{"id":"54a987fd-de69-42a8-8460-604b263334e5","slug":"softbank-hokkaido-tomakomai-ai-data-center","name":"SoftBank Hokkaido Tomakomai AI Data Center","aliases":[],"locationId":"8b594284-e3c8-42e5-91e3-d43cb3ef345e","lat":null,"lng":null,"landStatus":null,"lifecycleState":"under_construction","powerSourceMix":"other","interconnectionQueueStatus":null,"interconnectionQueueId":null,"gridOperator":"other","waterSourceNotes":null,"servingUtility":null,"acreage":173,"totalBuildingSqft":null,"streetAddress":null,"notes":"SoftBank and subsidiary IDC Frontier broke ground on a 700,000 sqm AI data center campus in Tomakomai on April 15, 2025; a 50MW first phase targets fiscal 2026 with ultimate capacity expected to exceed 300MW, powered entirely by renewable energy sourced within Hokkaido.","keyFacts":[],"reviewStatus":"reviewed","sources":[{"url":"https://www.softbank.jp/en/sbnews/entry/20250501_01","title":"Laying the Foundation for the AI Era: Construction Begins on 'Hokkaido Tomakomai AI Data Center' - SoftBank News"},{"url":"https://w.media/softbank-breaks-ground-for-ai-data-center-in-hokkaido/","title":"SoftBank breaks ground for AI data center in Hokkaido - w.media"}],"reviewNote":null,"createdAt":"2026-08-19T00:50:14.303Z","updatedAt":"2026-08-19T01:32:33.224Z","location":{"id":"8b594284-e3c8-42e5-91e3-d43cb3ef345e","name":"Tomakomai","slug":"tomakomai-hokkaido","kind":"city","parentLocationId":"f8170967-3db3-4492-8904-9c43bbe67d09","region":null,"lat":null,"lng":null,"reviewStatus":"unreviewed","aliases":[],"collisionRisk":"high","reviewNote":null,"createdAt":"2026-08-19T00:50:13.921Z","updatedAt":"2026-08-19T00:50:13.921Z"},"parties":[{"id":"66a12af3-87a9-4370-948e-75bc5bd09c39","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","companyId":null,"externalName":"SoftBank Corp.","role":"developer","structureNotes":null,"createdAt":"2026-08-19T00:50:18.742Z","company":null},{"id":"370e28ad-c887-4820-adaf-a1dffc7b0a31","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","companyId":null,"externalName":"IDC Frontier Inc.","role":"operator","structureNotes":"SoftBank subsidiary","createdAt":"2026-08-19T00:50:19.970Z","company":null},{"id":"cf8b8e30-bdd9-4b9a-b223-1458631335a7","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","companyId":null,"externalName":"Japan Ministry of Economy, Trade and Industry (METI)","role":"financier","structureNotes":"Subsidy of up to ¥30 billion","createdAt":"2026-08-19T00:50:21.120Z","company":null}],"capacityClaims":[{"id":"f66260be-7976-4004-97be-c7e9eabf4b46","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","series":"announced","valueGw":0.3,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://www.softbank.jp/en/sbnews/entry/20250501_01","sourceType":"press_release","evidenceTier":"claimed","supersedesId":null,"note":"Ultimate capacity 'expected to exceed 300 megawatts' per SoftBank","createdAt":"2026-08-19T00:50:15.369Z"},{"id":"11589353-b20b-4823-8d8d-46e302998f54","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","series":"under_construction","valueGw":0.05,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://w.media/softbank-breaks-ground-for-ai-data-center-in-hokkaido/","sourceType":"journalist_report","evidenceTier":"reported","supersedesId":null,"note":"First phase (50MW), completion targeted 2026","createdAt":"2026-08-19T00:50:16.229Z"}],"financialClaims":[{"id":"22e9c2de-f9e2-41de-ba34-5311402f6cee","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","kind":"capex","label":"Total project investment (~¥65 billion)","valueUsd":"456000000","capUsd":null,"conditions":null,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://w.media/softbank-breaks-ground-for-ai-data-center-in-hokkaido/","sourceType":"journalist_report","evidenceTier":"reported","createdAt":"2026-08-19T00:50:16.766Z"},{"id":"500c077a-147b-49a8-b1bc-f3bf03b679b0","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","kind":"incentive","label":"Japan METI subsidy (up to ¥30 billion)","valueUsd":null,"capUsd":"210000000","conditions":"Ministry of Economy, Trade and Industry subsidy","asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://w.media/softbank-breaks-ground-for-ai-data-center-in-hokkaido/","sourceType":"journalist_report","evidenceTier":"reported","createdAt":"2026-08-19T00:50:17.526Z"},{"id":"f354a0ec-5428-4657-937a-149876c0afb5","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","kind":"capex","label":"First-phase project cost (~65B yen)","valueUsd":"455800000","capUsd":null,"conditions":"Approx. USD equivalent of ~65 billion