Sigma Lithium resumes operations after appeals court upholds environmental licenses
SGML•Sigma Lithium resumed mining and processing after an appeals court upheld its environmental licenses, overturning a suspension issued on Sept. 8, 2026. The company reaffirmed guidance for annualized lithium oxide concentrate output of 330,000 tonnes by year-end 2027.
1. Operations resume
The ruling overturned an emergency suspension issued by a local federal judge on Sept. 8, 2026. Sigma rejected media reports citing a safety-related mitigation notice, said it does not operate the North Pit referenced, and reported more than 1,100 days without lost-time accidents.
