EPA TRI Facility · Electric Utilities

Duke Energy Progress LLC - Roxboro Steam Electric Plant

Semora, NC · Parent: Duke Energy Corp

Total releases
5.4M lbs
Chemicals reported
22
Carcinogens
7
Primary pathway
Land Disposal

LAND Form-R mix

Duke Energy Progress LLC - Roxboro Steam Electric Plant: how the 5.4M lbs splits

5.4M lbs across all reported pathways

  • Land Disposal 4.7M lbs 87.0%
  • Air Releases 673.8K lbs 12.5%
  • Water Discharges 27.0K lbs 0.5%
  • Off-site Transfers 962 lbs <0.1%

Duke Energy Progress LLC - Roxboro Steam Electric Plant's 5.4M lbs Form-R total is LAND - land disposal is 87.0% of the bar. Next segment: air releases at 12.5%. 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 CARC-LEAN

Duke Energy Progress LLC - Roxboro Steam Electric Plant is an EPA Toxics Release Inventory reporter in Semora, NC, in the electric utilities sector. It reported 1.2M lbs of releases across 19 chemicals in 2023, and 5.4M lbs in total across its 2019-2023 reporting years. That ranks 400 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In North Carolina's 787 reporting TRI sites, pounds #1 is not chemical-count #1. Duke Energy Progress LLC - Roxboro Steam Electric Plant is pounds #13 and chemical-count #8 at 5.4M lbs. Befesa Zinc Metal LLC leads reported pounds (43.1M lbs) at 4 chemicals (chemical-count #158). Pcs Phosphate Co Inc leads chemical count at 29 chemicals (22.9M lbs, pounds #2). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Certainteed Gypsum Nc Inc; Sunrock Industries LLC - Woodsdale; Cpi USA North Carolina LLC; Eaton - Roxboro. Similar-scale Electric Utilities peers outside North Carolina: Weston Power Plant; Basin Electric Dry Fork Station; La Cygne Generating Station; Thomas Hill Energy Center. Other Duke Energy Corp sites in this extract: Gibson Generating Station; Duke Energy Indiana Inc. Cayuga Generating Station; Duke Energy Carolinas LLC - Marshall Steam Station; Duke Energy Kentucky Inc. East Bend Generating Station. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Vanadium compounds; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Zinc compounds.

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Duke Energy Progress LLC - Roxboro Steam Electric Plant stamps HEAVY volume with a dominant LAND pathway (87.0% land disposal) across 22 chemicals · 7 carcinogen-classified. Cumulative Form-R extract: 5.4M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Weston Power Plant and Basin Electric Dry Fork Station.

#400 of 25,986 TRI facilities nationwide by total reported releases - among the top 1.5% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Duke Energy Progress LLC - Roxboro Steam Electric Plant vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

5.4M lbs Top 2% higher than 98% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Duke Energy Progress LLC - Roxboro Steam Electric Plant inside Person's TRI pounds

Among the 513 Electric Utilities facilities in this database, Duke Energy Progress LLC - Roxboro Steam Electric Plant reports the 75th-largest volume, placing it in the top 14.6% of its sector. This one site accounts for 43.0% of every pound reported in Person. Scale peers outside North Carolina include Weston Power Plant and Basin Electric Dry Fork Station.

County-dominant here means ≥25% of Person's reported pounds (12.5M lbs county total). Shares only print when the site reports ≥1,000 lbs.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Duke Energy Progress LLC - Roxboro Steam Electric Plant's total reported releases rose from 938.0 thousand lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
  • Duke Energy Progress LLC - Roxboro Steam Electric Plant's off-site transfers rose from 36 lb in 2022 to 109 lb in 2023, based on EPA TRI filings.
  • Duke Energy Progress LLC - Roxboro Steam Electric Plant's land releases rose from 850.6 thousand lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
  • Duke Energy Progress LLC - Roxboro Steam Electric Plant's air releases fell from 82.7 thousand lb in 2022 to 70.5 thousand lb in 2023, based on EPA TRI filings.

