EPA TRI Facility · Electric Utilities
Ocean State Power
Harrisville, RI · Parent: Ls Power Development LLC
- Total releases
- 605.4K lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Ocean State Power: how the 777.0K lbs splits
777.0K lbs across all reported pathways
- Air Releases 777.0K lbs 100.0%
Ocean State Power's 777.0K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Ammonia.
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.
MID volume AIR pathway CARC-LEAN
Ocean State Power is an EPA Toxics Release Inventory reporter in Harrisville, RI, in the electric utilities sector. It reported 171.6K lbs of releases across 1 chemical in 2024, and 605.4K lbs in total across its 2019-2024 reporting years. That ranks 1,734 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Rhode Island's 75 reporting TRI sites, pounds #1 is not chemical-count #1. Ocean State Power is pounds #2 and chemical-count #40 at 605.4K lbs. Technic Inc Engineered Powders Div leads reported pounds (641.4K lbs) at 7 chemicals (chemical-count #8). Gannon & Scott leads chemical count at 17 chemicals (35 lbs, pounds #61). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Atlantic Footcare Inc; Custom Coatings Inc.; Duralectra-Chn LLC; Technic Inc Engineered Powders Div. Similar-scale Electric Utilities peers outside Rhode Island: Coffeen Power Station; Cd McIntosh Jr Power Plant; Transalta Centralia Generation / Mining; National Grid Northport Power Station. Other Ls Power Development LLC sites in this extract: Doswell LP. Largest disclosed chemicals by pounds: Ammonia; Naphthalene.
Ocean State Power stamps MID volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 605.4K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Coffeen Power Station and Cd McIntosh Jr Power Plant.
Ocean State Power vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
605K lbs Top 7% higher than 93% 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
Ocean State Power inside Providence's TRI pounds
Among the 513 Electric Utilities facilities in this database, Ocean State Power reports the 223rd-largest volume (605.4K lbs). This one site accounts for 28.6% of every pound reported in Providence. Its reported volume is concentrated rather than spread: Ammonia alone is 98.6% of the total. Scale peers outside Rhode Island include Coffeen Power Station and Cd McIntosh Jr Power Plant.
County-dominant here means ≥25% of Providence's reported pounds (2.1M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Ocean State Power's total reported releases rose from 121.8 thousand lb in 2022 to 143.3 thousand lb in 2023, based on EPA TRI filings.
- Ocean State Power's air releases rose from 121.8 thousand lb in 2022 to 143.3 thousand lb in 2023, based on EPA TRI filings.
Ocean State Power Form-R facts
Compare this facility
See how Ocean State Power stacks up against nearby facilities and the typical reporter.
2138.9× more than the comparison
2.0× 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 Ocean State Power releases toxic chemicals into the environment. Total: 777.0K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 151% (68.4K lbs to 171.6K lbs).
Ocean State Power: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Ocean State Power year-over-year reported totals (increased by 151% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 68.4K lbs | 2 |
| 2020 | 81.6K lbs | 1 |
| 2021 | 190.4K lbs | 1 |
| 2022 | 121.8K lbs | 1 |
| 2023 | 143.3K lbs | 1 |
| 2024 | 171.6K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 2 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 766.1K lbs | - |
| Naphthalene | 10.9K lbs | Carcinogen |
Ocean State Power · AIR-pathway site
Nearest TRI Facilities to Ocean State Power
Closest other reporters in Rhode Island - including Atlantic Footcare Inc, Custom Coatings Inc., Duralectra-Chn LLC, ordered by distance.
Showing 8 of 74 other reporting facilities in Rhode Island.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Rhode Island - e.g. Coffeen Power Station, Cd McIntosh Jr Power Plant, Transalta Centralia Generation / Mining.
Compare beyond Rhode Island
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Ocean State Power on cumulative reported pounds (605.4K lbs) and distinct chemical count (2). Release-pound peers include The Praxis Cos LLC, Valmont Composite Structures Estill, Avery Dennison Corp Specialty Tape Div. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- The Praxis Cos LLC Ennis, TX · Plastics and Rubber 605.2K lbs reported
- Valmont Composite Structures Estill Estill, SC · Plastics and Rubber 605.6K lbs reported
- Avery Dennison Corp Specialty Tape Div Painesville, OH · Paper 606.2K lbs reported
- American Refining Group Inc. Bradford, PA · Petroleum 607.1K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Ls Power Development LLC Facilities
Same-parent TRI sites ranked by reported releases - including Doswell 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 Ammonia, Naphthalene; nearby reporters include Atlantic Footcare Inc. Ocean State Power stamps MID volume · AIR 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 Ocean State Power TRI extract (MID · AIR · CARC-LEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Ocean State Power totals are self-reported EPCRA §313 estimates for Harrisville, RI, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 221112 · Electric Utilities. 28.6% of Providence TRI pounds in this extract. Nearest ABS peer: The Praxis Cos LLC (Δ 191 lbs). Pounds ≠ exposure.
Ocean State Power stamps MID volume · AIR pathway · CARC-LEAN · lead Ammonia. 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