Arizona Sonoran Copper Company (ASCU) is actively working to restart the (the former ASARCO Sacaton Mine), located just outside of Casa Grande, Arizona . The project aims to transform this brownfield site into one of the largest copper cathode producers in the United States. Project Overview and Economics
According to the October 2025 Pre-Feasibility Study (PFS), the Cactus Project is envisioned as a long-life, low-cost operation with the following key highlights:
Located on privately held land, the project bypasses federal nexus, allowing for a more streamlined, state-led permitting process. Arizona Sonoran Copper aims to restart Cactus mine
Underpinned by approximately 5.3 billion pounds of copper mineral reserves. Restart Timeline and Milestones
Anticipated completion of the Definitive Feasibility Study (DFS) and receipt of major permit amendments (including Aquifer Protection and Industrial Air permits). Q4 2026: Target for a Final Investment Decision (FID) . 2027: Expected initiation of mine construction. Arizona Sonoran Copper Company (ASCU) is actively working
Features an after-tax Net Present Value (NPV) of US$2.3 billion and an Internal Rate of Return (IRR) of 22.8% based on a copper price of $4.25/lb.
Target for the first sustainable cathode production . Strategic Advantages Underpinned by approximately 5
The company is currently executing its , focusing on operational readiness with a budget of approximately US$75 million.