Biggest industrial CO₂ emitters in Norway

#	Facility	Type	Country	t CO₂e/yr
1	Equinor Mongstad Crude Oil Refinery	Refinery	Norway	2,527,215
2	Sunndalsora aluminium plant	Aluminium Smelter	Norway	865,096
3	Noretyl AS, Rafnes, Bamble	Petrochemical	Norway	848,245
4	Hydro Aluminium, Sunndal	Metals Plant	Norway	660,000
5	Yara Porsgrunn	Chemical Plant	Norway	630,300
6	Karmoy aluminium plant	Aluminium Smelter	Norway	583,940
7	Elkem Salten	Metals Plant	Norway	476,000
8	Aardal aluminium plant	Aluminium Smelter	Norway	441,199
9	Husnes aluminium plant	Aluminium Smelter	Norway	432,548
10	Mosjoen aluminium plant	Aluminium Smelter	Norway	432,548
11	Alcoa Mosjøen	Metals Plant	Norway	425,000
12	Vedde As	Food & Beverage	Norway	401,300
13	Hydro Aluminium, Karmøy	Metals Plant	Norway	336,000
14	ERAMET NORWAY AS, Sauda	Metals Plant	Norway	320,000
15	Elkem Bremanger	Metals Plant	Norway	319,000
16	Hydro Aluminium, Årdal Metallverk	Metals Plant	Norway	304,095
17	Trondheim Tjeldbergodden Methanol	Chemical Plant	Norway	300,375
18	Elkem Rana AS	Metals Plant	Norway	298,000
19	Finnfjord	Metals Plant	Norway	284,000
20	Elkem Thamshavn	Metals Plant	Norway	277,000
21	Wacker Chemicals Norway	Metals Plant	Norway	274,000
22	Brevik Cement Plant	Cement Plant	Norway	257,971
23	Eramet Norway Kvinesdal	Metals Plant	Norway	228,000
24	Kjopsvik Cement Plant	Cement Plant	Norway	213,423
25	Eramet Norway AS, Porsgrunn	Metals Plant	Norway	185,000
26	ELKEM ASA AVD BJØLVEFOSSEN	Metals Plant	Norway	174,000
27	Elkem Bjølvefossen	Metals Plant	Norway	172,000
28	Norfrakalk	Lime Plant	Norway	167,177
29	Alcoa aluminium, Lista	Metals Plant	Norway	160,000
30	Sør-Norge Aluminium	Metals Plant	Norway	142,000
31	Hoyanger aluminium plant	Aluminium Smelter	Norway	140,578
32	Ferroglobe Mangan Norge AS	Metals Plant	Norway	139,730
33	Lista aluminium plant	Aluminium Smelter	Norway	138,415
34	Rhi Normag As	Lime Plant	Norway	138,147
35	ERAMET NORWAY AS, Porsgrunn	Metals Plant	Norway	131,000
36	Hydro Aluminium, Høyanger	Metals Plant	Norway	104,000
37	Sma Mineral As	Lime Plant	Norway	76,331
38	Verdalskalk Hylla	Lime Plant	Norway	76,331
39	MM FOLLACELL Pulp Mill	Pulp & Paper Mill	Norway	70,255
40	Sev.en GI Mo i Rana steel plant	Steel Plant	Norway	63,261
41	Vafos Pulp - Heva Holding	Pulp & Paper Mill	Norway	43,234
42	NOR-Aure_methanol	Chemical Plant	Norway	40,146
43	Rygene - Smith & Thommesen A/S	Pulp & Paper Mill	Norway	37,830
44	Borregaard ChemCell	Pulp & Paper Mill	Norway	32,425
45	Giax Produksjon As	Textiles	Norway	4,270
46	Glencore Manganese Norway	Metals Plant	Norway	2,730

Method: ranked from open data — capacity & CO₂e from Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0). Sorted server-side; click any column to re-sort. Company-level data only.