EPA TRI Facility · Electric Utilities
Vienna Generating Station
Vienna, MD · Parent: Nrg Energy Inc
- Total releases
- 12 lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Vienna Generating Station: how the 12 lbs splits
12 lbs across all reported pathways
- Off-site Transfers 9 lbs 79.7%
- Air Releases 2 lbs 20.3%
Vienna Generating Station's 12 lbs Form-R total is OFFSITE - off-site transfers is 79.7% of the bar. Next segment: air releases at 20.3%. Leading chemical by pounds: Polycyclic aromatic compounds.
TRACE volume OFFSITE pathway CARC-HEAVY
Vienna Generating Station is an EPA Toxics Release Inventory reporter in Vienna, MD, in the electric utilities sector. It reported 0 lbs of releases across 2 chemicals in 2024, and 12 lbs in total across its 2019-2024 reporting years. That ranks 18,419 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Maryland's 152 reporting TRI sites, pounds #1 is not chemical-count #1. Vienna Generating Station is pounds #117 and chemical-count #103 at 12 lbs. Darling Ingredients Inc.- Linkwood Facility leads reported pounds (9.1M lbs) at 4 chemicals (chemical-count #37). Brandon Shores & Wagner Complex leads chemical count at 27 chemicals (560.1K lbs, pounds #9). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Darling Ingredients Inc.- Linkwood Facility; Reliance Treated Wood; Valpac Inc.; Plymouth Tube Co. Similar-scale Electric Utilities peers outside Maryland: Duke Energy Florida Llc-Intercession City Power Plant; Martins Creek Steam Electric Station; Commonwealth Utilities Corp (cuc); Astoria Generating Station. Other Nrg Energy Inc sites in this extract: W.a. Parish Electric Generating Station; Limestone Electric Generating Station; Homer City Generation LP; Waukegan Generating Station. Largest disclosed chemicals by pounds: Polycyclic aromatic compounds; Benzo[g,h,i]perylene.
Vienna Generating Station stamps TRACE volume with a dominant OFFSITE pathway (79.7% off-site transfers) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 12 lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Duke Energy Florida Llc-Intercession City Power Plant and Martins Creek Steam Electric Station.
Vienna Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
12 lbs 29th percentile higher than 29% of 25,986 reporting TRI facilities
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
Vienna Generating Station in the Electric Utilities sector extract
Among the 513 Electric Utilities facilities in this database, Vienna Generating Station reports the 462nd-largest volume (12 lbs). Scale peers outside Maryland include Duke Energy Florida Llc-Intercession City Power Plant and Martins Creek Steam Electric Station.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Vienna Generating Station Form-R facts
Compare this facility
See how Vienna Generating Station stacks up against nearby facilities and the typical reporter.
100% less than the comparison
50% less 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 Vienna Generating Station releases toxic chemicals into the environment. Total: 12 lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 97% (7 lbs to 0 lbs).
Vienna Generating Station: annual Form-R pounds
TRACE site · OFFSITE pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Vienna Generating Station year-over-year reported totals (decreased by 97% from 2019 to 2024). 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: Polycyclic aromatic compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 7 lbs | 2 |
| 2020 | 2 lbs | 2 |
| 2021 | 1 lbs | 2 |
| 2022 | 1 lbs | 2 |
| 2023 | 0 lbs | 2 |
| 2024 | 0 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 2 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Polycyclic aromatic compounds | 11 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 1 lbs | - |
Vienna Generating Station · OFFSITE-pathway site
Nearest TRI Facilities to Vienna Generating Station
Closest other reporters in Maryland - including Darling Ingredients Inc.- Linkwood Facility, Reliance Treated Wood, Valpac Inc., ordered by distance.
Showing 8 of 151 other reporting facilities in Maryland.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Maryland - e.g. Duke Energy Florida Llc-Intercession City Power Plant, Martins Creek Steam Electric Station, Commonwealth Utilities Corp (cuc).
Other Nrg Energy Inc Facilities
Same-parent TRI sites ranked by reported releases - including W.a. Parish Electric Generating Station, Limestone Electric Generating Station, Homer City Generation LP.
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 Polycyclic aromatic compounds, Benzo[g,h,i]perylene; nearby reporters include Darling Ingredients Inc.- Linkwood Facility. Vienna Generating Station stamps TRACE volume · OFFSITE pathway · CARC-HEAVY 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 Vienna Generating Station TRI extract (TRACE · OFFSITE · CARC-HEAVY · lead Polycyclic aromatic compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Vienna Generating Station totals are self-reported EPCRA §313 estimates for Vienna, MD, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 221112 · Electric Utilities. 0.0% of Dorchester TRI pounds in this extract. Nearest ABS peer: Oldcastle Precast Inc (Δ 0 lbs). Pounds ≠ exposure.
Vienna Generating Station stamps TRACE volume · OFFSITE pathway · CARC-HEAVY · lead Polycyclic aromatic compounds. 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