In the span of four weeks in April 2026, Peru’s Ministry of Energy and Mines revoked the $1.8 billion Tía María copper project’s exploitation permit, ordered a full technical review, and quietly reauthorized it — all while the country navigated a chaotic first round of presidential elections. The episode exposed a pattern that goes far beyond documentation gaps: regulatory decisions in Latin America routinely bend under political pressure and community opposition, regardless of a project’s formal compliance status. For miners and financiers tracking the region, Tía María became a textbook illustration of why legal approvals alone can’t neutralize risk.
Sebastian Pérez-Ferreiro, Mining Practice Co-Director at Americas Market Intelligence (AMI), wrote about the case for MINING.COM, drawing on AMI’s latest Managing Mining Risk in Latin America report. He noted:
“Regulations in Latin America are not written for the long term but rather as a tool to achieve a shorter-term political or commercial end.”
And further:
“Miners who focus solely on a legal approach to managing regulations fail to see that regulatory risk will never end so long as influential figures oppose the mining project.”
Read the full op-ed by Sebastian Pérez-Ferreiro in MINING.COM: Op-Ed: Tia Maria’s whiplash year highlights LatAm regulatory risk
