China Unicom Hohhot Cloud Data Centre (中国联通呼和浩特云数据中心)
Hohhot, Inner Mongolia, China · Horinger and Hohhot market · location approximate to city level
China Unicom Hohhot Cloud Data Centre (中国联通呼和浩特云数据中心) is a data center project in Hohhot, China, operated by China Unicom Inner Mongolia (中国联通内蒙古分公司). It is operational and expanding. The operator has not published an IT load figure. It is planned for 30,000 racks, with 10,800 in service. ArusGrid does not convert racks into MW.
Latest change on record: moved to expanding on 19 June 2025. Record last checked against its sources on 19 October 2026.
Planned IT load
Not published
Running now
Not disclosed
Operators rarely publish this
Operator
China Unicom Inner Mongolia (中国联通内蒙古分公司)
Telco
Will it get built?Built7 of 7 gates passed
✓ Land secured✓ Power arranged✓ Approvals granted✓ Money committed✓ Tenant or own use✓ Builder appointed✓ Construction started
This project is built or running, so every gate counts as passed.
Build odds is ArusGrid's reading of the public record, not a forecast, a rating or advice. It counts the gates this project has passed in public sources. Private progress does not show, a passed gate can be undone, and projects that pass every gate still stop. The method has not yet been tested against outcomes. How it works.
China, 2026-10-12. China coverage is a pilot of one cluster, Zhongwei in Ningxia, entered on 12 October 2026 from Chinese-language primary and state press sources. Other Chinese hubs are not yet covered, so no China total here describes the country. Many Chinese projects publish rack counts and no megawatts. ArusGrid records the rack count and leaves capacity blank rather than convert it.
Where it sits
Horinger and Hohhot holds 10 active projects with 298 MW of planned IT load between them, and China Unicom Hohhot Cloud Data Centre (中国联通呼和浩特云数据中心) has no published figure so it sits outside that ranking. Of those, 3 are operational, 1 is operational and expanding, 1 is under construction, 2 are at the land and permitting stage and 3 are announced only. No third party publishes a colocation vacancy rate for Horinger and Hohhot, and ArusGrid does not estimate one.
China Unicom has 9 others in China tracked by ArusGrid, including China Unicom Zhongwei Cloud Data Center, China Unicom (Huailai) Big Data Innovation Industrial Park (中国联通（怀来）大数据创新产业园) and China Unicom Southwest Data Center (Chongqing Shuitu). It sits on the China Unicom Hohhot cloud data centre base, 2.6km north of Hohhot high-speed rail station campus. No tenant has been disclosed, which is normal for colocation and says nothing about occupancy.
The build is phased. DC1 to DC3, 10,800 racks is operational with a 2013 target; DC4 and DC5 is commissioning with a 2025 target; DC6 to DC8, 15,000 10kW-equivalent racks is under construction. The dated record runs from operational on 1 January 2013 to operational and expanding on 19 June 2025. The money on record is CN¥3.1bn as of August 2025, the announced investment. Cooling uses air cooling.
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”. ArusGrid holds 9 public sources for this project, the latest dated 10 October 2026, and last checked the record on 19 October 2026.
How well evidenced is it
Running capacity. The site is operational or expanding. The rules are fixed and published on the Methodology page.
Named funderNo
Disclosed clientNo
Committed or approved capitalYes
Dated, sized phaseNo
Three or more sourcesYes
Dated source in the last 24 monthsYes
AI workloads
StatusConfirmed
A Huawei Ascend 910C air-cooled supernode cluster of about 300 PFLOPS (BF16) went live on 31 Aug 2025. China Unicom calls the site its super-large training centre node.
Access to AI chips
GradeLicence required for a party
A party to this project (its operator, that operator's group, a funder, or a confirmed client) is headquartered in China or Macau or has an ultimate parent there. US rules require a licence for advanced AI chips destined to such entities wherever they are located. This describes the rule and says nothing about whether a licence was sought, granted or refused. Criteria are published on the Methodology page.
