Copia Power Monarch (Mason Valley)
1.0 GW AI data center in Yerington, NV, United States — permitted.
- Capacity: 1.0 GW
- Location: Yerington, NV, United States
- Developer: Copia Power
- Status: permitted
Copia Power Monarch (Mason Valley) is a 1.0 GW AI data center project located in Yerington, NV, United States, currently permitted. It is being built by Copia Power. This project is one of thousands of data-center facilities tracked by Data Center Index across NV, United States — covering operational, under-construction, announced, and permitted sites.
Project description
Lyon County commissioners approved a zoning change Aug 7, 2026 for Copia Power's 1,000 MW, 4.6M sq ft Monarch data center campus on ~505 acres in Mason Valley near Yerington, with a 500 MW gas backup plant and battery storage; final design approval and state permits are still needed.
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