Published in Japan

Gigawatt-Scale Data Center Campus Planned in Toyama, Japan

Jan 09, 2026 | Posted by Abdul-Rahman Oladimeji

Nanto City and data center firm GigaStream Toyama are planning to develop a large-scale cluster known as the Nanto Campus. The site, located on land outside Toyama within Nanto City, will reportedly support up to 3.1GW upon completion.

Renders suggest two-buildings are planned in the first phase. Nanto City said construction could begin in spring 2026 or later, with operations targeted to begin in 2028.

Nanto City Mayor Mikio Tanaka said: "Through the agreement with GigaStream Toyama K.K., we will work with full commitment toward the success of this project so that it contributes to the further development of our city by creating new industrial and employment opportunities. We will also carefully address challenges one by one and provide support so that Nanto City and Toyama Prefecture become major hubs of next-generation digital infrastructure."

Daniel Cox, founder & representative director, GigaStream Toyama, added: "The decentralization of data centers has been an issue for more than ten years, and we are honored to be able to present the answer today through our cooperation with the people of Nanto City. By building a 3.1GW data center cluster, we will create a new industry in Toyama Prefecture with local companies playing the leading role. We will devote our full efforts to providing new employment opportunities for Toyama residents and attracting global companies to the prefecture."

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