Country · JP

🇯🇵JapanData centers in Japan

Asia · Eastern Asia123.4M residents$4.4T GDPWorld Bank

120

Facilities

112 operational

958MW

Operational MW

16% of facilities publish MW

≈52MW

Under construction

3 sites

≈147MW

Planned MW

3 planned sites

$21.2B

Announced investment

projects, published

Operators

Cloud regions

Hyperscale

AI facilities

Rankings#4/50Countries by cloud regions #4/87Countries by facility count #18/47Facilities per million residents #3/10Countries by facilities opened in the last 3 years #4/29Countries by hyperscale facilities

Map

Facilities in the country; hollow rings are city-level locations. Cloud regions are listed below.

Open Japan in map

Growth

By opening year of indexed facilities. Facilities without a published opening date are not charted.

Facilities (cumulative, by opening year)

Known MW (cumulative, published figures)

MW not published by year

Operators in this country have not published enough dated capacity figures to chart.

Breakdown

Status and facility type of indexed records.

Status

Operational11293%
Construction33%
Announced33%
Unknown22%

Type

Top operators

28 operators with facilities in Japan

All facilities →

Markets

5 metros with indexed infrastructure

Market	Facilities	Known MW	Pipeline	Cloud regions	Operators
TokyoKantō	51	150 MW	—	7	14
OsakaKansai	24	206 MW	≈96.4 MW	6	12
FukuokaKyūshū	12	—	—	0	4
Hokkaidō	4	—	—	0	3
NagoyaChūbu	1	—	—	0	1

Cloud regions

13 public cloud regions located in Japan

All cloud regions →

Provider	Code	Name	City	AZs	Status	Launched
Alibaba CloudJapan (Tokyo)	ap-northeast-1	Japan (Tokyo)	Tokyo	5	operational	2016
Amazon Web ServicesAsia Pacific (Tokyo)	ap-northeast-1	Asia Pacific (Tokyo)	Tokyo	4	operational	—
Amazon Web ServicesAsia Pacific (Osaka)	ap-northeast-3	Asia Pacific (Osaka)	Osaka	3	operational	—
GoogleTokyo (asia-northeast1)	asia-northeast1	Tokyo (asia-northeast1)	Tokyo	3	operational	—
GoogleOsaka (asia-northeast2)	asia-northeast2	Osaka (asia-northeast2)	Osaka	3	operational	—
IBMOsaka (jp-osa)	jp-osa	Osaka (jp-osa)	Osaka	3	operational	—
IBMTokyo (jp-tok)	jp-tok	Tokyo (jp-tok)	Tokyo	3	operational	—
MicrosoftJapan East	japaneast	Japan East	Tokyo	—	operational	2014
MicrosoftJapan West	japanwest	Japan West	Osaka	—	operational	2014
OracleJapan Central (Osaka)	ap-osaka-1	Japan Central (Osaka)	Osaka	—	operational	—
OracleJapan East (Tokyo)	ap-tokyo-1	Japan East (Tokyo)	Tokyo	—	operational	—
Tencent CloudAsia Pacific and the Middle East (Osaka)	ap-osaka	Asia Pacific and the Middle East (Osaka)	Osaka	1	operational	—
Tencent CloudAsia Pacific and the Middle East (Tokyo)	ap-tokyo	Asia Pacific and the Middle East (Tokyo)	Tokyo	2	operational	—

Recent projects

Announced and under-construction developments.

