5 non-ferrous metals plants in Switzerland, ranked by listed capacity and estimated CO₂ — from open data.
| # | Facility | unitless | t CO₂e/yr |
|---|---|---|---|
| 1 | Constellium Valais SA | — | 13,900 |
| 2 | Constellium Valais SA | — | 6,110 |
| 3 | vonRoll casting (rondez) sa | — | 1,776 |
| 4 | vR production (choindez) sa | — | 64 |
| 5 | DGS Druckguss Systeme AG | — | 3 |
Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
