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Envision says its 800 V DC power system, fed by solid-state transformers from 10 kV, is in commercial use at an AI campus in Inner Mongolia
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TechRadar reports that China's Envision says it has put an integrated 800-volt direct current power architecture into commercial operation at its Galaxy AI campus in Ulanqab, Inner Mongolia, after trials of its Dubhe controller began in August 2026. The design uses a solid-state transformer to convert 10 kV medium-voltage AC directly to an 800 V DC distribution line, with batteries that respond to fast GPU load swings and give backup for several minutes. Envision says the Galaxy campus is expected to grow to 3 GW and links the system to its Mission Gobi plan for 5 GW of renewable-powered computing by 2030. Envision calls it the first commercial use of this configuration. It has not published independently verified efficiency, cost or full-load figures.
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