Dominion Energy Inc
20 facilities · 4 states · 11.2M lbs total releases
According to the EPA Toxics Release Inventory, Dominion Energy Inc is the reported parent of 20 Form R facilities across 4 states, disclosing 11.2M lbs of toxic releases. 10 of 179 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is West Virginia (5.6M lbs). Those TRI figures remain self-reported disclosure pounds for Dominion Energy Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Dominion Energy Inc: EPA TRI 2023 reporting year
Same facilities, both years
-31.7%
16 facilities that filed in 2022 and 2023
Whole inventory
-31.7%
2.3 million lb → 1.6 million lb, every facility that filed
Between the two reporting years, 1 facility filed for the first time and 3 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Dominion Energy Inc's total reported releases fell from 2.3 million lb in 2022 to 1.6 million lb in 2023, based on EPA TRI filings.
- Dominion Energy Inc's off-site transfers fell from 46.6 thousand lb in 2022 to 295 lb in 2023, based on EPA TRI filings.
- Dominion Energy Inc's land releases fell from 1.4 million lb in 2022 to 984.7 thousand lb in 2023, based on EPA TRI filings.
- Dominion Energy Inc's air releases fell from 819.5 thousand lb in 2022 to 592.2 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Dominion Energy Inc from filing to facility
Largest Form R sites under this parent: Mount Storm Power Station; Virginia City Hybrid Energy Center; Chesterfield Power Station; Clover Power Station. Neighbor parents on the disclosure ladder: Firstenergy Corp; American Electric Power; The Chemours Co; Mountain State Energy Holdings LLC. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds; Ammonia; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Vanadium compounds. Heaviest-reporting states in this extract: West Virginia; Virginia; South Carolina. 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: Mount Storm Power Station; Virginia City Hybrid Energy Center; Chesterfield Power Station; Clover Power Station. Neighbor parents on the disclosure ladder: Firstenergy Corp; American Electric Power; The Chemours Co; Mountain State Energy Holdings LLC. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds; Ammonia; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Vanadium compounds. Heaviest-reporting states in this extract: West Virginia; Virginia; South Carolina. Industry labels on the parent rollup: Electric Utilities.
Dominion Energy Inc ranks #147 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Dominion Energy Inc files across 4 states, a regional parent portfolio rather than a single-state discloser. Dominion Energy Inc's disclosed pounds are spread across 20 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Dominion Energy Inc follows facility-reported names. Compare the named neighbors (Firstenergy Corp; American Electric Power; The Chemours Co) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Dominion Energy Inc sits among TRI parents
Dominion Energy Inc sits on a disclosure ladder beside Firstenergy Corp and American Electric Power and The Chemours Co and Mountain State Energy Holdings LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Firstenergy Corp · rank #145 · 38.5M lbs
- American Electric Power · rank #146 · 22.7M lbs
Lower disclosed volume
- The Chemours Co · rank #148 · 7.0M lbs
- Mountain State Energy Holdings LLC · rank #149 · 3.3M lbs
Largest chemicals disclosed by Dominion Energy Inc
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds; Ammonia; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Vanadium compounds lead the Form R pound rollup for this parent, including filings such as Mount Storm Power Station. 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) | 1.7M lbs |
| Barium And Barium Compounds | 1.6M lbs |
| Ammonia | 1.2M lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1.2M lbs |
| Vanadium compounds | 1.0M lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| West Virginia | 1 | 5.6M lbs |
| Virginia | 14 | 3.9M lbs |
| South Carolina | 4 | 1.7M lbs |
| North Carolina | 1 | 0 lbs |
Facilities (20)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Dominion Energy Inc on total disclosed release pounds (11.2M lbs) and reporting facility count (20). Release-volume peers include Omaha Public Power District, Suncoke Energy Inc, Dupont de Nemours Inc. Facility-count peers include Evonik Corp, Koch Foods Inc, Mdu Resources Group 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 West Virginia, Virginia, South Carolina; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Dominion Energy Inc's TRI parent record
From Dominion Energy Inc, open Mount Storm Power Station or compare against Firstenergy Corp rather than reading rank alone.
- Open the largest Form R site for Dominion Energy Inc (Mount Storm Power Station in WV). Largest facility
- Compare against American Electric Power, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Dominion Energy Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Firstenergy Corp, American Electric Power) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Dominion 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.