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Puerto Rico Electric Power Authority

9 facilities · 1 state · 3.2M lbs total releases

According to the EPA Toxics Release Inventory, Puerto Rico Electric Power Authority is the reported parent of 9 Form R facilities across 1 state, disclosing 3.2M lbs of toxic releases. 2 of 44 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Puerto Rico (3.2M lbs). Those TRI figures remain self-reported disclosure pounds for Puerto Rico Electric Power Authority, including carcinogen-flagged substances, not a measured public-health risk score.

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Release-over-release change

What changed for Puerto Rico Electric Power Authority: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

-18.0%

8 facilities that filed in 2022 and 2023

Whole inventory

-18.0%

743.7 thousand lb → 610.2 thousand lb, every facility that filed

  • Puerto Rico Electric Power Authority's total reported releases fell from 743.7 thousand lb in 2022 to 610.2 thousand lb in 2023, based on EPA TRI filings.
  • Puerto Rico Electric Power Authority's off-site transfers fell from 722 lb in 2022 to 94 lb in 2023, based on EPA TRI filings.
  • Puerto Rico Electric Power Authority's water releases fell from 70 lb in 2022 to 55 lb in 2023, based on EPA TRI filings.
  • Puerto Rico Electric Power Authority's air releases fell from 742.9 thousand lb in 2022 to 610.0 thousand lb in 2023, based on EPA TRI filings.

TRI parent disclosure trail

Read Puerto Rico Electric Power Authority from filing to facility

Largest Form R sites under this parent: Prepa - Aguirre Power Generati on Complex; Prepa-South Coast Power Plant; Prepa - Palo Seco Steam Plant; Prepa - San Juan Steam Plant. Neighbor parents on the disclosure ladder: Pr Waste Holdings LLC; Aes Corp; Sartorius Stedim Biotech; Fmc Corp. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); n-Hexane; Ammonia; Copper And Copper Compounds. Heaviest-reporting states in this extract: Puerto Rico. Industry labels on the parent rollup: Electric Utilities. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026

Total Releases
3.2M lbs
Facilities
9
Chemicals
44
Carcinogens
2

Largest Form R sites under this parent: Prepa - Aguirre Power Generati on Complex; Prepa-South Coast Power Plant; Prepa - Palo Seco Steam Plant; Prepa - San Juan Steam Plant. Neighbor parents on the disclosure ladder: Pr Waste Holdings LLC; Aes Corp; Sartorius Stedim Biotech; Fmc Corp. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); n-Hexane; Ammonia; Copper And Copper Compounds. Heaviest-reporting states in this extract: Puerto Rico. Industry labels on the parent rollup: Electric Utilities.

Puerto Rico Electric Power Authority ranks #352 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Puerto Rico Electric Power Authority's TRI Form R footprint is concentrated in a single state (Puerto Rico), so statewide context matters more than a multi-state portfolio read. Puerto Rico Electric Power Authority's disclosed pounds are spread across 9 facilities, no single site dominates the parent total in this extract.

Parent aggregation for Puerto Rico Electric Power Authority follows facility-reported names. Compare the named neighbors (Pr Waste Holdings LLC; Aes Corp; Sartorius Stedim Biotech) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.

Where Puerto Rico Electric Power Authority sits among TRI parents

Puerto Rico Electric Power Authority sits on a disclosure ladder beside Pr Waste Holdings LLC and Aes Corp and Sartorius Stedim Biotech and Fmc Corp. Open those parents for a different facility count, state span, and chemical mix.

Higher disclosed volume

Lower disclosed volume

Largest chemicals disclosed by Puerto Rico Electric Power Authority

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); n-Hexane; Ammonia; Copper And Copper Compounds lead the Form R pound rollup for this parent, including filings such as Prepa - Aguirre Power Generati on Complex. Pound totals, not toxicity-weighted risk.

