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2026-10-09 05:35 UTC
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Hokkaido Tomakomai AI Data Center · Japan · SoftBank Corp.
AI data-center site in Tomakomai, Hokkaido, developed initially by SoftBank and IDC Frontier. Construction is documented, with first-phase opening targeted for FY2026, ending March 2027. Initial planned maximum receiving capacity is 50 MW; future campus disclosures describe 300 MW or more than 300 MW. These are receiving-power claims, not established IT load. Future expansion is planned; opening and energized capacity have not been established.
Capacity statements: 3 · Sources: 11
50 MW (exact) · grid · Initial planned data-hall building maximum receiving capacity · 2026-10-09
300 MW (exact) · grid · Future maximum campus receiving capacity · 2026-10-09
300 MW (gt) · grid · Ultimate expanded site receiving capacity · 2023-11-07