EPA TRI Facility · Electric Utilities

Maui Electric Co Ltd Miki Basin Generating Station

Lanai City, HI · Parent: Hawaiian Electric Industries Inc

Total releases
241 lbs
Chemicals reported
2
Carcinogens
2
Primary pathway
Air Releases

AIR Form-R mix

Maui Electric Co Ltd Miki Basin Generating Station: how the 241 lbs splits

241 lbs across all reported pathways

  • Air Releases 232 lbs 96.3%
  • Off-site Transfers 9 lbs 3.7%

Maui Electric Co Ltd Miki Basin Generating Station's 241 lbs Form-R total is AIR - air releases is 96.3% of the bar. Next segment: off-site transfers at 3.7%. Leading chemical by pounds: Naphthalene.

TRACE volume AIR pathway CARC-HEAVY

Maui Electric Co Ltd Miki Basin Generating Station is an EPA Toxics Release Inventory reporter in Lanai City, HI, in the electric utilities sector. It reported 57 lbs of releases across 2 chemicals in 2023, and 241 lbs in total across its 2019-2023 reporting years. That ranks 15,646 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 Miki Basin Generating Station is pounds #32 and chemical-count #30 at 241 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: Maui Electric Co Ltd Palaau Generating Station; Maui Electric Co Ltd Maalaea Generating Station; Maui Electric Co Ltd Kahului Generating Station; US Marine Corps Base Hawaii Kaneohe Bay. Similar-scale Electric Utilities peers outside Hawaii: Stock Island Power Plant; Prepa-Yabucoa Gas Turbines Pow Er Plant; Richard M Flynn Power Plant; Virginia Public Utilities. 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: Naphthalene; Polycyclic aromatic compounds.

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Maui Electric Co Ltd Miki Basin Generating Station stamps TRACE volume with a dominant AIR pathway (96.3% air releases) across 2 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 241 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Stock Island Power Plant and Prepa-Yabucoa Gas Turbines Pow Er Plant.

#15,646 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Maui Electric Co Ltd Miki Basin Generating Station vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

241 lbs 40th percentile higher than 40% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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 Miki Basin Generating Station in the Electric Utilities sector extract

Among the 513 Electric Utilities facilities in this database, Maui Electric Co Ltd Miki Basin Generating Station reports the 427th-largest volume (241 lbs). Scale peers outside Hawaii include Stock Island Power Plant and Prepa-Yabucoa Gas Turbines Pow Er Plant.

Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.

Maui Electric Co Ltd Miki Basin Generating Station Form-R facts

Sector
Electric Utilities
TRACE volume
241 lbs
AIR pathway
Air Releases
CARC-HEAVY chem count
2 · 2 carc.
Lead chemical
Naphthalene

Compare this facility

See how Maui Electric Co Ltd Miki Basin Generating Station stacks up against nearby facilities and the typical reporter.

Total reported releases
Maui Electric Co Ltd Miki Basin Generating Station
241 lbs
Maui Electric Co Ltd Palaau Generating Station
217 lbs

About the same as the comparison

Chemicals reported
Maui Electric Co Ltd Miki Basin Generating Station
2
Maui Electric Co Ltd Palaau Generating Station
2

About the same as 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 Miki Basin Generating Station releases toxic chemicals into the environment. Total: 241 lbs.

Air Releases 232 lbs (96.3%)
Off-site Transfers 9 lbs (3.7%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases increased by 34% (42 lbs to 57 lbs).

Maui Electric Co Ltd Miki Basin Generating Station: annual Form-R pounds

TRACE site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Maui Electric Co Ltd Miki Basin Generating Station year-over-year reported totals (increased by 34% 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: Naphthalene.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 42 lbs 2
2020 43 lbs 2
2021 50 lbs 2
2022 50 lbs 2
2023 57 lbs 2

Chemical Releases

Aggregated across all reporting years (2019–2023). 2 of 2 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Naphthalene 234 lbs Carcinogen
Polycyclic aromatic compounds 7 lbs Carcinogen

Maui Electric Co Ltd Miki Basin Generating Station · AIR-pathway site

Lanai City, HI
20.7851, -156.9304
County TRI context
Maui · 0.0% of county pounds
Parent company
Hawaiian Electric Industries Inc

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 Naphthalene, Polycyclic aromatic compounds; nearby reporters include Maui Electric Co Ltd Palaau Generating Station. Maui Electric Co Ltd Miki Basin Generating Station stamps TRACE volume · AIR pathway · CARC-HEAVY 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 Miki Basin Generating Station TRI extract (TRACE · AIR · CARC-HEAVY · lead Naphthalene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Maui Electric Co Ltd Miki Basin Generating Station totals are self-reported EPCRA §313 estimates for Lanai City, HI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 0.0% of Maui TRI pounds in this extract. Nearest ABS peer: Ascentek Inc. (Δ 0 lbs). Pounds ≠ exposure.

Maui Electric Co Ltd Miki Basin Generating Station stamps TRACE volume · AIR pathway · CARC-HEAVY · lead Naphthalene. 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