US licence required for this destination as enforcedYes
A party headquartered in China or Macau on the projectYes
Country-level export frameworkNo
A party named in a government authorisationNo
US approved operator or confirmed client on the projectNo
Named chip-vendor partnershipNo
Licence required, presumption of denial, case-by-case review for H200-class chips since 15 January 2026 · Licence required, presumption of denial, case-by-case review for H200-class chips since 15 January 2026 (2026-10-07) source
Phases
DC1 to DC3, 10,800 racks · OperationalSize not published, target 2013
DC4 and DC5 · CommissioningSize not published, target 2025
DC6 to DC8, 15,000 10kW-equivalent racks · Under constructionSize not published
Stage history
Who is behind it
OperatorChina Unicom Inner Mongolia (中国联通内蒙古分公司) · Telco
Who uses the compute
No tenant disclosed. Most colocation leases are confidential, so this says nothing about occupancy. Not yet checked against second-order sources.
Money at this site
Announced investment, 2025-08CN¥3.1bn
Colocation price per kW of IT load per month
No published price band exists for China, and ArusGrid does not estimate from the regional benchmark alone. What was searched is listed on the Colo prices page.
Project team
Design and build contractor中讯邮电设计院 (China Unicom design institute) · Jul 2026 Reported source ↗ Consortium member on both Hohhot DC7 (Huawei-led, 912m yuan ex-tax) and DC6 (ZTE-led, 893m yuan ex-tax) electromechanical new-build works.
Mechanical and electrical works华为技术服务有限公司 · CNY 912m · Jul 2026 Reported source ↗ Consortium lead for the Hohhot cloud data base DC7 electromechanical new-build works (DC7机电新建工程), with 中讯邮电设计院 and 中建一局. Award reported by 2026-07-14; award date not stated.
Mechanical and electrical works中国建筑一局（集团）有限公司 (中建一局) · Jul 2026 Reported source ↗ Consortium member, Hohhot DC7 electromechanical new-build works led by 华为技术服务. Consortium price 912m yuan ex-tax.
Mechanical and electrical works中兴通讯技术服务 (ZTE technical services) · CNY 893m · Jul 2026 Reported source ↗ Consortium lead for the Hohhot cloud data base DC6 electromechanical new-build works (DC6机电新建工程), with 中讯邮电设计院. Award reported by 2026-07-14; award date not stated.
Land
Site273,333 sqm · Aug 2025 Reported source ↗ Source states 410 mu; converted at 666.7 sqm per mu. Counterparty not disclosed. Land use rights in China are granted by the state.
Power supply
Dedicated substation110kV · Apr 2025 Reported source ↗ A 110kV substation of about 3,000 sqm is being built with the DC6, DC7 and DC8 data centres (about 150,000 sqm). Capacity in MVA not stated. · Applies to the whole campus.
Water and cooling
Northern cold air is drawn directly into the halls (fresh-air free cooling). Separately, an air-cooled Huawei Ascend 910C supernode cluster went live here on 2025-08-31.
Sources checked 2026-10-19
- 中国联通呼和浩特云数据中心DC6/7/8楼项目奠基开工 (人民邮电报 (新浪财经转载), 2025-08-11)
- 内蒙古联通以5G-A、智算与创新应用全面赋能千行百业 (C114通信网, 2025-10-13)
- 看见数智内蒙：船行中流更奋楫 (飞象网 (新浪科技转载), 2024-08-06)
- 三大运营商内蒙古算力中心对比：电信和联通紧追不舍 移动排不上号？但自称“最大” (运营商财经网 (新浪转载), 2024-04-10)
- 高质量发展看联通｜大青山下，一股“算力活水”正涌出草原 (新华网, 2026-09-05)
- 半年超157亿元！运营商智算中心加速“跑”（附图） (通信产业报 (网易号), 2026-07-14)
- 2025年中国联通数科呼和浩特云数据基地DC678数据中心以及配套110KV变电站土建工程施工图审查服务询比采购公告 (千里马招标网 (repost of China Unicom procurement notice), 2025-04-11)
- 独家！运营商AIDC基建投资监测：中移三大工程领衔 8月招标金额182亿 (C114通信网, 2026-09-03)
- 独家！运营商AIDC基建投资监测：9月预算总额超137亿元 中移居三家之首 (C114通信网, 2026-10-10)
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