Mitsui Fudosan, Kumagai Gumi and Getworks are developing Japan's first commercial underground data center using an existing tunnel in Kobe, Hyogo. The project will deploy containerized data center facilities to serve growing GPU and critical-data infrastructure demand, with operations planned to begin by the end of 2027.
Shimizu Corporation has launched a demonstration project to test direct CO2 capture from seawater. The company plans to install a pilot plant in Tokyo Bay to evaluate CO2 recovery, continuous operation and the environmental suitability of treated seawater.
Mitsui Fudosan, through Mitsui Fudosan (UK) Ltd, started construction on September 17, 2026, on a major mixed-use redevelopment at London King's Cross. The project will add a British Library extension of approximately 100,000 sq ft and approximately 600,000 sq ft of office, laboratory and commercial space, with completion planned for 2032.
NTT Urban Development completed a two-story steel-frame cultural facility in Kyoto's Minami Ward, developed on municipally owned land as part of the Kyoto Station Southeast Area revitalization initiative. The 1,382.05 sqm facility will house the immersive art center Superblue Kyoto on the first floor and the QUESTION BP gallery on the second floor; opening is planned for early 2027.
Oishii Farm opened its Open Innovation Center in Hamura, Tokyo, on August 5, 2026, as a research and development facility dedicated to plant factories and next-generation agriculture. Asahi Kogyosha handled the full plant-cultivation facility construction, including interior work, environmental-control and air-conditioning systems, and nutrient-solution equipment.
INPEX will establish a new research and development center in the Kashiwanoha Campus area of Kashiwa, Chiba, to accelerate innovation in energy technologies. The center will include office and research space, an experimental building, and outdoor facilities, with construction planned to start in May 2027 and operations scheduled for April 2029.
TOTO will build a new R&D building within its Chigasaki plant in Kanagawa to accelerate development of next-generation electrostatic chucks and AD components for semiconductor manufacturing equipment. The facility will expand prototype production lines and is scheduled to start construction in December 2026 and be completed in April 2028.
AGS is expanding floor space at its Saitama Center data center in Saitama, Japan. The disclosure reports media coverage of the expansion but does not state the investment amount, added capacity, contractor, or schedule.
Flower Communications announced that Ishikari Renewable Energy Data Center No. 1 began service on August 1, 2026, following construction completed on March 27, 2026 and fit-out work. The green data center in Ishikari operates on 100% renewable energy and supports water and liquid cooling in part of its six data-center sections, with an IOWN All-Photonics Network connection to Tokyo.
Ashiya City is advancing a redevelopment project in the JR Ashiya Station South District, targeting September 2026 groundbreaking with completion in August 2030. Tokyu Land is participating as the specified builder, with Taikensetsu handling basic and detailed design. The project includes an 11-story, 2-basement mixed-use building with 51 residential units, retail, offices, dining, and public facilities including a library function and citizen activity center on the third floor.
The Higashi-Kanamachi 1-chome West District Urban Redevelopment Association is proceeding with Phase II of a major mixed-use redevelopment in Katsushika Ward, Tokyo, per Katsushika Ward's own project page. Phase II construction is scheduled to start in FY2026 and complete in October 2030; Phase I (completed 2025) included a 40-story, 900-unit residential and commercial tower.
Getworks, in collaboration with Tohoku Electric Power, has completed construction of a new container-type data center called 'Miyagi AI Data Center' on idle land owned by Tohoku Electric Power in Shichigahama, Miyagi Prefecture. The facility will offer housing services for next-generation high-performance GPU servers starting July 31, 2026, supporting generative AI infrastructure demand across the Tohoku region.
Godo Kaisha Ishikari Saiene Data Center No.1, jointly invested by Tokyu Fudosan, Flower Communications, and Agility Asset Advisors, completed construction of a data center in Ishikari City, Hokkaido on March 27, 2026. The facility will run entirely on Ishikari's renewable energy and will begin partial data hall operations in August 2026, connected to Tokyo's Otemachi via NTT East's IOWN All-Photonics Network for low-latency, high-speed connectivity.
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