Chile approves environmental permit for largest green hydrogen project yet to reduce copper mining emissions

Susterra’s planned US$423m facility in Calama will scale up to 200MW in the early 2030s

Trucks at Chuquicamata, the world's biggest open pit copper mine, near Calama, Chile — Trucks at Chuquicamata, the world's biggest open pit copper mine, near Calama, ChilePhoto: Shutterstock

Polly Martin

Chief Reporter

Published 5 September 2025, 09:18Updated 5 September 2025, 09:25

Chile Green H2 Mining