IIJ: Shiroi Bldg 1
Japanese internet and data center company IIJ is expanding its Shiroi data center campus, situated east of Tokyo in Shiroi City, Chiba Prefecture.
Established in 1992 as Japan's inaugural Internet Service Provider, IIJ has consistently pioneered advancements in internet technology. Leveraging its deep expertise in connectivity, IIJ has evolved into a comprehensive total solutions provider. The company offers a wide range of outsourcing services, including cloud computing, WAN services, and systems integration, providing a one-stop shop for diverse network application needs.
IIJ recognizes the transformative power of the internet, which fuses IT and telecommunications to revolutionize global systems. As network speeds and data processing capabilities advance, new technologies like cloud computing, IoT, and AI are becoming fully-fledged commercial services. At the forefront of this digital revolution, the IIJ Group is committed to continuous innovation, believing it will lead to the creation of entirely new industries. Guided by its founding philosophy of quality and reliability, IIJ remains dedicated to delivering innovative services that bring new value to customers and contribute to the evolution of a fully networked society.
Japanese internet and data center company IIJ is expanding its Shiroi data center campus, situated east of Tokyo in Shiroi City, Chiba Prefecture.
This facility, located within Internet Initiative Japan Inc. (IIJ)'s Shiroi Campus in Chiba Prefecture, provides space for 1,100 racks across 8,000 square meters (86,110 sq ft).
Dubbed "Phase 3," this expansion will add about 1,000 racks to Internet Initiative Japan Inc. (IIJ)'s Shiroi Campus.
This facility will be part of Internet Initiative Japan Inc. (IIJ)'s Shiroi Campus.
The Matsue City campus, which first opened in 2011 and expanded in 2013, initially spanned 16,000 square meters (172,225 sq ft).
July 24, 2026 Japan
Japanese renewable energy company Eurus Energy has begun construction of the Soya Green Data Center 1 in Hokkaido, developed with Toyota Tsusho. The facility will be Japan’s first data centre directly powered by wind energy, using electricity from the nearby Kobaoko Wind Farm via a private line....
Read more
July 16, 2026 Japan
Japanese battery energy storage system (BESS) developer PowerX and data center operator Highreso have signed a memorandum of understanding (MoU) to collaborate on deploying battery storage at Highreso's data centers and expanding its GPU data center business. Highreso operates the GPUSOROBAN GPU...
Read more
May 19, 2026 Japan
PowerX, a Japanese energy storage firm, has unveiled a mounted battery energy storage system for data centers. The product concept, dubbed "PowerX Energy Blade," is a high-output, rack-mounted lithium-ion battery storage system. The company claims that the unit will be optimized for rapid charge...
Read more
January 09, 2026 Japan
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....
Read more
July 07, 2025 Japan
Japanese shipping giant Mitsui O.S.K. Lines (MOL) has partnered with Kinetics, an energy systems provider, to develop a floating data center platform. Both companies are to collaborate on the design, construction, and deployment of a data center hosted on a retrofitted vessel.The partnership will...
Read more
January 22, 2025 Japan
Data center provider CloudHQ has formed a joint venture with real asset manager ESR Group for the Cosmosqure data center project in Osaka, Japan. Located in Nanko Kita, 10km (6.2 miles) from Osaka’s central business district, the campus will see an investment of $2 billion to deliver a planned...
Read more