Total reported releases
Total reported releases at Duke Energy Carolinas LLC - Allen Steam Station have more than three-quarters since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Duke Energy Carolinas LLC - Allen Steam Station
Total reported releases 14k lb rose sharply year over year (+67%). Total releases concentrations have more than halved since 2010.
253 PLANT ALLEN RD, Belmont, North Carolina · 221112 · Electric Utilities · operated by Duke Energy CORP
Anomaly engine
Notable Signals
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at Duke Energy Carolinas LLC - Allen Steam Station have more than three-quarters since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than halved since 2010.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.
Ammonia
Ammonia concentrations have more than halved since 2010.
Mercury And Mercury Compounds
Mercury And Mercury Compounds concentrations have more than halved since 2010.
Polycyclic aromatic compounds
Polycyclic aromatic compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Benzo[g,h,i]perylene
Benzo[g,h,i]perylene volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (12 Census block groups, population-weighted demographics): a population of 19,997. Why we surface this →
12.2%
Low-income
40.1%
People of color
8.3%
Under age 5
11.4%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.