Facilities
175
Total capacity
2.5 GW
Operators
35
Top operators in Japan
Equinix
35
KDDI Telehouse
17
NTT DOCOMO BUSINESS
14
AT Tokyo
10
NEC Corporation
10
AirTrunk
8
Digital Realty
8
IDC Frontier
7
NTT DATA
7
KDDI
7
Largest operational data centers in Japan
Under construction / planned
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Browse by state / region
Top cities for data centers in Japan
Tokyo, Tokyo
38
Osaka, Osaka
12
Inzai City, Chiba
4
Inzai, Chiba
3
Shiroi, Chiba
2
Utsunomiya, Tochigi
1
Minoh, Osaka
1
Osaka, Osaka Prefecture
1
Musashino City, Tokyo
1
Seika Town, Kyoto
1
Ibaraki, Osaka
1
Yawata, Kyoto
1
Kyotanabe, Kyoto
1
Nagoya, Aichi
1
Takamatsu, Kagawa
1
Kawaguchi, Saitama
1
All data centers in Japan (175)
| Name | Operator | City | Power (MW) | Status |
|---|---|---|---|---|
| TOK1 Tokyo East | AirTrunk | Inzai, Chiba | 300.0 | partially_operational |
| Japan TYO01 | EdgeConneX | Kyotanabe | 142.0 | under_construction |
| EdgeConneX Kyotanabe 1&2 | EdgeConneX | Kyoto | 142.0 | planned |
| Kyotanabe 1,2 | EdgeConneX | Kyotanabe, Kyoto | 142.0 | planned |
| TOK2 Tokyo West | AirTrunk | Tokyo, Tokyo | 110.0 | operational |
| EdgeConneX Yawata 1,2&3 | EdgeConneX | Kyoto | 108.0 | planned |
| Yawata 1,2,3 | EdgeConneX | Yawata, Kyoto | 108.0 | planned |
| Japan TYO02 | EdgeConneX | Yawata | 108.0 | planned |
| GDC - Tochigi 1 Data Centers | NTT DATA, Inc. | Utsunomiya, Tochigi | 100.0 | planned |
| OSK2 Osaka East | AirTrunk | Osaka, Osaka | 100.0 | under_construction |
| PDG Tokyo TY1 | Princeton Digital Group | Saitama | 96.0 | operational |
| KIX01 | Stack Infrastructure | Osaka | 80.0 | under_construction |
| AT Tokyo Chuo Center CC1 | AT Tokyo | Tokyo | 70.0 | operational |
| Osaka (OSA1) | Vantage | Ibaraki | 68.0 | under_construction |
| Osaka KIX1 Campus | Vantage Data Centers | Ibaraki, Osaka | 68.0 | planned |
| Osaka (KIX1) Data Center Campus | Vantage Data Centers | Osaka, Osaka | 68.0 | under_construction |
| IDC Frontier Tokyo Fuchu | IDC Frontier | Fuchu | 50.0 | operational |
| CyrusOne KEP OSK1 | CyrusOne | Osaka, Osaka | 48.0 | planned |
| CyrusOne KEP OSK1 - Osaka | CyrusOne Data Centers | Seika Town, Kyoto | 48.0 | under_construction |
| Osaka OSK1 | CyrusOne | Osaka | 48.0 | under_construction |
| AT Tokyo DC5 | AT Tokyo | Tokyo | 40.0 | verified |
| TKY01 | Stack Infrastructure | Inzai | 36.0 | operational |
| Global Switch Tokyo TKY1 | Global Switch | Tokyo | 30.0 | verified |
| SoftBank IDC Frontier Tokyo | SoftBank | Tokyo | 25.0 | verified |
| Shiroi 1 Data Center | NTT DATA, Inc. | Shiroi, Chiba | 24.0 | planned |
| Global Switch Tokyo TKY2 | Global Switch | Tokyo | 24.0 | verified |
| STT Tokyo NRT | ST Telemedia GDC | Tokyo | 24.0 | verified |
| Tokyo Shiroi | NTT | Tokyo | 24.0 | operational |
| Tokyo TKY11 Data Center | NTT DATA, Inc. | Shiroi, Chiba | 24.0 | planned |
| Tokyo 11 Data Center | NTT DATA, Inc. | Musashino City, Tokyo | 21.0 | operational |
| OSK1 Osaka West | AirTrunk | Osaka, Osaka | 20.0 | operational |
| NTT DATA Tokyo DC1 | NTT DATA | Tokyo | 20.0 | verified |
| Global Switch Osaka OSK | Global Switch | Osaka | 18.0 | verified |
| TKY01B | STACK INFRASTRUCTURE | Inzai, Chiba | 18.0 | operational |
| TKY01A | STACK INFRASTRUCTURE | Inzai, Chiba | 18.0 | operational |
| Osaka North 1 | NTT | Osaka | 18.0 | operational |
| NTT DATA Tokyo DC2 | NTT DATA | Tokyo | 18.0 | verified |
| Google Inzai Data Center | Google Cloud | Inzai City | 15.0 | operational |
| SoftBank IDC Frontier Shirokane | SoftBank | Tokyo | 15.0 | verified |
| NTT DATA Mitaka DC | NTT DATA | Tokyo | 15.0 | verified |
| SoftBank IDC Frontier Osaka | SoftBank | Osaka | 12.0 | verified |
| NTT DATA Osaka DC1 | NTT DATA | Osaka | 12.0 | verified |
| NTT DATA Osaka DC2 | NTT DATA | Osaka | 10.0 | verified |
| SoftBank Fukuoka DC | SoftBank | Fukuoka | 8.0 | verified |
| NTT DATA Yokohama DC | NTT DATA | Yokohama | 8.0 | verified |
| SoftBank Hokkaido DC | SoftBank | Sapporo | 6.0 | verified |
| NTT DATA Nagoya DC | NTT DATA | Nagoya | 6.0 | verified |
| Equinix TY4 | Equinix | Tokyo, Tokyo | 2.0 | operational |
| NEC Kanagawa Data Center | NEC Corporation | Kawasaki | — | verified |
| AT Tokyo DC3 | AT Tokyo | Tokyo | — | verified |
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Frequently asked questions
How many data centers are tracked in Japan?
175 tracked data centers across 9 states/regions.
What is the total data center capacity in Japan?
Approximately 2.5 GW across 35 operators.
What is the largest data center in Japan?
The largest tracked facility is TOK1 Tokyo East, operated by AirTrunk (300 MW).