Biggest industrial CO₂ emitters in Spain

#	Facility	Type	Country	t CO₂e/yr
1	ArcelorMittal Asturias (Aviles) steel plant	Steel Plant	Spain	3,891,500
2	Repsol Bilbao Refinery	Refinery	Spain	2,566,756
3	Repsol Cartagena Refinery	Refinery	Spain	2,566,756
4	CEPSA La Rabida Refinery	Refinery	Spain	2,216,744
5	CEPSA Gibraltar-San Roque Refinery	Refinery	Spain	2,211,146
6	Repsol Tarragona Refinery	Refinery	Spain	2,170,075
7	San Ciprian alumina refinery	Aluminium Smelter	Spain	1,860,213
8	ArcelorMittal Asturias (Gijón) steel plant	Steel Plant	Spain	1,822,038
9	Nanta, S.A.U. Las Palas	Food & Beverage	Spain	1,761,933
10	Repsol Puertollano Refinery	Refinery	Spain	1,750,061
11	Repsol A Coruna Refinery	Refinery	Spain	1,400,049
12	BP Castellon Refinery	Refinery	Spain	1,283,378
13	Uve, S.A. (Fab. Piensos)	Food & Beverage	Spain	1,121,933
14	El Alto Cement Plant	Cement Plant	Spain	1,036,498
15	Villaluenga de la Sagra Cement Plant	Cement Plant	Spain	933,829
16	Dow Chemical Co. , Tarragona	Petrochemical	Spain	880,870
17	Repsol SA , Tarragona	Petrochemical	Spain	880,223
18	Aboño Cement Plant	Cement Plant	Spain	864,305
19	Alcanar Cement Plant	Cement Plant	Spain	753,349
20	Sagunto Cement Plant	Cement Plant	Spain	677,033
21	Dolomias De Aragon, S.L.	Lime Plant	Spain	641,452
22	Castillejo Cement Plant	Cement Plant	Spain	601,237
23	Tudela Veguin - Fábrica De Cales Y Cementos De Tudela Veguín	Lime Plant	Spain	582,560
24	Productos Florida	Food & Beverage	Spain	531,933
25	Monjos Cement Plant	Cement Plant	Spain	516,930
26	Alconera Cement Plant	Cement Plant	Spain	475,332
27	Sant Vicent dels Horts Cement Plant	Cement Plant	Spain	454,763
28	Alcala Cement Plant	Cement Plant	Spain	416,416
29	ALUMINIO ESPAÑOL, SA	Metals Plant	Spain	403,000
30	La Robla Cement Plant	Cement Plant	Spain	387,217
31	ALCOA TRANSFORMACION DE PRODUCTOS, S.L. (ALCOA TRANSFORMACIÓN DE PRODUCTOS, S.L.)	Metals Plant	Spain	368,000
32	Morata Cement Plant	Cement Plant	Spain	347,944
33	Sagunto Catalina Project	Chemical Plant	Spain	346,500
34	Puertollano Fertilizers	Chemical Plant	Spain	346,500
35	Alicante Cement Plant	Cement Plant	Spain	344,009
36	Carboneras Cement Plant	Cement Plant	Spain	337,057
37	ArcelorMittal Sestao steel plant	Steel Plant	Spain	315,452
38	Hontoria Cement Plant	Cement Plant	Spain	301,524
39	Mataporquera Cement Plant	Cement Plant	Spain	293,789
40	Arrigorriaga Cement Plant	Cement Plant	Spain	291,876
41	Montcada i Reixac Cement Plant	Cement Plant	Spain	290,693
42	Corsa Petfood (Cardona)	Food & Beverage	Spain	283,506
43	Toral de los Vados Cement Plant	Cement Plant	Spain	244,641
44	Bunol Cement Plant	Cement Plant	Spain	242,869
45	Niebla Cement Plant	Cement Plant	Spain	234,769
46	Olazagutia Cement Plant	Cement Plant	Spain	231,047
47	Añorga Cement Plant	Cement Plant	Spain	230,143
48	Jerez Cement Plant	Cement Plant	Spain	218,313
