Nanto Campus, Toyama

Nanto City and GigaStream Toyama plan a 3.1 GW data center hub, with a 400 MW first phase set for late 2028.

Related builds

Building300 MWAirTrunk TOK1 expansion, East TokyoAirTrunk secured a USD 1.2 billion green loan to expand its TOK1 campus in East Tokyo, designed to scale past 300 MW.AirTrunk · Tokyo, Japan · $1.2BBuildingTarget FY2026300 MWSoftBank Hokkaido Tomakomai AI Data CenterSoftBank is building an AI data center in Tomakomai, Hokkaido, with a 50 MW first phase due in fiscal 2026 and 300 MW planned.SoftBank · Tomakomai, JapanAnnouncedTarget 2025150 MWSoftBank AI data center, Sharp Sakai plantSoftBank plans a large AI data center at the former Sharp Sakai LCD plant, starting above 150 MW and growing past 400 MW.SoftBank · Sakai, JapanAnnouncedTarget 2027Not statedAWS Tokyo and Osaka region expansionAWS plans JPY 2.26 trillion through 2027 to expand its data center capacity in Tokyo and Osaka.AWS · Tokyo, Japan · $15B

Build	Location	Capacity	Status	Target online
AirTrunk TOK1 expansion, East TokyoAirTrunk secured a USD 1.2 billion green loan to expand its TOK1 campus in East Tokyo, designed to scale past 300 MW.AirTrunk · Tokyo, Japan · Building	Tokyo, Japan	300 MW	Building
SoftBank Hokkaido Tomakomai AI Data CenterSoftBank is building an AI data center in Tomakomai, Hokkaido, with a 50 MW first phase due in fiscal 2026 and 300 MW planned.SoftBank · Tomakomai, Japan · Building · Target FY2026	Tomakomai, Japan	300 MW	Building	FY2026
SoftBank AI data center, Sharp Sakai plantSoftBank plans a large AI data center at the former Sharp Sakai LCD plant, starting above 150 MW and growing past 400 MW.SoftBank · Sakai, Japan · Announced · Target 2025	Sakai, Japan	150 MW	Announced	2025
AWS Tokyo and Osaka region expansionAWS plans JPY 2.26 trillion through 2027 to expand its data center capacity in Tokyo and Osaka.AWS · Tokyo, Japan · Announced · Target 2027	Tokyo, Japan	Not stated	Announced	2027