Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PREPA - AGUIRRE POWER GENERATI ON COMPLEX
PR-03 KM 152.7 BO. MONTESORRIA AGUIRRE, AGUIRRE, PR, 00704
Parent company: PUERTO RICO ELECTRIC POWER AUTHORITY
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | 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) | Nickel compounds | Copper compounds | n-Hexane | Total (lbs) |
| 2024 | 67,456 | 36,157 | — | 264 | — | 104,599 |
| 2023 | 90,356 | 48,431 | — | — | — | 140,109 |
| 2022 | 174,679 | 57,887 | — | 1,176 | — | 234,898 |
| 2021 | 250,645 | 119,836 | — | 15,058 | — | 388,577 |
| 2020 | 267,097 | 97,288 | — | — | — | 397,805 |
| 2019 | 188,559 | 97,288 | — | — | — | 299,674 |
| 2018 | 241,518 | 97,288 | — | — | — | 339,556 |
| 2017 | 215,532 | 97,288 | — | — | — | 313,863 |
| 2016 | 180,402 | 116,390 | — | — | — | 297,808 |
| 2015 | 299,154 | 128,626 | — | 11,519 | — | 440,698 |
| 2014 | 291,416 | 114,256 | — | — | — | 406,945 |
| 2013 | 895,508 | 139,985 | — | — | — | 1,036,657 |
| 2012 | 898,175 | 134,540 | — | — | — | 1,033,725 |
| 2011 | 904,046 | 130,242 | — | — | — | 1,035,303 |
| 2010 | 984,617 | 163,205 | — | — | — | 1,148,879 |
| 2009 | 1,073,269 | — | 28,660 | — | — | 1,103,396 |
| 2008 | 1,149,585 | — | 26,898 | 16,812 | — | 1,195,406 |
| 2007 | 1,255,831 | — | 27,304 | 30,321 | — | 1,351,699 |
| 2006 | 1,638,907 | — | 25,611 | 21,697 | — | 1,696,588 |
| 2005 | 1,560,916 | — | 23,938 | 27,978 | 30,677 | 1,677,444 |
| 2004 | 1,953,427 | — | 42,032 | — | 50,935 | 2,050,660 |
| 2003 | 2,027,923 | — | 24,087 | — | 27,432 | 2,089,657 |
| 2002 | 2,511,501 | — | 28,774 | — | 370 | 2,552,814 |
| 2001 | 2,169,275 | — | 24,638 | — | 752 | 2,205,996 |
| 2000 | 2,695,705 | — | 29,013 | — | 750 | 2,747,494 |
| 1999 | 2,222,266 | — | 94,072 | — | 5 | 2,356,366 |
| 1998 | 2,359,188 | — | 114,525 | — | 5 | 2,535,236 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.