Powered land and data center infrastructure developer TerraVolt Infrastructure has signed a firm natural gas supply agreement to power a behind-the-meter onsite power plant at its master-planned data center campus in Southeast Idaho.

The supplier, which has not been named, will provide 55,000MM British thermal units per day of natural gas under the deal, which TerraVolt claims will power the initial phase of its campus development, targeting 200-240MW of capacity. The campus is situated on the Northwest Natural Gas Pipeline, reducing the extent of infrastructure buildout.

In addition to the fuel supply, the unnamed partner will also provide fuel management services, which the company claims will help manage power plant fluctuations and control costs as data center buildings come online.

TerraVolt is a subsidiary of CalEthos. Its model packages behind-the-meter natural gas generation with pre-permitted, construction-ready land and fiber connectivity, which it markets to hyperscalers, neoclouds, and data center developers as a faster alternative to traditional grid interconnection.

Joel Stone, chairman and CEO, said the project is designed to serve data center customers “without impacting the local grid or increasing the cost of power to the local rate payers.” He added that the campus structure aligns with President Trump’s March 2026 Ratepayer Protection Pledge, which requires technology companies to cover the cost of power infrastructure supporting their data center expansion.

CalEthos launched TerraVolt in July of last year as an Infrastructure-as-a-Service (IaaS) platform to provide turnkey solutions to hyperscalers, colocation providers, and data center developers seeking an expedited route to market. The company was originally positioned as a geothermal energy producer, but has since pivoted to natural gas solutions.

CalEthos is a sustainable data center developer based in Tustin, California. It is currently developing its data center in Southern California’s Lithium Valley. Slated to have a capacity of 420MW, CalEthos says that the data center will be powered by 100 percent geothermal and solar energy.