EPA TRI Facility · Electric Utilities
Kapaia Power Station
Lihue, HI · Parent: Kauai Island Utility Cooperative
- Total releases
- 74.3K lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Kapaia Power Station: how the 74.3K lbs splits
74.3K lbs across all reported pathways
- Air Releases 74.3K lbs 100.0%
Kapaia Power Station's 74.3K 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 CLEAN
Kapaia Power Station is an EPA Toxics Release Inventory reporter in Lihue, HI, in the electric utilities sector. It reported 17.6K lbs of releases across 1 chemical in 2023, and 74.3K lbs in total across its 2019-2023 reporting years. That ranks 5,234 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. Kapaia Power Station is pounds #16 and chemical-count #33 at 74.3K 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Port Allen Generating Station; US Doe Sandia National Laboratories Kauai Test Facility - Sa; US Navy Pacific Missile Range Facility; U.S. Army Schofield Barracks - Range Facility. Similar-scale Electric Utilities peers outside Hawaii: Grand Haven Board of Light &power Jb Sims Generating Stati; Hibbing Renewable Energy Center; Calpine Fore River Energy Center LLC; Bergen Generating Station. Other Kauai Island Utility Cooperative sites in this extract: Port Allen Generating Station. Largest disclosed chemicals by pounds: Ammonia.
Kapaia Power Station stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 1 chemical. Cumulative Form-R extract: 74.3K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Grand Haven Board of Light &power Jb Sims Generating Stati and Hibbing Renewable Energy Center.
Kapaia Power Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
74K lbs Top 20% higher than 80% 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
Kapaia Power Station inside Kauai's TRI pounds
Among the 513 Electric Utilities facilities in this database, Kapaia Power Station reports the 330th-largest volume (74.3K lbs). This one site accounts for 95.5% of every pound reported in Kauai. Its reported volume is concentrated rather than spread: Ammonia alone is 100% of the total. Scale peers outside Hawaii include Grand Haven Board of Light &power Jb Sims Generating Stati and Hibbing Renewable Energy Center.
County-dominant here means ≥25% of Kauai's reported pounds (77.8K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Kapaia Power Station's total reported releases fell from 18.8 thousand lb in 2022 to 17.6 thousand lb in 2023, based on EPA TRI filings.
- Kapaia Power Station's air releases fell from 18.8 thousand lb in 2022 to 17.6 thousand lb in 2023, based on EPA TRI filings.
Kapaia Power Station Form-R facts
Compare this facility
See how Kapaia Power Station stacks up against nearby facilities and the typical reporter.
22.3× more than the comparison
67% 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 Kapaia Power Station releases toxic chemicals into the environment. Total: 74.3K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 1% (17.5K lbs to 17.6K lbs).
Kapaia Power 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 Kapaia Power Station year-over-year reported totals (increased by 1% 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 | 17.5K lbs | 1 |
| 2020 | 5.0K lbs | 1 |
| 2021 | 15.4K lbs | 1 |
| 2022 | 18.8K lbs | 1 |
| 2023 | 17.6K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 74.3K lbs | - |
Kapaia Power Station · AIR-pathway site
Nearest TRI Facilities to Kapaia Power Station
Closest other reporters in Hawaii - including Port Allen Generating Station, US Doe Sandia National Laboratories Kauai Test Facility - Sa, US Navy Pacific Missile Range Facility, 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. Grand Haven Board of Light &power Jb Sims Generating Stati, Hibbing Renewable Energy Center, Calpine Fore River Energy Center LLC.
Compare beyond Hawaii
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Kapaia Power Station on cumulative reported pounds (74.3K lbs) and distinct chemical count (1). Release-pound peers include Hunter Panels a Div of Carlisle Construction Materials, Oldcastle Infrastructure Inc, Jeld-Wen. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico 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.
- Hunter Panels a Div of Carlisle Construction Materials Terrell, TX · Plastics and Rubber 74.3K lbs reported
- Oldcastle Infrastructure Inc Nuevo, CA · Transportation Equipment 74.3K lbs reported
- Jeld-Wen Dodson, LA · Wood Products 74.4K lbs reported
- Denco II LLC Morris, MN · Chemicals 74.4K 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 Port Allen 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 Ammonia; nearby reporters include Port Allen Generating Station. Kapaia Power Station stamps LIGHT volume · AIR pathway · CLEAN 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 Kapaia Power Station TRI extract (LIGHT · AIR · CLEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Kapaia Power Station totals are self-reported EPCRA §313 estimates for Lihue, HI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 95.5% of Kauai TRI pounds in this extract. Nearest ABS peer: Hunter Panels a Div of Carlisle Construction Materials (Δ 30 lbs). Pounds ≠ exposure.
Kapaia Power Station stamps LIGHT volume · AIR pathway · CLEAN · 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