日本語 
RUTILEA Inc., Tohoku Electric Power Co., Inc., Hitachi, Ltd., and the Development Bank of Japan Inc. have started discussions to build a next-generation AI data center. The plan includes setting up a new operating company and developing data centers that can scale up easily as demand grows in Japan and overseas.
The project looks at scalability across land, power, and business size. The idea is to create data centers that expand in line with user growth while making full use of local power and communication networks. It also aims to support Japan’s decarbonization efforts, help revive local industries, and connect with the government’s ‘Watt-Bit Collaboration’ initiative.
The four companies say the need for strong domestic AI infrastructure has become a matter of economic security as advanced computing demands rise across industries. They also point out that Japan faces real issues like environmental strain, local industry decline, and digital gaps that this kind of project could help tackle.
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Each company brings something specific. RUTILEA will draw on its experience running an AI data center in Fukushima to lead design and operations. Tohoku Electric Power will focus on stable power and renewable energy use. Hitachi will handle infrastructure, from substation facilities to IT equipment, and optimize data center operations using AI. Development Bank of Japan will back the effort with financing and its experience supporting regional and digital infrastructure projects.
Next steps will include finalizing the design, site, and operating model for a GPU-ready AI data center built around local infrastructure. The larger goal is to build a sustainable AI base that ties together renewable energy, digital transformation, and local collaboration.
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