PlainEnviro

Genco

1 facility · 1 state · 1.8M lbs total releases

According to the EPA Toxics Release Inventory, Genco is the reported parent of 1 Form R facility across 1 state, disclosing 1.8M lbs of toxic releases. 3 of 21 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is South Carolina (1.8M lbs). Those TRI figures remain self-reported disclosure pounds for Genco, including carcinogen-flagged substances, not a measured public-health risk score.

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Release-over-release change

What changed for Genco: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+44.2%

1 facilities that filed in 2022 and 2023

Whole inventory

+44.2%

291.3 thousand lb → 420.1 thousand lb, every facility that filed

  • Genco's total reported releases rose from 291.3 thousand lb in 2022 to 420.1 thousand lb in 2023, based on EPA TRI filings.
  • Genco's off-site transfers rose from 132.2 thousand lb in 2022 to 236.0 thousand lb in 2023, based on EPA TRI filings.
  • Genco's air releases rose from 117.0 thousand lb in 2022 to 147.3 thousand lb in 2023, based on EPA TRI filings.
  • Genco's water releases fell from 42.1 thousand lb in 2022 to 36.8 thousand lb in 2023, based on EPA TRI filings.

TRI parent disclosure trail

Read Genco from filing to facility

Genco maps to a single Form R site (Dominion Energy of South Carolina - Williams Station Genco) in South Carolina. Open that filing for the chemical mix; pounds stay disclosure, not risk.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026

Total Releases
1.8M lbs
Facilities
1
Chemicals
21
Carcinogens
3

Largest Form R sites under this parent: Dominion Energy of South Carolina - Williams Station Genco. Neighbor parents on the disclosure ladder: Nucor Corp; International Paper Co. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Zinc compounds; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds. Heaviest-reporting states in this extract: South Carolina. Industry labels on the parent rollup: Electric Utilities.

Genco ranks #492 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Genco's TRI Form R footprint is concentrated in a single state (South Carolina), so statewide context matters more than a multi-state portfolio read. This parent maps to a single reporting facility (Dominion Energy of South Carolina - Williams Station Genco), so the company total and that site's Form R are the same disclosure.

Parent aggregation for Genco follows facility-reported names. Compare the named neighbors (Nucor Corp; International Paper Co) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.

Where Genco sits among TRI parents

Genco sits on a disclosure ladder beside Nucor Corp and International Paper Co. Open those parents for a different facility count, state span, and chemical mix.

Higher disclosed volume

Largest chemicals disclosed by Genco

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Zinc compounds; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds lead the Form R pound rollup for this parent, including filings such as Dominion Energy of South Carolina - Williams Station Genco. Pound totals, not toxicity-weighted risk.

Chemical Disclosed lbs
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 463.7K lbs
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 201.7K lbs
Zinc compounds 189.0K lbs
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 148.6K lbs
Barium And Barium Compounds 143.2K lbs

Facilities (1)

Facility Releases
Dominion Energy of South Carolina - Williams Station Genco Goose Creek, SC 1.8M lbs

Frequently Asked Questions

How much pollution does Genco release?
Genco discloses 1.8M lbs across 1 facility. On the ladder it sits near Nucor Corp and International Paper Co. Genco ranks #492 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set.
How many facilities does Genco operate?
Genco maps to 1 facility in South Carolina, including Dominion Energy of South Carolina - Williams Station Genco. This parent maps to a single reporting facility (Dominion Energy of South Carolina - Williams Station Genco), so the company total and that site's Form R are the same disclosure.
What industries and chemicals show up for Genco?
Genco's disclosed pounds sit inside a single reported industry label: Electric Utilities. Genco's largest disclosed chemicals by pounds are Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Zinc compounds, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium And Barium Compounds (none of those top chemicals carry a carcinogen flag in this extract). Neighbor parents: Nucor Corp; International Paper Co.
Does Genco release carcinogens?
Yes - 3 carcinogen-flagged substances appear in the extract. Largest by pounds include Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Zinc compounds; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds.

Compare beyond the release ladder

Nationwide peers by disclosed pounds & facility count

Cross-portfolio TRI parents nearest Genco on total disclosed release pounds (1.8M lbs) and reporting facility count (1). Release-volume peers include Silgan Holdings Inc, General Dynamics Corp, Bridgestone Americas 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.

About This Data

EPA TRI parent totals cover all media. This extract's heaviest states for the parent are South Carolina; facility-reported names can vary across subsidiaries.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files

What to do with Genco's TRI parent record

From Genco, open Dominion Energy of South Carolina - Williams Station Genco or compare against Nucor Corp rather than reading rank alone.

  • Open the largest Form R site for Genco (Dominion Energy of South Carolina - Williams Station Genco in SC). Largest facility
  • Compare against International Paper Co, the next-higher disclosed-volume parent. Higher-volume parent
  • Browse the full parent release ranking to see where Genco sits among all slug-merged TRI parents. All parent companies

Rank and peers (Nucor Corp, International Paper Co) are disclosure volume only, not toxicity-weighted risk or enforcement status.

Use and verify this record

Genco'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

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.