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Fluidstack Cameron County Campus

Last updated

Rio Hondo AI campus
Early works / site prep

A $4 billion Fluidstack AI campus on more than 1,100 acres of unincorporated Cameron County, about four miles southwest of Rio Hondo. Site work started under a county worksite permit on September 10, 2026, with phase one targeted for mid 2028. It is the second Rio Grande Valley campus on the map and the first there to reach ground.

Planned power
Developer
Fluidstack
Owner
Fluidstack
Tenant
Not disclosed
Power detail
Capacity in megawatts is not disclosed. Power is to come through AEP Texas, with Fluidstack saying it will finance its own infrastructure.
Power source
AEP Texas
Cooling
Closed loop and air cooled, with water from East Rio Hondo Water Supply Corporation. The company puts use at about 50,000 gallons of potable water a day during construction and about 7,000 gallons a day once operating.
Compute
AI compute; no configuration disclosed
Construction start
September 2026 (site work under a county worksite permit)
Est. completion
Phase one targeted for completion by mid 2028
Grid strategy
ERCOT grid
County
Cameron
Nearest city
Rio Hondo
Announced
2026-09-10