Facility detail

PREPA - SAN JUAN STEAM PLANT

MERCADO CENTRAL AVE ZONA PORTUARIA RD PR-28, PUERTO NUEVO, PR, 00920

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)	Copper compounds	Ammonia	Nickel compounds	Vanadium compounds	Total
2024	40,277	—	22,530	—	—	63,073
2023	47,163	—	27,330	—	—	74,815
2022	86,138	—	30,453	—	—	117,079
2021	39,771	—	50,412	—	—	90,800
2020	96,709	—	—	—	—	97,632
2019	33,811	—	—	—	—	55,733
2018	60,482	23,978	—	—	—	86,256
2017	82,765	24,143	—	—	—	108,733
2016	120,183	23,218	—	—	—	145,207
2015	142,190	15,097	—	—	—	158,563
2014	149,704	—	—	—	—	150,539
2013	432,923	14,891	—	—	—	449,111
2012	470,104	12,355	—	—	—	483,576
2011	406,931	12,407	—	—	—	420,417
2010	427,514	11,511	—	—	—	440,155
2009	488,870	—	—	—	—	490,134
2008	424,824	—	—	—	—	425,241
2007	602,282	—	—	—	—	602,856
2006	509,769	—	—	—	—	511,969
2005	539,457	—	—	—	—	543,592
2004	502,122	—	—	—	—	505,744
2003	305,214	—	—	8,695	3,270	317,355
2002	1,223,282	—	—	11,374	4,409	1,239,413
2001	1,362,962	—	—	12,218	4,957	1,380,372
2000	1,431,424	—	—	12,899	24,702	1,469,127
1999	1,832,068	—	—	14,211	—	1,846,284
1998	1,945,623	—	—	40,863	—	1,986,491