All projects →

STACK Delivers First Data Center in Japan | STACKAnnounced
STACK Infrastructure🇯🇵JapanJapan
≈180 MWTBD
STACK Opens 36MW Campus in Inzai, Japan | STACKAnnounced
STACK Infrastructure🇯🇵JapanJapan
≈400 MWTBD
AirTrunk unveils new global headquarters in Sydney | AirTrunkAnnounced
AirTrunk🇯🇵JapanJapan
≈1.4 GWTBD
AirTrunk secures largest financing for a data centre in Japan with US$1.2 billion green loan | AirTrunkAnnounced
AirTrunk🇯🇵JapanJapan$1.2B
≈530 MWTBD
AirTrunk to build second Osaka hyperscale data centre to support AI growth | AirTrunkAnnounced
AirTrunk🇯🇵JapanJapan$8.0B
≈2 GWTBD
AirTrunk breaks ground on 40+MW phase of TOK1, Japan’s largest hyperscale data centre campus. | AirTrunkConstruction
AirTrunk🇯🇵JapanJapan
≈430 MWTBD
CyrusOne Announces Tak Mishima as New Managing Director in JapanAnnounced
CyrusOne🇯🇵JapanJapan
≈900 MWTBD
CyrusOne KEP Breaks Ground on First Data Center in JapanConstruction
CyrusOne🇯🇵JapanJapan
≈900 MWTBD
AirTrunk scales up in Japan with announcement of second Tokyo hyperscale data centre | AirTrunkAnnounced
AirTrunk🇯🇵JapanJapan
≈1.2 GWTBD
AirTrunk expands in Japan with new data centre development in Osaka | AirTrunkExpansion
AirTrunk🇯🇵JapanJapan
≈1.4 GWTBD

Recent changes

Latest detections for facilities and projects in the country.

Live feed →

New facility🇯🇵JapanData centerSep 11, 2026 09:00 UTC
Osaka (KIX1) Data Center Campus — New facility indexed: Osaka (KIX1) Data Center Campus (Vantage Data Centers) — Osaka, JP
Osaka (KIX1) Data Center Campus · operational · 68 MW
Vantage Data Centers Vantage Data CentersHigh
New facility🇯🇵JapanData centerSep 11, 2026 08:59 UTC
STACK KIX01 – Osaka — New facility indexed: STACK KIX01 – Osaka (STACK Infrastructure) — Osaka, JP
STACK KIX01 – Osaka · operational · 72 MW
STACK Infrastructure STACK InfrastructureHigh
New facility🇯🇵JapanData centerSep 11, 2026 08:59 UTC
STACK KIX01A – Osaka — New facility indexed: STACK KIX01A – Osaka (STACK Infrastructure) — Osaka, JP
STACK KIX01A – Osaka · operational · 18 MW
STACK Infrastructure STACK InfrastructureHigh
New facility🇯🇵JapanData centerSep 11, 2026 08:57 UTC
STACK TKY01 – Tokyo — New facility indexed: STACK TKY01 – Tokyo (STACK Infrastructure) — Tokyo, JP
STACK TKY01 – Tokyo · operational · 36 MW
STACK Infrastructure STACK InfrastructureHigh
New facility🇯🇵JapanData centerSep 11, 2026 08:57 UTC
STACK TKY01B – Tokyo — New facility indexed: STACK TKY01A – Tokyo (STACK Infrastructure) — Tokyo, JP
STACK TKY01A – Tokyo · operational · 18 MW
STACK Infrastructure STACK InfrastructureHigh
Facility updated🇯🇵JapanData centerSep 11, 2026 08:57 UTC
STACK TKY01B – Tokyo — STACK TKY01A – Tokyo renamed STACK TKY01B – Tokyo
STACK TKY01A – TokyoSTACK TKY01B – Tokyo
STACK Infrastructure STACK InfrastructureHigh
New facility🇯🇵JapanData centerSep 11, 2026 08:55 UTC
NTT Telepark Dojima — New facility indexed: NTT Telepark Dojima — Kita-ku, JP
NTT Telepark Dojima · unknown
WikidataModerate
New facility🇯🇵JapanData centerSep 11, 2026 08:55 UTC
石狩データセンター — New facility indexed: 石狩データセンター — JP
石狩データセンター · unknown
WikidataModerate
Cloud region launched🇯🇵JapanCloud regionSep 11, 2026 08:48 UTC
Asia Pacific and the Middle East (Tokyo) — Tencent Cloud Asia Pacific and the Middle East (Tokyo) (ap-tokyo) cloud region indexed
Asia Pacific and the Middle East (Tokyo) · (ap-tokyo) · operational
Tencent Cloud Tencent Cloud regionsHigh
Cloud region launched🇯🇵JapanCloud regionSep 11, 2026 08:48 UTC
Asia Pacific and the Middle East (Osaka) — Tencent Cloud Asia Pacific and the Middle East (Osaka) (ap-osaka) cloud region indexed
Asia Pacific and the Middle East (Osaka) · (ap-osaka) · operational
Tencent Cloud Tencent Cloud regionsHigh
New facility🇯🇵JapanData centerSep 11, 2026 08:46 UTC
Telehouse Tokyo Tama 3 — New facility indexed: Telehouse Tokyo Tama 3 — Tokyo, JP
Telehouse Tokyo Tama 3 · operational
Telehouse TelehouseHigh
Project announced🇯🇵JapanProjectSep 11, 2026 08:44 UTC
STACK Delivers First Data Center in Japan | STACK — New project: STACK Delivers First Data Center in Japan | STACK (STACK Infrastructure) — JP
STACK Delivers First Data Center in Japan | STACK · announced · ≈ 180 MW
STACK Infrastructure STACK InfrastructureModerate

