EPA TRI Facility · Electric Utilities
Montville Power LLC
Uncasville, CT · Parent: Arclight Energy Partners Fund VII LP
- Total releases
- 55 lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Montville Power LLC: how the 55 lbs splits
55 lbs across all reported pathways
- Off-site Transfers 55 lbs 98.6%
- Water Discharges 1 lbs 1.3%
- Air Releases 0 lbs 0.2%
Montville Power LLC's 55 lbs Form-R total is OFFSITE - off-site transfers is 98.6% of the bar. Next segment: water discharges at 1.3%. Leading chemical by pounds: Polycyclic aromatic compounds.
TRACE volume OFFSITE pathway CARC-HEAVY
Montville Power LLC is an EPA Toxics Release Inventory reporter in Uncasville, CT, in the electric utilities sector. It reported 0 lbs of releases across 2 chemicals in 2024, and 55 lbs in total across its 2019-2024 reporting years. That ranks 17,108 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Connecticut's 240 reporting TRI sites, pounds #1 is not chemical-count #1. Montville Power LLC is pounds #187 and chemical-count #164 at 55 lbs. Clean Harbors of Connecticut Inc leads reported pounds (1.5M lbs) at 15 chemicals (chemical-count #2). Allnex USA Inc. Wallingford Ct Site leads chemical count at 19 chemicals (436.7K lbs, pounds #3). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Americas Styrenics Allyns Point Plant; US Dod-Naval Submarine Base New London; US Coast Guard Academy; Sheffield Pharmaceuticals LLC. Similar-scale Electric Utilities peers outside Connecticut: Northeast Generating Station; City Point Energy Center; Roseton Generating LLC; Oswego Harbor Power. Other Arclight Energy Partners Fund VII LP sites in this extract: Middletown Power LLC; Kearny Generating Station; Bridgeport Harbor Station Unit 5; Oswego Harbor Power. Largest disclosed chemicals by pounds: Polycyclic aromatic compounds; Benzo[g,h,i]perylene.
Montville Power LLC stamps TRACE volume with a dominant OFFSITE pathway (98.6% off-site transfers) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 55 lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Northeast Generating Station and City Point Energy Center.
Montville Power LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
55 lbs 34th percentile higher than 34% 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
Montville Power LLC in the Electric Utilities sector extract
Among the 513 Electric Utilities facilities in this database, Montville Power LLC reports the 436th-largest volume (55 lbs). Scale peers outside Connecticut include Northeast Generating Station and City Point Energy Center.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Montville Power LLC Form-R facts
Compare this facility
See how Montville Power LLC stacks up against nearby facilities and the typical reporter.
100% less than the comparison
33% 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 Montville Power LLC releases toxic chemicals into the environment. Total: 55 lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 93% (2 lbs to 0 lbs).
Montville Power LLC: 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 Montville Power LLC year-over-year reported totals (decreased by 93% 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 | 2 lbs | 2 |
| 2020 | 5 lbs | 2 |
| 2021 | 16 lbs | 2 |
| 2022 | 21 lbs | 2 |
| 2023 | 12 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 | 55 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 1 lbs | - |
Montville Power LLC · OFFSITE-pathway site
Nearest TRI Facilities to Montville Power LLC
Closest other reporters in Connecticut - including Americas Styrenics Allyns Point Plant, US Dod-Naval Submarine Base New London, US Coast Guard Academy, ordered by distance.
Showing 8 of 239 other reporting facilities in Connecticut.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Connecticut - e.g. Northeast Generating Station, City Point Energy Center, Roseton Generating LLC.
Other Arclight Energy Partners Fund VII LP Facilities
Same-parent TRI sites ranked by reported releases - including Middletown Power LLC, Kearny Generating Station, Bridgeport Harbor Station Unit 5.
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 Americas Styrenics Allyns Point Plant. Montville Power LLC 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 Montville Power LLC 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.
Montville Power LLC totals are self-reported EPCRA §313 estimates for Uncasville, CT, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 221112 · Electric Utilities. 0.0% of New London TRI pounds in this extract. Nearest ABS peer: Polkville Crushed Stone/suit-Kote Terminal (Δ 0 lbs). Pounds ≠ exposure.
Montville Power LLC 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