{
  "id": 17967723,
  "title": "China deploys 'world's first' 800-volt DC power system for massive AI data center — seeks to quench power needs with higher conversion and efficiency inside a smaller footprint",
  "url": "https://urgent.news/2026/11/03/china-deploys-worlds-first-800-volt-dc-power-system-for-massive-ai",
  "topic": "ai",
  "section": "AI",
  "published": "2026-11-03T12:40:09.000Z",
  "source": {
    "name": "Tom's Hardware",
    "slug": "tom-s-hardware",
    "url": "https://www.tomshardware.com/tech-industry/data-centers/china-deploys-worlds-first-800-volt-dc-power-system-for-massive-ai-data-center-seeks-to-quench-power-needs-with-higher-conversion-and-efficiency-inside-a-smaller-footprint"
  },
  "original_language": "en",
  "account": "Envision Energy has successfully implemented the world's first commercial deployment of an 800-volt DC power system in a data center. The Dubhe Controller, supported by the Dubhe Energy Foundation Model, has been in use at the company's Galaxy AI data center in Ulanqab, Inner Mongolia, China, since August. This innovative system promises superior power architecture, increased computing density, and higher efficiency, all while occupying a smaller footprint. The Galaxy campus is projected to reach a capacity of 3GW, eventually supporting up to one million AI accelerators.\n\nTraditionally, data centers require multiple stages of power conversion to obtain a usable supply from the grid. However, Envision's Dubhe technology converts power directly from 10kV medium-voltage AC to an 800V DC bus, thereby enhancing efficiency and reducing the size of the power conversion apparatus. The system relies on three key capabilities: stable solid-state transformer conversion directly from 10kV medium voltage to an 800V DC bus, battery storage for second-scale power support and short-term backup, and millisecond-level coordination between SST and storage to handle GPU load fluctuations.\n\nIn addition to the integrated battery support, the system is designed to accommodate higher-density AI racks, allowing for more computing power in the same area. Furthermore, it is tailored to work effectively with renewable energy sources and storage. The AI-driven power management provided by the Envision Dubhe controller helps strike a balance between power supply and computing demand. Consequently, the Dubhe tech system has proven to be highly efficient and promising for the expansion of the compute resources at the Galaxy AI data center in Ulanqab. Moreover, Envision aims to extend this 800V DC technology to its Mission Gobi initiative, targeting 5GW of green AI data center capacity in desert regions by 2030.",
  "summary": "Firm says it has completed the world’s first commercial data center deployment of an integrated 800-volt DC power system.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}