SoftBank AI data center, Sharp Sakai plant

SoftBank · Sakai, Japan · 150 MW · Announced

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SoftBank plans a large AI data center at the former Sharp Sakai LCD plant, starting above 150 MW and growing past 400 MW.

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AnnouncedTarget 2028Unverified3.1 GWGTNanto Campus, ToyamaNanto City and GigaStream Toyama plan a 3.1 GW data center hub, with a 400 MW first phase set for late 2028.GigaStream Toyama · Nanto, JapanBuilding300 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 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 · $15BBuildingTarget 2026Not statedStargate LordstownSoftBank's advanced data center design, broken ground in 2025 and due to be operational in 2026; with Milam County it can scale to 1.5 GW.SoftBank for OpenAI · Lordstown, Ohio

Build	Location	Capacity	Status	Target online
GTNanto Campus, ToyamaNanto City and GigaStream Toyama plan a 3.1 GW data center hub, with a 400 MW first phase set for late 2028.GigaStream Toyama · Nanto, Japan · Announced · Target 2028 · unverified	Nanto, Japan	3.1 GW	Announced	2028
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
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
Stargate LordstownSoftBank's advanced data center design, broken ground in 2025 and due to be operational in 2026; with Milam County it can scale to 1.5 GW.SoftBank for OpenAI · Lordstown, Ohio · Building · Target 2026	Lordstown, Ohio	Not stated	Building	2026