EPA TRI Facility · Electric Utilities
Jeffrey Energy Center
Saint Marys, KS · Parent: Evergy Inc
- Total releases
- 8.9M lbs
- Chemicals reported
- 24
- Carcinogens
- 5
- Primary pathway
- Land Disposal
LAND Form-R mix
Jeffrey Energy Center: how the 8.9M lbs splits
8.9M lbs across all reported pathways
- Land Disposal 7.9M lbs 89.5%
- Air Releases 919.1K lbs 10.4%
- Water Discharges 9.0K lbs 0.1%
Jeffrey Energy Center's 8.9M lbs Form-R total is LAND - land disposal is 89.5% of the bar. Next segment: air releases at 10.4%. Leading chemical by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
HEAVY volume LAND pathway TRACE-CARC
Jeffrey Energy Center is an EPA Toxics Release Inventory reporter in Saint Marys, KS, in the electric utilities sector. It reported 1.2M lbs of releases across 17 chemicals in 2023, and 8.9M lbs in total across its 2019-2023 reporting years. That ranks 240 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Kansas's 317 reporting TRI sites, pounds #1 is not chemical-count #1. Jeffrey Energy Center is pounds #3 and chemical-count #7 at 8.9M lbs. Ecovyst Catalyst Technologies LLC leads reported pounds (19.3M lbs) at 9 chemicals (chemical-count #32). Ash Grove Cement Co leads chemical count at 45 chemicals (929.5K lbs, pounds #26). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Onyx Collection Inc; Plant #1; Caterpillar Work Tools & Services; Oldcastle Precast Inc. Similar-scale Electric Utilities peers outside Kansas: Public Service Co of Colorado Comanche Station; Midamerican Energy Co Walter Scott Jr Energy Center; San Miguel Electric Cooperative Inc; Conemaugh Generating Station. Other Evergy Inc sites in this extract: Iatan Generating Station; La Cygne Generating Station; Lawrence Energy Center; Hawthorn Generating Station. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Ammonia; Vanadium compounds.
Jeffrey Energy Center stamps HEAVY volume with a dominant LAND pathway (89.5% land disposal) across 24 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 8.9M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Public Service Co of Colorado Comanche Station and Midamerican Energy Co Walter Scott Jr Energy Center.
Jeffrey Energy Center vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
8.9M lbs Top 1% higher than 99% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Jeffrey Energy Center inside Pottawatomie's TRI pounds
Among the 513 Electric Utilities facilities in this database, Jeffrey Energy Center reports the 33rd-largest volume, placing it in the top 6.4% of its sector. This one site accounts for 71.6% of every pound reported in Pottawatomie. Scale peers outside Kansas include Public Service Co of Colorado Comanche Station and Midamerican Energy Co Walter Scott Jr Energy Center.
County-dominant here means ≥25% of Pottawatomie's reported pounds (12.4M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Jeffrey Energy Center's total reported releases fell from 2.5 million lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
- Jeffrey Energy Center's land releases fell from 2.3 million lb in 2022 to 1.0 million lb in 2023, based on EPA TRI filings.
- Jeffrey Energy Center's air releases fell from 212.1 thousand lb in 2022 to 124.7 thousand lb in 2023, based on EPA TRI filings.
Jeffrey Energy Center Form-R facts
Compare this facility
See how Jeffrey Energy Center stacks up against nearby facilities and the typical reporter.
2.6× more than the comparison
24.0× more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Jeffrey Energy Center releases toxic chemicals into the environment. Total: 8.9M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 24% (1.5M lbs to 1.2M lbs).
Jeffrey Energy Center: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023 1
What this shows Jeffrey Energy Center year-over-year reported totals (decreased by 24% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.5M lbs | 17 |
| 2020 | 1.5M lbs | 17 |
| 2021 | 2.1M lbs | 17 |
| 2022 | 2.5M lbs | 17 |
| 2023 | 1.2M lbs | 17 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 5 of 24 chemicals are carcinogens. Sorted by total release volume.
Jeffrey Energy Center · LAND-pathway site
Nearest TRI Facilities to Jeffrey Energy Center
Closest other reporters in Kansas - including Onyx Collection Inc, Plant #1, Caterpillar Work Tools & Services, ordered by distance.
Showing 8 of 316 other reporting facilities in Kansas.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Kansas - e.g. Public Service Co of Colorado Comanche Station, Midamerican Energy Co Walter Scott Jr Energy Center, San Miguel Electric Cooperative Inc.
Compare beyond Kansas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Jeffrey Energy Center on cumulative reported pounds (8.9M lbs) and distinct chemical count (24). Release-pound peers include Sanders Lead Co Inc., Basf Corp, US Navy Psns & Imf - Bremerton Site & Naval Base Kitsap. Chemical-count peers include Duke Energy Carolinas LLC - Belews Creek Steam Station, Kapstone Paper & Packaging Corp, Georgia-Pacific Cedar Springs LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Duke Energy Carolinas LLC - Belews Creek Steam Station Walnut Cove, NC · Electric Utilities 24 chemicals
- Kapstone Paper & Packaging Corp North Charleston, SC · Paper 24 chemicals
- Georgia-Pacific Cedar Springs LLC Cedar Springs, GA · Paper 24 chemicals
- International Paper Pensacola Mill Cantonment, FL · Paper 24 chemicals
Other Evergy Inc Facilities
Same-parent TRI sites ranked by reported releases - including Iatan Generating Station, La Cygne Generating Station, Lawrence Energy Center.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Barium And Barium Compounds, Ammonia, Vanadium compounds; nearby reporters include Onyx Collection Inc. Jeffrey Energy Center stamps HEAVY volume · LAND pathway · TRACE-CARC carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Jeffrey Energy Center TRI extract (HEAVY · LAND · TRACE-CARC · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7))) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Jeffrey Energy Center totals are self-reported EPCRA §313 estimates for Saint Marys, KS, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 71.6% of Pottawatomie TRI pounds in this extract. Nearest ABS peer: Sanders Lead Co Inc. (Δ 5.8K lbs). Pounds ≠ exposure.
Jeffrey Energy Center stamps HEAVY volume · LAND pathway · TRACE-CARC · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7)). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov