Facility detail

HAWAIIAN ELECTRIC CO INC WAIAU GENERATING STATION

475 KAMEHAMEHA HWY, PEARL CITY, HI, 96782

Parent company: HAWAIIAN ELECTRIC INDUSTRIES INC

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)	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Ammonia	Nickel compounds	Lead compounds	Total
2024	170,000	—	62,000	—	—	232,162
2023	250,000	—	78,000	—	—	328,169
2022	180,000	—	56,600	—	—	236,742
2021	170,000	—	53,400	—	69	223,512
2020	140,000	—	44,600	—	58	184,689
2019	200,000	—	60,000	—	74	260,113
2018	150,000	—	59,000	—	85	209,141
2017	180,000	—	56,600	—	76	236,737
2016	180,000	—	55,280	—	71	235,384
2015	220,000	—	70,480	—	491	291,010
2014	210,000	—	61,240	—	76	271,346
2013	200,000	26,000	59,260	—	92	285,357
2012	190,000	26,000	59,160	—	91	275,255
2011	170,000	26,000	60,360	—	94	256,462
2010	175,000	29,000	66,240	—	103	270,351
2009	240,000	100,000	81,560	21,002	552	443,144
2008	200,000	90,000	—	20,002	502	310,528
2007	220,000	100,000	—	21,002	552	341,587
2006	200,000	96,000	—	21,003	544	317,575
2005	220,000	99,000	—	21,001	561	340,606
2004	230,000	94,000	—	20,001	531	344,577
2003	180,000	88,000	—	—	441	268,467
2002	250,000	96,000	—	19,305	504	365,830
2001	250,000	87,000	—	—	608	337,667
2000	27,000	80,000	—	—	—	107,028
1999	26,000	87,000	—	—	—	113,000
1998	22,000	83,912	—	—	—	105,912