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Solano County
2 data center projects we know about. 8 cities and unincorporated areas.
Built & runningBeing builtApproved, not built yetProposedStopped or cancelled
Projects
Proposed
North Bay Solutions Park data center (Fairfield)
Fairfield, Solano County
300 acres
🕒 Aug 17, 2026: The Vallejo Sun reported investor slides pitching a 150 MW data center on the 300-acre s…
Reported in the news, not confirmed yet
Stopped or cancelledGlobal Stack 'AI emergency shelter' pitch at Solano County Fairgrounds
Vallejo, Solano County
🕒 July 15, 2026: The fair board removed the Global Stack contract from its agenda after residents objecte…
Local votes and rules
🗳️ Public vote · Solano County
Supervisors put Measure E on the November 3, 2026 ballot. It would tax data centers in unincorporated areas $5 per square foot each year, plus new taxes on energy projects.
July 2026Source
Find your town
In California, cities and towns decide inside their limits. Outside them, the county decides.