EPA TRI Facility · Electric Utilities
Hawaii Electric Light Co Inc Puna Generating Station
Keaau, HI · Parent: Hawaiian Electric Industries Inc
- Total releases
- 112.2K lbs
- Chemicals reported
- 4
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Hawaii Electric Light Co Inc Puna Generating Station: how the 112.2K lbs splits
112.2K lbs across all reported pathways
- Air Releases 112.2K lbs 100.0%
- Off-site Transfers 6 lbs <0.1%
Hawaii Electric Light Co Inc Puna Generating Station's 112.2K lbs Form-R total is AIR - air releases is 100.0% of the bar. Next segment: off-site transfers at <0.1%. Leading chemical by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
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 TRACE-CARC
Hawaii Electric Light Co Inc Puna Generating Station is an EPA Toxics Release Inventory reporter in Keaau, HI, in the electric utilities sector. It reported 55 lbs of releases across 3 chemicals in 2023, and 112.2K lbs in total across its 2019-2023 reporting years. That ranks 4,358 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. Hawaii Electric Light Co Inc Puna Generating Station is pounds #14 and chemical-count #25 at 112.2K 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). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Pacific Biodiesel LLC; Hill Generating Station; Aloha Petroleum Llc-Hilo West Terminal; U.S. Army Pohakuloa Training Area - Range Facility. Similar-scale Electric Utilities peers outside Hawaii: John S Cooper Power Station; Dave Gates Generating Station; Whitewater Generating Station; Prairie Creek Generating Station. Other Hawaiian Electric Industries Inc sites in this extract: Hawaiian Electric Co Inc Kahe Generating Station; Hawaiian Electric Co Inc Waiau Generating Station; Maui Electric Co Ltd Kahului Generating Station; Hill Generating Station. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Polycyclic aromatic compounds; Naphthalene; Benzo[g,h,i]perylene.
Hawaii Electric Light Co Inc Puna Generating Station stamps MID volume with a dominant AIR pathway (100.0% air releases) across 4 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 112.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include John S Cooper Power Station and Dave Gates Generating Station.
Hawaii Electric Light Co Inc Puna Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
112K lbs Top 17% higher than 83% 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
Hawaii Electric Light Co Inc Puna Generating Station: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)-led volume
Among the 513 Electric Utilities facilities in this database, Hawaii Electric Light Co Inc Puna Generating Station reports the 317th-largest volume (112.2K lbs). Its reported volume is concentrated rather than spread: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) alone is 99.8% of the total. Scale peers outside Hawaii include John S Cooper Power Station and Dave Gates Generating Station.
Concentrated means ≥60% of Hawaii Electric Light Co Inc Puna Generating Station's pounds in one chemical - here Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at 99.8%. Not a toxicity score.
Hawaii Electric Light Co Inc Puna Generating Station Form-R facts
Compare this facility
See how Hawaii Electric Light Co Inc Puna Generating Station stacks up against nearby facilities and the typical reporter.
6.8× 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 Hawaii Electric Light Co Inc Puna Generating Station releases toxic chemicals into the environment. Total: 112.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 100% (38.0K lbs to 55 lbs).
Hawaii Electric Light Co Inc Puna Generating Station: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Hawaii Electric Light Co Inc Puna Generating Station year-over-year reported totals (decreased by 100% 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: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 38.0K lbs | 4 |
| 2020 | 33.0K lbs | 4 |
| 2021 | 41.0K lbs | 4 |
| 2022 | 63 lbs | 3 |
| 2023 | 55 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 112.0K lbs | - |
| Polycyclic aromatic compounds | 108 lbs | Carcinogen |
| Naphthalene | 100 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 2 lbs | - |
Hawaii Electric Light Co Inc Puna Generating Station · AIR-pathway site
Nearest TRI Facilities to Hawaii Electric Light Co Inc Puna Generating Station
Closest other reporters in Hawaii - including Pacific Biodiesel LLC, Hill Generating Station, Aloha Petroleum Llc-Hilo West Terminal, 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. John S Cooper Power Station, Dave Gates Generating Station, Whitewater Generating Station.
Compare beyond Hawaii
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Hawaii Electric Light Co Inc Puna Generating Station on cumulative reported pounds (112.2K lbs) and distinct chemical count (4). Release-pound peers include Louisiana-Pacific Corp, John S Cooper Power Station, Wells Enterprises Inc South Ice Cream Plant. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis LLC. 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.
- Louisiana-Pacific Corp New Limerick, ME · Wood Products 112.2K lbs reported
- John S Cooper Power Station Somerset, KY · Electric Utilities 112.2K lbs reported
- Wells Enterprises Inc South Ice Cream Plant Le Mars, IA · Food 112.2K lbs reported
- Kaapa Ethanol Ravenna LLC Ravenna, NE · Chemicals 112.3K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
Other Hawaiian Electric Industries Inc Facilities
Same-parent TRI sites ranked by reported releases - including Hawaiian Electric Co Inc Kahe Generating Station, Hawaiian Electric Co Inc Waiau Generating Station, Maui Electric Co Ltd Kahului Generating 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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Polycyclic aromatic compounds, Naphthalene, Benzo[g,h,i]perylene; nearby reporters include Pacific Biodiesel LLC. Hawaii Electric Light Co Inc Puna Generating Station stamps MID 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 Hawaii Electric Light Co Inc Puna Generating Station TRI extract (MID · AIR · TRACE-CARC · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Hawaii Electric Light Co Inc Puna Generating Station totals are self-reported EPCRA §313 estimates for Keaau, HI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 9.2% of Hawaii TRI pounds in this extract. Nearest ABS peer: Louisiana-Pacific Corp (Δ 28 lbs). Pounds ≠ exposure.
Hawaii Electric Light Co Inc Puna Generating Station stamps MID volume · AIR pathway · TRACE-CARC · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). 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