Electricity context

National indicators for reading capacity figures against the grid.

Renewable share: 21.1% of electricity output
Electricity: 934 TWh / year
Known DC load: ≤ 0.90% of output at full load

Source: World Bank, World Development Indicators (CC BY 4.0) — latest available vintage.

Facilities

120 indexed · sorted by known capacity

Filter & export →

Facility	Operator	Market	Status	Capacity	Type	Confidence
AirTrunk TOK1 Tokyo EastHS AirTrunk · Tokyo East	AirTrunk	Tokyo East	Operational	300 MW	Hyperscale	High
AirTrunk TOK2 Tokyo WestHS AirTrunk · Tokyo West	AirTrunk	Tokyo West	Operational	110 MW	Hyperscale	High
CloudHQ KIX CampusHS CloudHQ · Osaka	CloudHQ	Osaka	Announced	96.4 MW	Hyperscale	High
PDG TY1 Tokyo Princeton Digital Group · Tokyo	Princeton Digital Group	Tokyo	Operational	96 MW	Hyperscale	High
Colt DCS Tokyo Yoshikawa Data Centres Colt Data Centre Services	Colt Data Centre Services	—	Operational	80 MW	Hyperscale	Unverified
STACK KIX01 – OsakaHS STACK Infrastructure · Osaka	STACK Infrastructure	Osaka	Operational	72 MW	Wholesale	High
Osaka (KIX1) Data Center Campus Vantage Data Centers · Osaka	Vantage Data Centers	Osaka	Operational	68 MW	Wholesale	High
AirTrunk OSK2 Osaka Downtown EastHS AirTrunk · Osaka Downtown East	AirTrunk	Osaka Downtown East	Operational	50 MW	Hyperscale	High
CyrusOne OSK1 (Osaka) CyrusOne · Osaka	CyrusOne	Osaka	Operational	48 MW	Wholesale	High
Colt DCS Osaka Keihanna Data Centre Colt Data Centre Services · Keihanna Science City	Colt Data Centre Services	Keihanna Science City	Announced	≈45 MW	Hyperscale	Unverified
STACK TKY01 – TokyoHS STACK Infrastructure · Tokyo	STACK Infrastructure	Tokyo	Operational	36 MW	Wholesale	High
Colt DCS Tokyo Inzai 5 Data Centre Colt Data Centre Services	Colt Data Centre Services	—	Construction	≈32 MW	Hyperscale	Unverified
Colt DCS Tokyo Inzai 3 Data Centre Colt Data Centre Services · Chiba New Town	Colt Data Centre Services	Chiba New Town	Operational	27 MW	Hyperscale	Unverified
AirTrunk OSK1 Osaka WestHS AirTrunk · Osaka West	AirTrunk	Osaka West	Operational	20 MW	Hyperscale	High
Colt DCS Tokyo Inzai 4 Data Centre Colt Data Centre Services	Colt Data Centre Services	—	Construction	≈20 MW	Hyperscale	Unverified
STACK KIX01A – OsakaHS STACK Infrastructure · Osaka	STACK Infrastructure	Osaka	Operational	18 MW	Wholesale	High
STACK TKY01B – TokyoHS STACK Infrastructure · Tokyo	STACK Infrastructure	Tokyo	Operational	18 MW	Wholesale	High
Colt DCS Inzai 2 Data Centre Colt Data Centre Services · Chiba New Town	Colt Data Centre Services	Chiba New Town	Operational	15 MW	Hyperscale	High
