Facilities
10
Country Market
AI Data Centers in Japan
A source-backed view of AI data center activity inside the Japan market — operators, capacity, status, and energy profile. Japan has 10 tracked AI data center facilities with 2.2 GW of selected tracked capacity across 10 operators. 70% of facilities are operational.
Tracked Capacity
2.2 GW
Operators
10
Statuses
2
Operational
7
Direct Answer
How many AI data centers are in Japan?
ADCI currently tracks 10 AI data center facilities in Japan, including 10 map-ready locations and 2.2 GW of selected tracked capacity across 10 operators.
7 facilities are operational and 3 are in the pipeline. By facility count, leading operators include Amazon Web Services, NVIDIA, Oracle. Top geographic clusters by facility count are Tokyo.
Peer Ranking
Where Japan stands among 64 tracked countries.
By facility count#6of 64
By selected capacity#10of 64 · 2.2 GW
Nearby peers
Head-to-Head Comparisons
Pre-built matchups involving Japan — facility count, capacity, status mix, and energy breakdown side by side.
Market Composition
How this slice breaks down
Status, operator concentration, and energy profile across 10 facilities.
Status distribution
Operational770%
Under construction330%
Top operators by capacity
Energy mix
Renewable660%
Mixed220%
Other / Unknown220%
National Market Brief
How this country market is taking shape
A compact read on operator concentration, live-versus-pipeline mix, and the largest disclosed site in this national slice.
Machine-readable Data
Frequently asked questions
- How many AI data centers are in Japan?
- The AI Data Center Index currently tracks 10 AI data center facilities in Japan with a combined selected tracked capacity of 2.2 GW. 10 operators are active in the market.
- Where are AI data centers located in Japan?
- 10 facilities in Japan have map-ready coordinates. Use the geographic footprint map, facility table, and top cities summary on this page to compare locations.
- Which companies operate AI data centers in Japan?
- 10 operators have tracked facilities in Japan. Visit the operator breakdown on this page to see the full list with facility counts and capacity data.
Operators Present
Status Mix
Facilities
| Facility | Operator | Location | Capacity ↓ | Status | Energy | Workload | Readiness | Sources |
|---|---|---|---|---|---|---|---|---|
| Amazon Web Services | Japan Tokyo | 500 MW | operational | Renewable | Mixed | 2 | ||
| Microsoft | Japan Tokyo & Osaka | 500 MW | operational | Renewable | Mixed | 1 | ||
| AirTrunk | Japan Chiba | 300 MW | under construction | Renewable | General Cloud | 1 | ||
| SoftBank Corp.NVIDIA | Japan Tomakomai, Hokkaido | 300 MW | under construction | Renewable | Sovereign AI | 2 | ||
| Amazon Web Services | Japan Kansai | 150 MW | operational | Renewable | Mixed | 2 | ||
| SoftBank | Japan Osaka | 150 MW | under construction | Other | General Cloud | 1 | ||
| Oracle | Japan Kanto | 100 MW | operational | Renewable | OCI AI, Oracle Database AI, enterprise AI workloads | 2 | ||
| Oracle | Japan Kanto | 100 MW | operational | Mixed | Mixed | 2 | ||
| Alibaba Cloud | Japan Kanto | 80 MW | operational | Mixed | Inference | 2 | ||
| National Institute of Advanced Industrial Science and Technology (AIST)Hewlett Packard EnterpriseNVIDIA | Japan Kashiwa, Chiba | — | operational | Other | Mixed | 5 |