Duke Energy Corp
25 facilities · 6 states · 57.7M lbs total releases
According to the EPA Toxics Release Inventory, Duke Energy Corp is the reported parent of 25 Form R facilities across 6 states, disclosing 57.7M lbs of toxic releases. 12 of 327 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Indiana (26.6M lbs). Those TRI figures remain self-reported disclosure pounds for Duke Energy Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Duke Energy Corp: EPA TRI 2023 reporting year
Same facilities, both years
-2.6%
17 facilities that filed in 2022 and 2023
Whole inventory
-2.6%
9.7 million lb → 9.5 million lb, every facility that filed
Between the two reporting years, 0 facilities filed for the first time and 6 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Duke Energy Corp's total reported releases fell from 9.7 million lb in 2022 to 9.5 million lb in 2023, based on EPA TRI filings.
- Duke Energy Corp's water releases fell from 96.4 thousand lb in 2022 to 62.2 thousand lb in 2023, based on EPA TRI filings.
- Duke Energy Corp's off-site transfers fell from 595.0 thousand lb in 2022 to 478.1 thousand lb in 2023, based on EPA TRI filings.
- Duke Energy Corp's air releases fell from 3.0 million lb in 2022 to 2.7 million lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Duke Energy Corp from filing to facility
Largest Form R sites under this parent: Gibson Generating Station; Duke Energy Indiana Inc. Cayuga Generating Station; Duke Energy Carolinas LLC - Marshall Steam Station; Duke Energy Progress LLC - Roxboro Steam Electric Plant. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; US Steel Corp; Sabic US Holdings LP; Heritage Environmental Services Inc.. 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)); Vanadium compounds; Zinc compounds; Barium And Barium Compounds. Heaviest-reporting states in this extract: Indiana; North Carolina; Kentucky. 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: Gibson Generating Station; Duke Energy Indiana Inc. Cayuga Generating Station; Duke Energy Carolinas LLC - Marshall Steam Station; Duke Energy Progress LLC - Roxboro Steam Electric Plant. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; US Steel Corp; Sabic US Holdings LP; Heritage Environmental Services Inc.. 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)); Vanadium compounds; Zinc compounds; Barium And Barium Compounds. Heaviest-reporting states in this extract: Indiana; North Carolina; Kentucky. Industry labels on the parent rollup: Electric Utilities.
Duke Energy Corp ranks #35 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Duke Energy Corp spans 6 states in this extract, placing it among the broader national TRI parent footprints. Duke Energy Corp's disclosed pounds are spread across 25 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Duke Energy Corp follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; US Steel Corp; Sabic US Holdings LP) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Duke Energy Corp sits among TRI parents
Duke Energy Corp sits on a disclosure ladder beside Cleveland-Cliffs Inc and US Steel Corp and Sabic US Holdings LP and Heritage Environmental Services Inc.. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #33 · 131.7M lbs
- US Steel Corp · rank #34 · 79.2M lbs
Lower disclosed volume
- Sabic US Holdings LP · rank #36 · 27.7M lbs
- Heritage Environmental Services Inc. · rank #37 · 25.3M lbs
Largest chemicals disclosed by Duke Energy Corp
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)); Vanadium compounds; Zinc compounds; Barium And Barium Compounds lead the Form R pound rollup for this parent, including filings such as Gibson Generating 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) | 11.2M lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 9.0M lbs |
| Vanadium compounds | 6.1M lbs |
| Zinc compounds | 6.0M lbs |
| Barium And Barium Compounds | 3.3M lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Indiana | 4 | 26.6M lbs |
| North Carolina | 11 | 24.1M lbs |
| Kentucky | 1 | 4.1M lbs |
| Florida | 5 | 2.5M lbs |
| South Carolina | 3 | 352.2K lbs |
| Ohio | 1 | 13 lbs |
Facilities (25)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Duke Energy Corp on total disclosed release pounds (57.7M lbs) and reporting facility count (25). Release-volume peers include Chevron Corp, Smurfit Westrock U.S. Holding Co, Jbs USA Food Co. Facility-count peers include Ametek Inc, Arkema Delaware Inc, Berkshire Hathaway. 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 Indiana, North Carolina, Kentucky; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Duke Energy Corp's TRI parent record
From Duke Energy Corp, open Gibson Generating Station or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Duke Energy Corp (Gibson Generating Station in IN). Largest facility
- Compare against US Steel Corp, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Duke Energy Corp sits among all slug-merged TRI parents. All parent companies
Rank and peers (Cleveland-Cliffs Inc, US Steel Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Duke Energy Corp'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.