Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LA CYGNE GENERATING STATION
25166 E 2200 RD, LACYGNE, KS, 66040
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Manganese compounds | Hydrogen fluoride | Total (lbs) |
| 2024 | — | 715,752 | 1,826 | — | 9,800 | 880,296 |
| 2023 | — | 904,153 | 137 | — | 11,951 | 1,111,579 |
| 2022 | — | 922,655 | 4,015 | — | 11,872 | 1,142,061 |
| 2021 | 939,002 | — | 7,264 | 47,796 | 11,529 | 1,171,828 |
| 2020 | 752,082 | — | 4,227 | 38,815 | 10,856 | 928,595 |
| 2019 | 895,550 | — | 16,758 | 48,026 | 10,526 | 1,136,462 |
| 2018 | 690,853 | — | 11,319 | 37,158 | 9,728 | 886,568 |
| 2017 | 425,922 | — | 8,263 | 25,798 | 11,261 | 647,595 |
| 2016 | 1,492,462 | — | 11,014 | 90,060 | 22,752 | 2,121,921 |
| 2015 | 1,042,026 | — | 8,003 | 62,963 | 18,919 | 1,499,623 |
| 2014 | 852,831 | — | 73,700 | 51,471 | 39,700 | 1,414,259 |
| 2013 | 1,401,415 | — | 230,000 | 83,391 | 40,000 | 2,251,677 |
| 2012 | 1,207,420 | — | 250,000 | 70,131 | 50,000 | 2,019,526 |
| 2011 | 1,901,371 | — | 293,000 | 115,257 | 46,000 | 2,983,411 |
| 2010 | 2,206,010 | — | 330,000 | 130,801 | 110,000 | 3,482,901 |
| 2009 | 2,235,008 | — | 200,005 | 132,200 | 110,000 | 3,299,740 |
| 2008 | 1,940,012 | — | 300,005 | 112,001 | 130,000 | 2,982,082 |
| 2007 | 1,000,014 | — | 260,005 | 46,701 | 22,000 | 1,603,742 |
| 2006 | 1,727,005 | — | 17,005 | 79,600 | 20,000 | 2,287,659 |
| 2005 | 1,323,008 | — | 53,005 | 62,500 | — | 1,758,609 |
| 2004 | 1,530,005 | — | 26,005 | 73,800 | — | 1,957,483 |
| 2003 | 1,935,019 | — | 33,005 | 92,001 | 130,000 | 2,721,288 |
| 2002 | 2,242,019 | — | 25,005 | 101,101 | 180,000 | 2,916,031 |
| 2001 | 1,632,005 | — | 22,005 | 73,600 | 160,000 | 2,172,465 |
| 2000 | 2,352,005 | — | 17,005 | 102,205 | 170,000 | 3,013,165 |
| 1999 | 2,451,250 | — | 21,005 | 101,705 | 160,000 | 3,005,860 |
| 1998 | 1,766,010 | — | 12,005 | 78,920 | 140,000 | 2,234,315 |
▎ 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.