EPA TRI Facility · Electric Utilities
Port Allen Generating Station
Eleele, HI · Parent: Kauai Island Utility Cooperative
- Total releases
- 3.3K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Port Allen Generating Station: how the 3.3K lbs splits
3.3K lbs across all reported pathways
- Air Releases 3.3K lbs 100.0%
Port Allen Generating Station's 3.3K 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.
LIGHT volume AIR pathway TRACE-CARC
Port Allen Generating Station is an EPA Toxics Release Inventory reporter in Eleele, HI, in the electric utilities sector. It reported 1.3K lbs of releases across 3 chemicals in 2023, and 3.3K lbs in total across its 2019-2023 reporting years. That ranks 11,932 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Hawaii's 36 reporting TRI sites, pounds #1 is not chemical-count #1. Port Allen Generating Station is pounds #28 and chemical-count #26 at 3.3K lbs. Hawaiian Electric Co Inc Kahe Generating Station leads reported pounds (3.2M lbs) at 11 chemicals (chemical-count #5). Par Hawaii Refining LLC leads chemical count at 27 chemicals (841.7K lbs, pounds #5). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: US Doe Sandia National Laboratories Kauai Test Facility - Sa; US Navy Pacific Missile Range Facility; Kapaia Power Station; Hawaiian Electric Co Inc Kahe Generating Station. Similar-scale Electric Utilities peers outside Hawaii: Mid-Georgia Cogen; Tom G Smith Municipal Power Plant & Lake Worth WTP; Yigo Power Plant; Duke Energy Indiana Inc-Gallagher Generating Station. Other Kauai Island Utility Cooperative sites in this extract: Kapaia Power Station. Largest disclosed chemicals by pounds: Ammonia; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Dioxin and dioxin-like compounds.
Port Allen Generating Station stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 3.3K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Mid-Georgia Cogen and Tom G Smith Municipal Power Plant & Lake Worth WTP.
Port Allen Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.3K lbs Top 46% higher than 54% 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
Port Allen Generating Station: Ammonia-led volume
Among the 513 Electric Utilities facilities in this database, Port Allen Generating Station reports the 399th-largest volume (3.3K lbs). Its reported volume is concentrated rather than spread: Ammonia alone is 93.3% of the total. Scale peers outside Hawaii include Mid-Georgia Cogen and Tom G Smith Municipal Power Plant & Lake Worth WTP.
Concentrated means ≥60% of Port Allen Generating Station's pounds in one chemical - here Ammonia at 93.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Port Allen Generating Station's total reported releases rose from 250 lb in 2022 to 1.3 thousand lb in 2023, based on EPA TRI filings.
- Port Allen Generating Station's air releases rose from 250 lb in 2022 to 1.3 thousand lb in 2023, based on EPA TRI filings.
Port Allen Generating Station Form-R facts
Compare this facility
See how Port Allen Generating Station stacks up against nearby facilities and the typical reporter.
18.3× more than the comparison
3.0× 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 Port Allen Generating Station releases toxic chemicals into the environment. Total: 3.3K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 46% (866 lbs to 1.3K lbs).
Port Allen Generating Station: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Port Allen Generating Station year-over-year reported totals (increased by 46% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 866 lbs | 3 |
| 2020 | 436 lbs | 3 |
| 2021 | 516 lbs | 3 |
| 2022 | 250 lbs | 3 |
| 2023 | 1.3K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 3.1K lbs | - |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 224 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Port Allen Generating Station · AIR-pathway site
Nearest TRI Facilities to Port Allen Generating Station
Closest other reporters in Hawaii - including US Doe Sandia National Laboratories Kauai Test Facility - Sa, US Navy Pacific Missile Range Facility, Kapaia Power Station, ordered by distance.
Showing 8 of 35 other reporting facilities in Hawaii.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Hawaii - e.g. Mid-Georgia Cogen, Tom G Smith Municipal Power Plant & Lake Worth WTP, Yigo Power Plant.
Compare beyond Hawaii
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Port Allen Generating Station on cumulative reported pounds (3.3K lbs) and distinct chemical count (3). Release-pound peers include National Chemical Laboratories Inc, Freightliner Custom Chassis Corp, Sioux Chief Manufacturing. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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.
- National Chemical Laboratories Inc Philadelphia, PA · Chemicals 3.3K lbs reported
- Freightliner Custom Chassis Corp Gaffney, SC · Transportation Equipment 3.3K lbs reported
- Sioux Chief Manufacturing Kansas City, MO · Fabricated Metals 3.3K lbs reported
- Hypertherm Inc Lebanon, NH · Fabricated Metals 3.3K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Kauai Island Utility Cooperative Facilities
Same-parent TRI sites ranked by reported releases - including Kapaia Power Station.
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, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Dioxin and dioxin-like compounds; nearby reporters include US Doe Sandia National Laboratories Kauai Test Facility - Sa. Port Allen Generating Station stamps LIGHT volume · AIR pathway · TRACE-CARC 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 Port Allen Generating Station TRI extract (LIGHT · AIR · TRACE-CARC · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Port Allen Generating Station totals are self-reported EPCRA §313 estimates for Eleele, HI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 4.3% of Kauai TRI pounds in this extract. Nearest ABS peer: National Chemical Laboratories Inc (Δ 1 lbs). Pounds ≠ exposure.
Port Allen Generating Station stamps LIGHT volume · AIR pathway · TRACE-CARC · 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