yen","asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://www.datacenterdynamics.com/en/news/softbank-breaks-ground-on-data-center-campus-in-hokkaido-japan/","sourceType":"journalist_report","evidenceTier":"reported","createdAt":"2026-08-19T01:32:33.613Z"}],"metricClaims":[{"id":"4edff0ef-8aa9-4bbb-9244-66e7e1fb12d7","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","metricType":"cooling_type","valueNumeric":null,"valueText":"700,000 sqm site (~173 acres); part of SoftBank 'Brain DataCenter' initiative","unit":null,"grantingJurisdiction":null,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://www.softbank.jp/en/sbnews/entry/20250501_01","sourceType":"company_filing","evidenceTier":"verified","supersedesId":null,"note":null,"createdAt":"2026-08-19T01:32:34.744Z"}],"powerProjects":[{"id":"92cc29a4-cd54-4ca3-b4e0-bcfdbbd231fc","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","name":"100% locally-sourced Hokkaido renewable supply","type":"other","capacityGw":null,"lifecycleState":"announced","sourceUrl":"https://www.softbank.jp/en/sbnews/entry/20250501_01","evidenceTier":"verified","note":"Facility to operate entirely on renewable energy procured within Hokkaido Prefecture","createdAt":"2026-08-19T01:32:34.366Z"}],"facilities":[],"incidents":[],"events":[{"id":"bb41daea-cf30-4e5c-b8ed-ae33ae23c88f","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"financial_recorded","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"capex: First-phase project cost (~65B yen)","occurredAt":"2026-08-19T01:32:33.989Z","createdAt":"2026-08-19T01:32:33.989Z"},{"id":"89f05671-c822-4869-8b81-4a3ee1c22f87","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"financier: Japan Ministry of Economy, Trade and Industry (METI)","occurredAt":"2026-08-19T00:50:21.516Z","createdAt":"2026-08-19T00:50:21.516Z"},{"id":"e1940957-a27c-4690-9125-b4a998c7cc44","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"operator: IDC Frontier Inc.","occurredAt":"2026-08-19T00:50:20.357Z","createdAt":"2026-08-19T00:50:20.357Z"},{"id":"ce47defc-e2cb-4343-b25a-90fa679d5056","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"developer: SoftBank Corp.","occurredAt":"2026-08-19T00:50:19.116Z","createdAt":"2026-08-19T00:50:19.116Z"},{"id":"4cd4211f-06ed-4cc3-9914-074ee17fb56c","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"financial_recorded","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"incentive: Japan METI subsidy (up to ¥30 billion)","occurredAt":"2026-08-19T00:50:17.906Z","createdAt":"2026-08-19T00:50:17.906Z"},{"id":"b6a150f5-df67-4c70-9792-926768b708d5","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"financial_recorded","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"capex: Total project investment (~¥65 billion)","occurredAt":"2026-08-19T00:50:17.143Z","createdAt":"2026-08-19T00:50:17.143Z"},{"id":"f98d3f73-3451-4343-90cf-45a3bfd9a476","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"capacity_changed","series":"under_construction","oldValue":null,"newValue":"0.05","claimId":"11589353-b20b-4823-8d8d-46e302998f54","detail":null,"occurredAt":"2026-08-19T00:50:16.539Z","createdAt":"2026-08-19T00:50:16.539Z"},{"id":"5ba42bb6-805d-4a8c-a8dd-41bb9afc07e5","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"claim_recorded","series":"under_construction","oldValue":null,"newValue":"0.05","claimId":"11589353-b20b-4823-8d8d-46e302998f54","detail":"reported · journalist_report","occurredAt":"2026-08-19T00:50:16.382Z","createdAt":"2026-08-19T00:50:16.382Z"},{"id":"6072b312-07b3-405c-8baa-eed3cf05fe50","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"capacity_changed","series":"announced","oldValue":null,"newValue":"0.3","claimId":"f66260be-7976-4004-97be-c7e9eabf4b46","detail":null,"occurredAt":"2026-08-19T00:50:15.697Z","createdAt":"2026-08-19T00:50:15.697Z"},{"id":"b1bcece2-436a-45bf-9f78-c98345628858","dataCenterId":"54a987fd-de69-42a8-8460-604b263334e5","eventType":"claim_recorded","series":"announced","oldValue":null,"newValue":"0.3","claimId":"f66260be-7976-4004-97be-c7e9eabf4b46","detail":"claimed · press_release","occurredAt":"2026-08-19T00:50:15.543Z","createdAt":"2026-08-19T00:50:15.543Z"}],"capacity_picture":{"announced_gw":0.3,"contracted_gw":null,"under_construction_gw":0.05,"energized_gw":null,"announced_minus_energized_gw":0.3,"by_series":{"announced":{"valueGw":0.3,"asOf":"2025-06-01T00:00:00.000Z","evidenceTier":"claimed","sourceUrl":"https://www.softbank.jp/en/sbnews/entry/20250501_01"},"contracted":null,"under_construction":{"valueGw":0.05,"asOf":"2025-06-01T00:00:00.000Z","evidenceTier":"reported","sourceUrl":"https://w.media/softbank-breaks-ground-for-ai-data-center-in-hokkaido/"},"energized":null}},"jsonLd":{"@context":"https://schema.org","@type":"Place","name":"SoftBank Hokkaido Tomakomai AI Data Center","url":"https://registry.deploy.report/datacenters/softbank-hokkaido-tomakomai-ai-data-center","address":{"@type":"PostalAddress","addressLocality":"Tomakomai"}}}