ArusGrid tracks 8 active data center projects in Huailai, China, with 1,294 MW of planned IT load. Of these, 2 are operational, 5 are operational and expanding and 1 is under construction. Operators have disclosed 700 MW actually running, a figure most of them do not publish.
The largest project is Hoyinn Data (Huailai) Technology Industrial Park (合盈数据（怀来）科技产业园) at 700 MW, operational. The operators with the most planned capacity here are Hoyinn (700 MW across 1 project), China Unicom (244 MW across 1 project) and Chindata (200 MW across 1 project). No third party publishes a colocation vacancy rate for Huailai, and ArusGrid does not estimate one.
The US export control position for advanced AI chips in China, as of 7 October 2026, is recorded as “Licence required, presumption of denial, case-by-case review for H200-class chips since 15 January 2026”.
| Project | City | Stage | Planned MW | Running MW | Operator | AI |
|---|---|---|---|---|---|---|
| Hoyinn Data (Huailai) Technology Industrial Park (合盈数据（怀来）科技产业园) | Zhangjiakou | Operational | 700 | 700 | Beijing Zhongke Hoyinn Data Technology (北京中科合盈数据科技有限公司) | Likely |
| China Unicom (Huailai) Big Data Innovation Industrial Park (中国联通（怀来）大数据创新产业园) | Zhangjiakou | Expanding | 244 | undisclosed | China Unicom (中国联通) | Likely |
| Chindata Huanshoudu Huailai Headquarters Base (秦淮数据环首都·怀来总部基地) | Zhangjiakou | Expanding | 200 | undisclosed | Chindata Group (秦淮数据集团) | Likely |
| China Telecom Smart Cloud Base, Huailai Park (中国电信智云基地怀来园区) | Zhangjiakou | Expanding | 150 | undisclosed | China Telecom (中国电信) | Likely |
| Aofei Data Hebei Huailai Data Centre (奥飞数据河北怀来数据中心项目) | Zhangjiakou | Under construction | 15,000 racks * | undisclosed | Aofei Data (奥飞数据) | No signal either way |
| CapitalOnline Huailai Data Centre, Jingbei Cloud Computing R&D Centre (首都在线京北云计算软件研发中心项目-算力中心) | Zhangjiakou | Operational | 4,160 racks (832 live) * | undisclosed | CapitalOnline (首都在线) | Likely |
| Tencent Huailai Dongyuan Cloud Data Centre (腾讯怀来东园云数据中心) | Zhangjiakou | Expanding | none published | undisclosed | Tencent (腾讯) | No signal either way |
| Tencent Huailai Ruibei Cloud Data Centre (腾讯怀来瑞北云数据中心) | Zhangjiakou | Expanding | none published | undisclosed | Tencent (腾讯) | No signal either way |
China Unicom · Chindata · China Telecom · Tencent
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