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EC (environmental clearance) production caps
What it is
Environmental clearance granted to a mine specifies a maximum permitted production, and exceeding it is a violation regardless of demand or reserves. Raising the cap requires fresh appraisal and often public consultation
Clearance conditions also govern overburden handling, water use, air quality and transport routes
Impact on industries
- Production is capped by paperwork rather than geology, so a miner cannot respond to a price upcycle without a clearance process taking quarters or years
- Breaches carry closure orders and penalties, and past excess-production cases have generated large retrospective demands
- For incumbents with headroom in existing clearances, the constraint is a barrier protecting them from new supply
- Critical mineral projects are exempt from mandatory public hearings, so clearance speed now varies by mineral rather than being uniform