Fluidstack Cameron County Campus

AI data center in Rio Hondo, TX, United States — under construction.

Fluidstack Cameron County Campus is a AI data center project located in Rio Hondo, TX, United States, currently under construction. It is being built by Fluidstack. The estimated build cost is $4.0B. This project is one of thousands of data-center facilities tracked by Data Center Index across TX, United States — covering operational, under-construction, announced, and permitted sites.

Project description

County worksite permit issued Sep 10, 2026 for land clearing, grading and utilities on a 1,100+ acre site four miles southwest of Rio Hondo; $4B phase one, construction start autumn 2026, phase-one completion mid-2028; building permits and ERCOT approval still pending.

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