Facility detail

PREPA - PALO SECO STEAM PLANT

PR-165 KM. 31.8, TOA BAJA, PR, 00949

Parent company: PUERTO RICO ELECTRIC POWER AUTHORITY

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds, grouped by reporting year.

The 10 chemicals with the highest cumulative on-site releases across all available years.

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

Year	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Nickel compounds	Vanadium compounds	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Copper compounds	Total
2024	53,555	—	—	—	—	53,732
2023	131,546	—	—	—	—	131,981
2022	147,722	—	—	—	—	148,178
2021	112,017	—	—	—	—	112,362
2020	160,243	—	—	—	—	161,007
2019	104,382	—	—	—	—	104,681
2018	80,485	—	—	—	—	80,757
2017	40,784	—	—	—	—	41,112
2016	132,687	—	—	—	—	133,023
2015	93,244	—	—	—	—	93,787
2014	97,678	—	—	—	—	97,811
2013	505,059	—	—	—	—	505,393
2012	692,202	—	—	—	—	692,678
2011	690,473	—	—	—	—	690,967
2010	802,483	17,988	—	25,587	—	846,609
2009	487,314	—	—	—	—	487,801
2008	177,569	—	—	—	—	177,863
2007	—	—	—	—	15,461	16,581
2006	778,320	20,936	—	—	—	800,035
2005	766,688	—	—	—	—	772,032
2004	783,594	22,078	—	—	—	813,374
2003	977,280	21,742	8,228	—	—	1,011,238
2002	2,247,960	21,395	7,665	—	—	2,277,598
2001	2,340,334	19,769	17,286	—	—	2,378,322
2000	1,956,298	24,497	17,571	—	—	1,999,155
1999	806,312	21,800	—	—	—	828,617
1998	1,124,008	47,842	—	—	—	1,171,865