Facilities (21)

• Kansai Electric CyrusOne OSK1 Data CenterAnnouncedE3Official company or government statementView on map

  Kyoto Seika (Soraku)Status as of: 2024-09-1248 MW (IT load)

• DayOne 伊万里データセンター計画AnnouncedE3Official company or government statementLocation not public

  Saga 伊万里市Status as of: 2026-10-02

  Name shown in Japanese (English name not recorded)

• Kobe Underground Tunnel Data Center ProjectAnnouncedE3Official company or government statementLocation not public

  Hyogo KobeStatus as of: 2026-10-0620 MW (Planned maximum (incl. future))

• J-POWER 上ノ国データセンター（仮称）AnnouncedE3Official company or government statementLocation not public

  Hokkaido 檜山郡上ノ国町Status as of: 2026-08-17

  Name shown in Japanese (English name not recorded)

• Tomakomai AI Factory (AI Tech Tomakomai / Kankyo Friendly HD)AnnouncedE3Official company or government statementView on map

  Hokkaido TomakomaiStatus as of: 2026-07-0310 MW (Planned maximum (incl. future))

• JERA Chiba Thermal Power Station AI Data Center ProjectAnnouncedE3Official company or government statementLocation not public

  Chiba ChibaStatus as of: 2026-10-01400 MW (Planned maximum (incl. future))

• NTT DATA Tokyo TKY12 (Inzai/Shiroi Campus)AnnouncedE3Official company or government statementView on map

  Chiba Shiroi250 MW (Planned maximum (incl. future))

• Data Section Inzai AI Data CenterAnnouncedE3Official company or government statementView on map

  Chiba InzaiStatus as of: 2025-11-07

• Daiwa House DPDC Inzai ParkAnnouncedE1Media / secondary sourceView on map

  Chiba InzaiStatus as of: 2025

• NTT DATA Osaka (Ibaraki) Data CenterAnnouncedE3Official company or government statementView on map

  Osaka IbarakiStatus as of: 2026-07-1636 MW (IT load)

• NTT西日本 大阪南データセンターAnnouncedE3Official company or government statementLocation not public

  Osaka 大阪市中央区Status as of: 2026-06-23

  Name shown in Japanese (English name not recorded)

• SoftBank Sakai AI Data CenterAnnouncedE3Official company or government statementView on map

  Osaka SakaiStatus as of: 2026-07-16150 MW (Utility supply capacity)

• fantasista 仙台AIデータセンター計画AnnouncedE3Official company or government statementLocation not public

  Miyagi 仙台市青葉区Status as of: 2026-09-09200 MW (Utility supply capacity)

  Name shown in Japanese (English name not recorded)

• Matsue Nakao District Industrial Park (Data Center Attraction)AnnouncedE3Official company or government statementView on map

  Shimane MatsueStatus as of: 2026-02

• 相模原データセンターキャンパス計画（グッドマン・麻溝台/新磯野北部地区）AnnouncedE3Official company or government statementLocation not public

  Kanagawa SagamiharaStatus as of: 2026-05-28

  Name shown in Japanese (English name not recorded)

• APL Kitakyushu Data CenterAnnouncedE1Media / secondary sourceView on map

  Fukuoka KitakyushuStatus as of: 2026-10-15120 MW (Planned maximum (incl. future))

• APL Itoshima Data CenterAnnouncedE1Media / secondary sourceView on map

  Fukuoka ItoshimaStatus as of: 2024-02-05300 MW (Utility supply capacity)

• JR Kyushu Kurume Data CenterAnnouncedE1Media / secondary sourceView on map

  Fukuoka KurumeStatus as of: 2026-07-16

• グッドマンつくばデータセンターキャンパスAnnouncedE3Official company or government statementLocation not public

  Ibaraki TsukubaStatus as of: 2024-01-25

  Name shown in Japanese (English name not recorded)

• Iriki Industrial Park AI Data Center (Digital Dynamic)AnnouncedE3Official company or government statementView on map

  Kagoshima SatsumasendaiStatus as of: 2025-11-2519 MW (Planned maximum (incl. future))

• Satsumasendai AI Data CenterAnnouncedE3Official company or government statementView on map

  Kagoshima SatsumasendaiStatus as of: 2026-07-18