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TerraVolt Infrastructure

Cassia County Data Center Campus

Cassia County, Idaho

This pin marks the center of Declo. Our source gives no street address, so we can’t show the building. The town’s point is from the USGS register of place names.

Proposed · first reported Apr 10, 2025

Capacity
240 MWannounced
To protected land
~13miabout, from the center of Declo to Oregon-California Trail Junction Area of Critical Environmental Concern

This pin marks the center of Declo. Our source gives no street address, so we can’t show the building.

Imagery © Esri, Maxar, Earthstar Geographics
  • Capacity240 MWannounced: “which TerraVolt claims will power the initial phase of its campus development, targeting 200-240MW of capacity.”
  • FootprintLarge with capacity not disclosed
  • Grid regionBPA

The source

“which TerraVolt claims will power the initial phase of its campus development, targeting 200-240MW of capacity.”
Data Center Dynamics

Source-checked, read back against the document on Sep 10, 2026.

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