Colt DCS Tokyo Shiohama Data Centre Colt Data Centre Services · Koto-ku	Colt Data Centre Services	Koto-ku	Announced	≈5.6 MW	Hyperscale	Unverified
@Tokyo Chuo Center (CC1 & CC2) Operator unknown	—	Tokyo	Operational	—	Unknown	Moderate
Americable Datacenter Operator unknown	—	Tokyo	Operational	—	Unknown	Moderate
Colt Shiohama Operator unknown	—	Tokyo	Operational	—	Unknown	Moderate
Colt 京阪奈データセンター Colt Data Centre Services	Colt Data Centre Services	Osaka	Operational	—	Unknown	Unverified
Digital Edge OSA1 Osaka Digital Edge · Osaka	Digital Edge	Osaka	Operational	—	Colocation	High
Digital Edge OSA2 Osaka Digital Edge · Osaka	Digital Edge	Osaka	Operational	—	Colocation	High
Digital Edge TYO1 Tokyo Digital Edge · Tokyo	Digital Edge	Tokyo	Operational	—	Colocation	High
Digital Edge TYO2 Tokyo Digital Edge · Tokyo	Digital Edge	Tokyo	Operational	—	Colocation	High
Digital Edge TYO3 Tokyo Digital Edge · Tokyo	Digital Edge	Tokyo	Operational	—	Colocation	High
Digital Edge TYO7 Tokyo Digital Edge · Tokyo	Digital Edge	Tokyo	Operational	—	Colocation	High
Equinix Operator unknown	—	Osaka	Operational	—	Unknown	Moderate
Equinix Tokyo TY11 Operator unknown	—	Tokyo	Operational	—	Unknown	Unverified
Equinix Tokyo TY5 Operator unknown	—	Tokyo	Operational	—	Unknown	Unverified
Google Inzai, Japan data centerHS Google · Inzai	Google	Tokyo	Operational	—	Hyperscale	High
IIJ IIJ	IIJ	—	Operational	—	Unknown	Moderate
KAGOYA データセンター B棟中華電信數據通信分公司	中華電信數據通信分公司	Osaka	Operational	—	Unknown	Moderate
KDDI KDDI	KDDI	—	Operational	—	Unknown	Moderate
KDDI KDDI	KDDI	Osaka	Operational	—	Unknown	Moderate
KDDI KDDI	KDDI	Fukuoka	Operational	—	Unknown	Moderate
KDDI KDDI;au	KDDI;au	Fukuoka	Operational	—	Unknown	Moderate
KDDI KDDI	KDDI	Nagoya	Operational	—	Unknown	Moderate
KDDI KDDI	KDDI	Tokyo	Operational	—	Unknown	Moderate
KDDI Operator unknown	—	Fukuoka	Operational	—	Unknown	Moderate
KDDI千倉海底線中継所 KDDI	KDDI	—	Operational	—	Unknown	Moderate
MCデジタル・リアルティ NRT10 MCデジタル・リアルティ	MCデジタル・リアルティ	Tokyo	Operational	—	Unknown	Moderate
MCデジタル・リアルティ NRT12 MCデジタル・リアルティ	MCデジタル・リアルティ	Tokyo	Operational	—	Unknown	Moderate
NTT NTT Global Data Centers · Ashburn	NTT Global Data Centers	Tokyo	Operational	—	Unknown	Moderate
NTT TK2 Operator unknown	—	Tokyo	Operational	—	Unknown	Moderate
NTT TK9 Operator unknown	—	Tokyo	Operational	—	Unknown	Moderate
NTT Telepark Dojima Operator unknown · Kita-ku	—	Osaka	Unknown	—	Unknown	Moderate
NTTドコモ NTT docomo	NTT docomo	—	Operational	—	Unknown	Moderate