 | — | 63,268 | 237,284 | 18,529 | 1,865,331 |
| 2014 | 1,560,266 | — | 71,288 | — | 18,839 | 1,896,474 |
| 2013 | 2,169,287 | — | 101,492 | — | 40,400 | 2,655,536 |
| 2012 | 1,476,121 | — | 72,466 | — | 34,900 | 1,822,006 |
| 2011 | 2,227,265 | — | 105,310 | — | 41,300 | 2,737,045 |
| 2010 | 1,839,270 | — | 90,050 | — | 41,400 | 2,286,686 |
| 2009 | 2,015,663 | — | 96,146 | — | 45,400 | 2,486,689 |
| 2008 | 1,379,425 | — | 57,982 | — | 106,000 | 1,901,462 |
| 2007 | 1,914,619 | — | 75,600 | — | 134,000 | 2,602,434 |
| 2006 | 1,385,023 | — | 54,959 | — | 127,000 | 1,958,841 |
| 2005 | 1,925,526 | — | 76,227 | — | 137,000 | 2,605,823 |
| 2004 | 1,133,788 | — | 100,170 | — | 95,600 | 1,664,884 |
| 2003 | 2,133,659 | — | 236,296 | — | 145,000 | 2,907,996 |
| 2002 | 2,104,518 | — | 233,410 | — | 150,000 | 2,876,566 |
| 2001 | 1,612,468 | — | 185,001 | — | 140,000 | 2,252,029 |
| 2000 | 1,753,500 | — | 201,550 | — | 140,000 | 2,419,685 |
| 1999 | 1,868,500 | — | 203,500 | — | 120,000 | 2,551,665 |
| 1998 | 1,488,750 | — | 165,250 | — | 120,000 | 2,138,765 |
▎ 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.