Nrg Energy Inc
8 facilities · 5 states · 23.0M lbs total releases
According to the EPA Toxics Release Inventory, Nrg Energy Inc is the reported parent of 8 Form R facilities across 5 states, disclosing 23.0M lbs of toxic releases. 7 of 88 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Texas (16.2M lbs). Those TRI figures remain self-reported disclosure pounds for Nrg Energy Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Nrg Energy Inc: EPA TRI 2023 reporting year
Same facilities, both years
-34.7%
6 facilities that filed in 2022 and 2023
Whole inventory
-34.8%
5.6 million lb → 3.7 million lb, every facility that filed
Between the two reporting years, 0 facilities filed for the first time and 2 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Nrg Energy Inc's total reported releases fell from 5.6 million lb in 2022 to 3.7 million lb in 2023, based on EPA TRI filings.
- Nrg Energy Inc's land releases fell from 4.6 million lb in 2022 to 2.6 million lb in 2023, based on EPA TRI filings.
- Nrg Energy Inc's water releases rose from 54.8 thousand lb in 2022 to 73.2 thousand lb in 2023, based on EPA TRI filings.
- Nrg Energy Inc's chemicals reported fell from 20 in 2022 to 18 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Nrg Energy Inc from filing to facility
Largest Form R sites under this parent: W.a. Parish Electric Generating Station; Limestone Electric Generating Station; Homer City Generation LP; Waukegan Generating Station. Neighbor parents on the disclosure ladder: Targa Resources Corp; Ineos US I Inc; Montgomery County Environmental Solutions LLC; Graphic Packaging Holding Co. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Manganese compounds; Hydrogen fluoride; Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Texas; Pennsylvania; Illinois. Industry labels on the parent rollup: Electric Utilities. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: W.a. Parish Electric Generating Station; Limestone Electric Generating Station; Homer City Generation LP; Waukegan Generating Station. Neighbor parents on the disclosure ladder: Targa Resources Corp; Ineos US I Inc; Montgomery County Environmental Solutions LLC; Graphic Packaging Holding Co. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Manganese compounds; Hydrogen fluoride; Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Texas; Pennsylvania; Illinois. Industry labels on the parent rollup: Electric Utilities.
Nrg Energy Inc ranks #84 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Nrg Energy Inc files across 5 states, a regional parent portfolio rather than a single-state discloser. Nrg Energy Inc's disclosed pounds are spread across 8 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Nrg Energy Inc follows facility-reported names. Compare the named neighbors (Targa Resources Corp; Ineos US I Inc; Montgomery County Environmental Solutions LLC) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Nrg Energy Inc sits among TRI parents
Nrg Energy Inc sits on a disclosure ladder beside Targa Resources Corp and Ineos US I Inc and Montgomery County Environmental Solutions LLC and Graphic Packaging Holding Co. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Targa Resources Corp · rank #82 · 105.5M lbs
- Ineos US I Inc · rank #83 · 94.2M lbs
Lower disclosed volume
- Montgomery County Environmental Solutions LLC · rank #85 · 18.3M lbs
- Graphic Packaging Holding Co · rank #86 · 17.5M lbs
Largest chemicals disclosed by Nrg Energy Inc
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Manganese compounds; Hydrogen fluoride; Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) lead the Form R pound rollup for this parent, including filings such as W.a. Parish Electric Generating Station. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 10.4M lbs |
| Manganese compounds | 6.3M lbs |
| Hydrogen fluoride | 1.9M lbs |
| Ammonia | 1.0M lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 882.9K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Texas | 2 | 16.2M lbs |
| Pennsylvania | 1 | 6.1M lbs |
| Illinois | 3 | 757.0K lbs |
| Delaware | 1 | 19.7K lbs |
| Maryland | 1 | 12 lbs |
Facilities (8)
| Facility | Releases |
|---|---|
| W.a. Parish Electric Generating Station Thompsons, TX | 9.4M lbs |
| Limestone Electric Generating Station Jewett, TX | 6.8M lbs |
| Homer City Generation LP Homer City, PA | 6.1M lbs |
| Waukegan Generating Station Waukegan, IL | 555.6K lbs |
| Powerton Generating Station Pekin, IL | 179.1K lbs |
| Will County Generating Station Romeoville, IL | 22.3K lbs |
| Indian River Generating Station Dagsboro, DE | 19.7K lbs |
| Vienna Generating Station Vienna, MD | 12 lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Nrg Energy Inc on total disclosed release pounds (23.0M lbs) and reporting facility count (8). Release-volume peers include Vibrantz Technologies Inc, Evergy Inc, Basin Electric Power Cooperative. Facility-count peers include Agropur Inc, Albemarle Corp, Allegheny Technologies Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Texas, Pennsylvania, Illinois; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Nrg Energy Inc's TRI parent record
From Nrg Energy Inc, open W.a. Parish Electric Generating Station or compare against Targa Resources Corp rather than reading rank alone.
- Open the largest Form R site for Nrg Energy Inc (W.a. Parish Electric Generating Station in TX). Largest facility
- Compare against Ineos US I Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Nrg Energy Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Targa Resources Corp, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Nrg Energy Inc's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.