Facility detail

ARIZONA ELECTRIC POWER COOPERATIVE INC

3525 N HWY 191 S, COCHISE, AZ, 85606

Parent company: NA

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	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Hydrogen fluoride	Manganese compounds	Vanadium compounds	Total
2024	25,969	907	139	5,085	—	35,454
2023	—	534	2,320	—	3,642	73,386
2022	—	1,755	6,704	—	9,191	179,459
2021	—	1,875	4,749	—	7,177	144,313
2020	40,505	2,806	1,627	—	3,027	66,787
2019	—	2,610	1,299	—	1,902	45,517
2018	32,250	2,311	2,848	6,330	2,275	55,341
2017	89,445	1,563	4,950	16,544	5,945	138,736
2016	74,787	619	10,034	18,219	5,164	132,657
2015	105,135	54,232	21,368	28,523	9,834	256,273
2014	173,304	110,317	43,466	34,716	13,915	427,866
2013	165,663	86,484	34,075	32,556	12,136	372,576
2012	75,973	38,858	15,310	14,870	5,030	168,917
2011	106,608	84,435	33,268	29,865	8,734	295,273
2010	101,349	105,290	41,485	45,255	10,382	353,422
2009	133,133	101,671	40,059	49,222	14,920	391,650
2008	337,192	103,989	40,972	40,878	18,530	602,535
2007	336,715	140,990	55,551	29,619	15,306	628,004
2006	282,060	108,387	42,705	27,988	14,504	523,580
2005	196,620	79,848	31,461	23,226	12,543	389,907
2004	393,496	100,927	39,766	52,258	30,017	695,879
2003	303,973	184,078	72,528	88,668	50,178	835,260
2002	292,370	48,811	42,816	68,639	40,360	590,792
2001	176,256	47,000	41,000	35,111	24,034	382,826
2000	180,670	86,000	76,000	67,167	31,110	536,392
1999	134,390	93,000	81,000	51,321	—	438,005
1998	190,380	75,000	66,000	80,319	—	519,991