EPA TRI Facility · Electric Utilities
Duke Energy Indiana Inc. Cayuga Generating Station
Cayuga, IN · Parent: Duke Energy Corp
- Total releases
- 6.3M lbs
- Chemicals reported
- 26
- Carcinogens
- 7
- Primary pathway
- Land Disposal
MIXED Form-R mix
Duke Energy Indiana Inc. Cayuga Generating Station: how the 6.3M lbs splits
6.3M lbs across all reported pathways
- Land Disposal 3.8M lbs 60.0%
- Air Releases 2.1M lbs 33.3%
- Water Discharges 425.2K lbs 6.7%
- Off-site Transfers 318 lbs <0.1%
Duke Energy Indiana Inc. Cayuga Generating Station's 6.3M lbs Form-R total is MIXED - land disposal is 60.0% of the bar. Next segment: air releases at 33.3%. 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.
HEAVY volume MIXED pathway CARC-LEAN
Duke Energy Indiana Inc. Cayuga Generating Station is an EPA Toxics Release Inventory reporter in Cayuga, IN, in the electric utilities sector. It reported 1.1M lbs of releases across 17 chemicals in 2023, and 6.3M lbs in total across its 2019-2023 reporting years. That ranks 331 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Indiana's 871 reporting TRI sites, pounds #1 is not chemical-count #1. Duke Energy Indiana Inc. Cayuga Generating Station is pounds #21 and chemical-count #15 at 6.3M lbs. Uss Gary Works leads reported pounds (77.4M lbs) at 36 chemicals (chemical-count #9). Tradebe Treatment & Recycling LLC leads chemical count at 98 chemicals (11.9M lbs, pounds #12). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: International Paper Co; Superior Forest Products LLC; Elanco Clinton Laboratories; Master Guard LLC. Similar-scale Electric Utilities peers outside Indiana: Louisville Gas & Electric Co. - Trimble County Station; Columbia Energy Center; Walleye Power LLC - Bay Shore Plant; Pacificorp Hunter Plant. Other Duke Energy Corp sites in this extract: Gibson Generating Station; Duke Energy Carolinas LLC - Marshall Steam Station; Duke Energy Progress LLC - Roxboro Steam Electric Plant; Duke Energy Kentucky Inc. East Bend Generating Station. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Zinc compounds; Vanadium compounds; Manganese compounds.
Duke Energy Indiana Inc. Cayuga Generating Station is a HEAVY · MIXED-pathway Form-R site in Cayuga, IN: 6.3M lbs across 26 chemicals (7 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment land disposal at 60.0%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Louisville Gas & Electric Co. - Trimble County Station and Columbia Energy Center.
Duke Energy Indiana Inc. Cayuga Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
6.3M lbs Top 1% higher than 99% 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
Duke Energy Indiana Inc. Cayuga Generating Station inside Vermillion's TRI pounds
Among the 513 Electric Utilities facilities in this database, Duke Energy Indiana Inc. Cayuga Generating Station reports the 61st-largest volume, placing it in the top 11.9% of its sector. This one site accounts for 91.3% of every pound reported in Vermillion. Scale peers outside Indiana include Louisville Gas & Electric Co. - Trimble County Station and Columbia Energy Center.
County-dominant here means ≥25% of Vermillion's reported pounds (6.9M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Duke Energy Indiana Inc. Cayuga Generating Station's total reported releases fell from 1.2 million lb in 2022 to 1.1 million lb in 2023, based on EPA TRI filings.
- Duke Energy Indiana Inc. Cayuga Generating Station's off-site transfers fell from 71 lb in 2022 to 17 lb in 2023, based on EPA TRI filings.
- Duke Energy Indiana Inc. Cayuga Generating Station's water releases fell from 52.9 thousand lb in 2022 to 33.5 thousand lb in 2023, based on EPA TRI filings.
- Duke Energy Indiana Inc. Cayuga Generating Station's land releases fell from 762.8 thousand lb in 2022 to 603.7 thousand lb in 2023, based on EPA TRI filings.
Duke Energy Indiana Inc. Cayuga Generating Station Form-R facts
Compare this facility
See how Duke Energy Indiana Inc. Cayuga Generating Station stacks up against nearby facilities and the typical reporter.
28077.0× more than the comparison
5.2× 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 Duke Energy Indiana Inc. Cayuga Generating Station releases toxic chemicals into the environment. Total: 6.3M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 14% (1.3M lbs to 1.1M lbs).
Duke Energy Indiana Inc. Cayuga Generating Station: annual Form-R pounds
HEAVY site · MIXED pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Duke Energy Indiana Inc. Cayuga Generating Station year-over-year reported totals (decreased by 14% 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 | 1.3M lbs | 17 |
| 2020 | 1.3M lbs | 17 |
| 2021 | 1.4M lbs | 18 |
| 2022 | 1.2M lbs | 17 |
| 2023 | 1.1M lbs | 17 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 7 of 26 chemicals are carcinogens. Sorted by total release volume.
Duke Energy Indiana Inc. Cayuga Generating Station in Vermillion
Nearest TRI Facilities to Duke Energy Indiana Inc. Cayuga Generating Station
Closest other reporters in Indiana - including International Paper Co, Superior Forest Products LLC, Elanco Clinton Laboratories, ordered by distance.
Showing 8 of 870 other reporting facilities in Indiana.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Indiana - e.g. Louisville Gas & Electric Co. - Trimble County Station, Columbia Energy Center, Walleye Power LLC - Bay Shore Plant.
Compare beyond Indiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Duke Energy Indiana Inc. Cayuga Generating Station on cumulative reported pounds (6.3M lbs) and distinct chemical count (26). Release-pound peers include Creekstone Farms Premium Beef LLC, Phillips 66 Lake Charles Refinery, Nucor Steel Hertford County. Chemical-count peers include Conemaugh Generating Station, Saint Nicholas Cogeneration Project, Ergon West Virginia 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.
- Creekstone Farms Premium Beef LLC Arkansas City, KS · Food 6.3M lbs reported
- Phillips 66 Lake Charles Refinery Westlake, LA · Petroleum 6.3M lbs reported
- Nucor Steel Hertford County Cofield, NC · Primary Metals 6.3M lbs reported
- Tradebe Treatment & Recycling of Tn Millington, TN · Hazardous Waste 6.3M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Duke Energy Corp Facilities
Same-parent TRI sites ranked by reported releases - including Gibson Generating Station, Duke Energy Carolinas LLC - Marshall Steam Station, Duke Energy Progress LLC - Roxboro Steam Electric Plant.
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), Zinc compounds, Vanadium compounds, Manganese compounds; nearby reporters include International Paper Co. Duke Energy Indiana Inc. Cayuga Generating Station stamps HEAVY volume · MIXED pathway · CARC-LEAN 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 Duke Energy Indiana Inc. Cayuga Generating Station TRI extract (HEAVY · MIXED · CARC-LEAN · 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.
Duke Energy Indiana Inc. Cayuga Generating Station totals are self-reported EPCRA §313 estimates for Cayuga, IN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 91.3% of Vermillion TRI pounds in this extract. Nearest ABS peer: Creekstone Farms Premium Beef LLC (Δ 5.9K lbs). Pounds ≠ exposure.
Duke Energy Indiana Inc. Cayuga Generating Station stamps HEAVY · MIXED pathway (land disposal leads at 60.0%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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