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Biggest industrial CO₂ emitters in Switzerland

The highest-emitting industrial facilities in Switzerland ranked by estimated annual CO₂e (Climate TRACE, modelled). Open data.

#	Facility	Type	Country	t CO₂e/yr
1	Varo Cressier Refinery	Refinery	Switzerland	607,626
2	Untervaz Cement Plant	Cement Plant	Switzerland	356,766
3	Eclepens Cement Plant	Cement Plant	Switzerland	287,105
4	Moriken Wildegg Cement Plant	Cement Plant	Switzerland	240,195
5	Pery La Heutte Cement Plant	Cement Plant	Switzerland	215,365
6	Wurenlingen Cement Plant	Cement Plant	Switzerland	197,632
7	Cornaux Cement Plant	Cement Plant	Switzerland	92,839
8	Stahl Gerlafingen steel plant	Steel Plant	Switzerland	50,453
9	Swiss Steel Emmenbrücke plant	Steel Plant	Switzerland	45,547
10	CHE-Visp_ammonia	Chemical Plant	Switzerland	39,480
11	Lonza Ltd. , Visp	Petrochemical	Switzerland	32,625
12	Constellium Valais SA	Metals Plant	Switzerland	13,900
13	Cremo Sa	Food & Beverage	Switzerland	8,319
14	Constellium Valais SA	Metals Plant	Switzerland	6,110
15	Estavayer Lait Sa	Food & Beverage	Switzerland	5,861
16	Cremo Sa / Werk Thun	Food & Beverage	Switzerland	5,520
17	Cremo Sa / Usine De Lucens	Food & Beverage	Switzerland	2,229
18	Cremo Sa	Food & Beverage	Switzerland	2,118
19	vonRoll casting (rondez) sa	Metals Plant	Switzerland	1,776
20	vR production (choindez) sa	Metals Plant	Switzerland	64
21	DGS Druckguss Systeme AG	Metals Plant	Switzerland	3

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.