49	Lemona Cement Plant	Cement Plant	Spain	215,109
50	Spain	Chemical Plant	Spain	211,914
51	Grupo Empresarial ENCE S.A. Divisíon de Celulosa - Pulp Mill Navia	Pulp & Paper Mill	Spain	209,957
52	Malaga Cement Plant	Cement Plant	Spain	208,320
53	FERROATLANTICA-DUMBRIA	Metals Plant	Spain	207,000
54	Cordoba Cement Plant	Cement Plant	Spain	187,727
55	ASESA Tarragona Asphalt Refinery	Refinery	Spain	168,475
56	Grupo Empresarial ENCE S.A. Divisíon de Celulosa - Pulp Mill Pontevedra	Pulp & Paper Mill	Spain	157,851
57	S.A.T. Nufri 1956	Food & Beverage	Spain	156,933
58	Oural Cement Plant	Cement Plant	Spain	152,863
59	XALLAS ELECTRICIDAD Y ALEACIONES, SAU-DUMBRIA	Metals Plant	Spain	150,000
60	FERROATLANTICA - FÁBRICA DE BOO	Metals Plant	Spain	145,000
61	FERROATLANTICA-CEE	Metals Plant	Spain	144,000
62	Repsol SA , Puertollano	Petrochemical	Spain	127,896
63	FERROATLANTICA DE BOO	Metals Plant	Spain	122,000
64	Acerinox Europa Los Barrios steel plant	Steel Plant	Spain	120,273
65	ALCOA INESPAL - AVILÉS	Metals Plant	Spain	118,000
66	Celsa Barcelona Castellbisbal steel plant	Steel Plant	Spain	116,543
67	ALCOA INESPAL, S.A. - LA CORUÑA	Metals Plant	Spain	112,000
68	Azucarera De Jerez - Centro De Guadalete	Food & Beverage	Spain	111,933
69	Cales De Pachs	Lime Plant	Spain	109,860
70	Roquette Laisa España	Food & Beverage	Spain	108,933
71	Bunge Iberica	Food & Beverage	Spain	104,933
72	Smurfit Kappa Nervión Pulp Mill	Pulp & Paper Mill	Spain	99,615
73	Lugo Province	Aluminium Smelter	Spain	94,176
74	Tudela de Vegin Cement Plant	Cement Plant	Spain	78,869
75	ArcelorMittal Olaberria-Bergara (Olaberria) steel plant	Steel Plant	Spain	75,369
76	Megasa Siderúrgica Narón steel plant	Steel Plant	Spain	70,159
77	Alcurnia Alimentación, S. L. U. - Fábrica De Alguazas	Food & Beverage	Spain	67,672
78	Grupo Gallardo Siderurgica Balboa Jerez de los Caballeros steel plant	Steel Plant	Spain	60,603
79	Riva Siderurgica Sevillana steel plant	Steel Plant	Spain	60,603
80	Agraz S.A.	Food & Beverage	Spain	56,288
81	General D'Olis I Derivats	Food & Beverage	Spain	55,961
82	Lactiber Leon , S.L.	Food & Beverage	Spain	53,231
83	El Pozo Alimentación	Food & Beverage	Spain	52,958
84	Complex Carni La Closa	Food & Beverage	Spain	52,794
85	Fábrica De Granada (Puleva Food, S.L. Sociedad Unipersonal)	Food & Beverage	Spain	52,739
86	Megasider Zaragoza steel plant	Steel Plant	Spain	50,114
87	Celsa Nervacero steel plant	Steel Plant	Spain	46,617
88	Celsa Global Steel Wire Santander plant	Steel Plant	Spain	34,963
89	Sidenor Aceros Especiales Basauri steel plant	Steel Plant	Spain	34,497
90	Grupo Gallardo Corrugados Getafe steel plant	Steel Plant	Spain	27,970
91	San Ciprian aluminium plant	Aluminium Smelter	Spain	20,116

Method: ranked from open data — capacity and CO₂e from Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0). Sorted server-side; company-level data only.