Cassia County data center campus (about 1,077 acres optioned, 240 MW gas plant)
proposed Declo area, Cassia County, Idaho
DeveloperTerraVolt Holdings
Utilityon-site natural gas (behind the meter)
Capacity240 MW
Investmentunknown
Latest
2026-10-30
TerraVolt disclosed in an SEC filing that it holds an option on 1,077 acres east of Declo, running to Oct. 23, 2027, for a campus with a 240 MW on-site gas plant
Notes: Found in the whisper sweep. About 300 to 400 acres would be developed, with the rest kept as farmland and buffer, according to the company. Residents' reactions have been mixed.
Sources: SEC · Idaho News 6 · DCD