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Monday, November 9, 2026

Envision builds 800-megawatt Galaxy AI campus in Inner Mongolia

Infrastructure Monday, November 9, 2026 - Updated Nov 9, 2026 09:07

Envision has built the first 120 megawatts of its Galaxy AI data center campus at Ulanqab in Inner Mongolia in under a year, with up to 800 megawatts planned by the end of 2027, at about one fifth of the cost of comparable United States projects, SemiAnalysis reported.

Why it matters: At 800 megawatts the campus would approach the scale of the Stargate site in Abilene, Texas, and its wind, battery and 800-volt direct current design is a working test of whether China can build AI capacity faster and cheaper even while its access to the most advanced chips stays restricted.

Data as of Tom's Hardware report of November 9, 2026, read in full via the estate browser route in this run, reporting a SemiAnalysis site visit in September; single reporting chain, so the item is graded C and every figure is SemiAnalysis's as carried by Tom's Hardware. The article names no accelerator model in use at the campus. Developing item.

Envision has delivered the first 120 megawatts of its Galaxy AI data center campus in the Chahar High-tech Zone at Ulanqab, Inner Mongolia, in less than a year, and plans up to 800 megawatts of IT capacity across four phases by the end of 2027 for two unnamed internet company customers, according to a SemiAnalysis report carried by Tom’s Hardware. SemiAnalysis put the cost at about one fifth of comparable United States projects, against roughly 820 megawatts of critical IT capacity at the Stargate campus in Abilene, Texas.

The power design is the point of difference. Envision is building its own supply, with wind farms of 420 megawatts combined capacity intended to provide more than 60 percent of the electricity for the first two phases, plus four-hour battery storage, rather than relying on on-site gas turbines as United States developers have. A 5-megawatt pilot hall uses solid-state transformers to convert 10 kilovolt alternating current directly to 800-volt direct current for the server racks. Galaxy is the first project in Envision’s wider Inner Mongolia plans, which SemiAnalysis put at 3 gigawatts in total, and the report noted that buildings and power do not by themselves solve China’s constrained access to advanced accelerators.

Sources

  1. China builds massive 800-megawatt AI data center campus to rival US Stargate project - Tom's Hardware, reporting SemiAnalysis - 2026-11-09