Chemical Disclosed lbs
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2.8M lbs
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 559.6K lbs
n-Hexane 176.1K lbs
Ammonia 130.7K lbs
Copper And Copper Compounds 45.5K lbs

Facilities (9)

Facility Releases
Prepa - Aguirre Power Generati on Complex Aguirre, PR 1.5M lbs
Prepa-South Coast Power Plant Guayanilla, PR 681.4K lbs
Prepa - Palo Seco Steam Plant Toa Baja, PR 658.5K lbs
Prepa - San Juan Steam Plant Puerto Nuevo, PR 436.1K lbs
Prepa-Cambalache Combustion Turbine Plant Arecibo, PR 1.1K lbs
Mayaguez Gas Turbines Power Plant Mayaguez, PR 502 lbs
Prepa-Yabucoa Gas Turbines Pow Er Plant Humacao, PR 187 lbs
Prepa-Jobos Gas Turbines Power Plant Guayama, PR 98 lbs
Prepa-Vega Baja Gas Turbines Power Plant Vega Baja, PR 10 lbs

Frequently Asked Questions

How much pollution does Puerto Rico Electric Power Authority release?
Puerto Rico Electric Power Authority discloses 3.2M lbs across 9 facilities. On the ladder it sits near Pr Waste Holdings LLC and Aes Corp. Puerto Rico Electric Power Authority ranks #352 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set.
How many facilities does Puerto Rico Electric Power Authority operate?
Puerto Rico Electric Power Authority maps to 9 facilities in Puerto Rico, including Prepa - Aguirre Power Generati on Complex; Prepa-South Coast Power Plant; Prepa - Palo Seco Steam Plant; Prepa - San Juan Steam Plant. Puerto Rico Electric Power Authority's disclosed pounds are spread across 9 facilities, no single site dominates the parent total in this extract.
What industries and chemicals show up for Puerto Rico Electric Power Authority?
Puerto Rico Electric Power Authority's disclosed pounds sit inside a single reported industry label: Electric Utilities. Puerto Rico Electric Power Authority's largest disclosed chemicals by pounds are Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), n-Hexane, Ammonia, Copper And Copper Compounds (none of those top chemicals carry a carcinogen flag in this extract). Neighbor parents: Pr Waste Holdings LLC; Aes Corp; Sartorius Stedim Biotech; Fmc Corp.
Does Puerto Rico Electric Power Authority release carcinogens?
Yes - 2 carcinogen-flagged substances appear in the extract. Largest by pounds include Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); n-Hexane; Ammonia; Copper And Copper Compounds.

Compare beyond the release ladder

Nationwide peers by disclosed pounds & facility count

Cross-portfolio TRI parents nearest Puerto Rico Electric Power Authority on total disclosed release pounds (3.2M lbs) and reporting facility count (9). Release-volume peers include Pmc Group Inc, Toyota Motor N.a. Inc, Louisiana Pacific Corp. Facility-count peers include Akzo Nobel Inc, Allied Aviation Holding Co, American Honda Motor Co Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.

Similar disclosed release pounds

Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.

Similar facility count

Nearest parents by reporting-site count (deduped against the release-pound neighborhood).

About This Data

EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Puerto Rico; facility-reported names can vary across subsidiaries.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files

What to do with Puerto Rico Electric Power Authority's TRI parent record

From Puerto Rico Electric Power Authority, open Prepa - Aguirre Power Generati on Complex or compare against Pr Waste Holdings LLC rather than reading rank alone.

  • Open the largest Form R site for Puerto Rico Electric Power Authority (Prepa - Aguirre Power Generati on Complex in PR). Largest facility
  • Compare against Aes Corp, the next-higher disclosed-volume parent. Higher-volume parent
  • Browse the full parent release ranking to see where Puerto Rico Electric Power Authority sits among all slug-merged TRI parents. All parent companies

Rank and peers (Pr Waste Holdings LLC, Aes Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.

Use and verify this record

Puerto Rico Electric Power Authority's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.

Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.

Primary sources

PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.