Duke Energy Progress LLC - Roxboro Steam Electric Plant Form-R facts

Sector
Electric Utilities
HEAVY volume
5.4M lbs
LAND pathway
Land Disposal
CARC-LEAN chem count
22 · 7 carc.
Lead chemical
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))

Compare this facility

See how Duke Energy Progress LLC - Roxboro Steam Electric Plant stacks up against nearby facilities and the typical reporter.

Total reported releases
Duke Energy Progress LLC - Roxboro Steam Electric Plant
5.4M lbs
Certainteed Gypsum Nc Inc
3 lbs

1697551.0× more than the comparison

Chemicals reported
Duke Energy Progress LLC - Roxboro Steam Electric Plant
22
Certainteed Gypsum Nc Inc
2

11.0× 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 Duke Energy Progress LLC - Roxboro Steam Electric Plant releases toxic chemicals into the environment. Total: 5.4M lbs.

Land Disposal 4.7M lbs (87.0%)
Air Releases 673.8K lbs (12.5%)
Water Discharges 27.0K lbs (0.5%)
Off-site Transfers 962 lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases increased by 3% (1.2M lbs to 1.2M lbs).

Duke Energy Progress LLC - Roxboro Steam Electric Plant: annual Form-R pounds

HEAVY site · LAND pathway · TRI years 2019–2023

million lbs

What this shows Duke Energy Progress LLC - Roxboro Steam Electric Plant year-over-year reported totals (increased by 3% 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)).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 1.2M lbs 20
2020 957.9K lbs 19
2021 1.1M lbs 19
2022 938.0K lbs 19
2023 1.2M lbs 19

Chemical Releases

Aggregated across all reporting years (2019–2023). 7 of 22 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 1.8M lbs -
Vanadium compounds 682.2K lbs -
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 566.0K lbs -
Zinc compounds 424.0K lbs -
Manganese compounds 404.5K lbs -
Chromium compounds (except for chromite ore mined in the Transvaal Region) 342.3K lbs -
Copper compounds 341.4K lbs -
Nickel compounds 300.3K lbs Carcinogen
Cobalt compounds 147.5K lbs Carcinogen
Arsenic compounds 131.9K lbs Carcinogen
Lead And Lead Compounds 107.0K lbs -
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 70.0K lbs -
Lead compounds 62.4K lbs -
Ammonia 12.7K lbs -
Beryllium compounds 6.8K lbs Carcinogen
Hydrogen fluoride 6.3K lbs -
Mercury And Mercury Compounds 1.2K lbs -
Mercury compounds 753 lbs -
Naphthalene 75 lbs Carcinogen
Polycyclic aromatic compounds 17 lbs Carcinogen
Benzo[g,h,i]perylene 1 lbs -
Dioxin and dioxin-like compounds 0 lbs Carcinogen

Duke Energy Progress LLC - Roxboro Steam Electric Plant · LAND-pathway site

Semora, NC
36.4768, -79.0703
County TRI context
Person · 43.0% of county pounds
Parent company
Duke Energy Corp

Compare beyond North Carolina

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Duke Energy Progress LLC - Roxboro Steam Electric Plant on cumulative reported pounds (5.4M lbs) and distinct chemical count (22). Release-pound peers include Cleveland-Cliffs Riverdale LLC, Weston Power Plant, Madison Industries. Chemical-count peers include Seward Power Plant, Pixelle Specialty Solutions LLC, Envirite of Pennsylvania Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

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)), Vanadium compounds, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Zinc compounds; nearby reporters include Certainteed Gypsum Nc Inc. Duke Energy Progress LLC - Roxboro Steam Electric Plant stamps HEAVY volume · LAND pathway · CARC-LEAN 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 Duke Energy Progress LLC - Roxboro Steam Electric Plant TRI extract (HEAVY · LAND · CARC-LEAN · 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.

Duke Energy Progress LLC - Roxboro Steam Electric Plant totals are self-reported EPCRA §313 estimates for Semora, NC, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 43.0% of Person TRI pounds in this extract. Nearest ABS peer: Cleveland-Cliffs Riverdale LLC (Δ 5.8K lbs). Pounds ≠ exposure.

Duke Energy Progress LLC - Roxboro Steam Electric Plant stamps HEAVY volume · LAND pathway · CARC-LEAN · 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