EPA TRI Facility · Electric Utilities
Maui Electric Co Ltd Kahului Generating Station
Kahului, HI · Parent: Hawaiian Electric Industries Inc
- Total releases
- 770.2K lbs
- Chemicals reported
- 6
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Maui Electric Co Ltd Kahului Generating Station: how the 770.2K lbs splits
770.2K lbs across all reported pathways
- Air Releases 770.1K lbs 100.0%
- Off-site Transfers 157 lbs <0.1%
Maui Electric Co Ltd Kahului Generating Station's 770.2K 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
Maui Electric Co Ltd Kahului Generating Station is an EPA Toxics Release Inventory reporter in Kahului, HI, in the electric utilities sector. It reported 140.0K lbs of releases across 4 chemicals in 2023, and 770.2K lbs in total across its 2019-2023 reporting years. That ranks 1,523 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. Maui Electric Co Ltd Kahului Generating Station is pounds #6 and chemical-count #15 at 770.2K 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). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Maui Electric Co Ltd Maalaea Generating Station; Maui Electric Co Ltd Miki Basin Generating Station; Maui Electric Co Ltd Palaau Generating Station; Hamakua Energy Plant. Similar-scale Electric Utilities peers outside Hawaii: American Electric Power Conesville Plant; Guam Power Authority; Sierra Pacific Power Co North Valmy Station; Midamerican Energy Co George Neal North. Other Hawaiian Electric Industries Inc sites in this extract: Hawaiian Electric Co Inc Kahe Generating Station; Hawaiian Electric Co Inc Waiau Generating Station; Hill Generating Station; Maui Electric Co Ltd Maalaea Generating Station. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Lead compounds; Lead And Lead Compounds; Polycyclic aromatic compounds.
Maui Electric Co Ltd Kahului Generating Station stamps MID volume with a dominant AIR pathway (100.0% air releases) across 6 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 770.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include American Electric Power Conesville Plant and Guam Power Authority.
Maui Electric Co Ltd Kahului Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
770K lbs Top 6% higher than 94% 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
Maui Electric Co Ltd Kahului Generating Station inside Maui's TRI pounds
Among the 513 Electric Utilities facilities in this database, Maui Electric Co Ltd Kahului Generating Station reports the 200th-largest volume (770.2K lbs). This one site accounts for 63.9% of every pound reported in Maui. 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 more than 99.9% of the total. Scale peers outside Hawaii include American Electric Power Conesville Plant and Guam Power Authority.
County-dominant here means ≥25% of Maui's reported pounds (1.2M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Maui Electric Co Ltd Kahului Generating Station's total reported releases fell from 170.1 thousand lb in 2022 to 140.0 thousand lb in 2023, based on EPA TRI filings.
- Maui Electric Co Ltd Kahului Generating Station's off-site transfers fell from 78 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Maui Electric Co Ltd Kahului Generating Station's chemicals reported fell from 5 in 2022 to 4 in 2023, based on EPA TRI filings.
- Maui Electric Co Ltd Kahului Generating Station's air releases fell from 170.0 thousand lb in 2022 to 140.0 thousand lb in 2023, based on EPA TRI filings.
Maui Electric Co Ltd Kahului Generating Station Form-R facts
Compare this facility
See how Maui Electric Co Ltd Kahului Generating Station stacks up against nearby facilities and the typical reporter.
77% more than the comparison
14% 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 Maui Electric Co Ltd Kahului Generating Station releases toxic chemicals into the environment. Total: 770.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 22% (180.1K lbs to 140.0K lbs).
Maui Electric Co Ltd Kahului 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 Maui Electric Co Ltd Kahului Generating Station year-over-year reported totals (decreased by 22% 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 | 180.1K lbs | 5 |
| 2020 | 140.0K lbs | 4 |
| 2021 | 140.0K lbs | 4 |
| 2022 | 170.1K lbs | 5 |
| 2023 | 140.0K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 6 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) | 770.0K lbs | - |
| Lead compounds | 104 lbs | - |
| Lead And Lead Compounds | 103 lbs | - |
| Polycyclic aromatic compounds | 2 lbs | Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
| Benzo[g,h,i]perylene | 0 lbs | - |
Maui Electric Co Ltd Kahului Generating Station · AIR-pathway site
Nearest TRI Facilities to Maui Electric Co Ltd Kahului Generating Station
Closest other reporters in Hawaii - including Maui Electric Co Ltd Maalaea Generating Station, Maui Electric Co Ltd Miki Basin Generating Station, Maui Electric Co Ltd Palaau Generating 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. American Electric Power Conesville Plant, Guam Power Authority, Sierra Pacific Power Co North Valmy Station.
Compare beyond Hawaii
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Maui Electric Co Ltd Kahului Generating Station on cumulative reported pounds (770.2K lbs) and distinct chemical count (6). Release-pound peers include U.S. Doe Savannah River Ops, Fca US Belvidere Assembly Plant, Real Alloy Recycling LLC. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. 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.
- U.S. Doe Savannah River Ops Aiken, SC · Other 770.2K lbs reported
- Fca US Belvidere Assembly Plant Belvidere, IL · Transportation Equipment 770.6K lbs reported
- Real Alloy Recycling LLC Wabash, IN · Primary Metals 769.5K lbs reported
- Sportsman Boat Manufacturing Inc. Summerville, SC · Transportation Equipment 771.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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, Hill 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), Lead compounds, Lead And Lead Compounds, Polycyclic aromatic compounds; nearby reporters include Maui Electric Co Ltd Maalaea Generating Station. Maui Electric Co Ltd Kahului 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 Maui Electric Co Ltd Kahului 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.
Maui Electric Co Ltd Kahului Generating Station totals are self-reported EPCRA §313 estimates for Kahului, HI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 63.9% of Maui TRI pounds in this extract. Nearest ABS peer: U.S. Doe Savannah River Ops (Δ 50 lbs). Pounds ≠ exposure.
Maui Electric Co Ltd Kahului 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