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Mitsui Fudosan to develop underground data center in existing Kobe tunnel

Mitsui Fudosan Co., Ltd.Kobe, HyogoPublished
InvestmentNot disclosed
PhasePlanned
Start—
CompletionDec 2027
To completion
Today
20272028

About 14 months to scheduled completion.

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.

Project facts

Owner
Mitsui Fudosan Co., Ltd.
Listing
8801 Tokyo
Facility
Data center
Sector
Real estate & construction
Location
Kobe, Hyogo, Japan
Investment
Not disclosed
Scale / capacity
Approximately 17,000 sqm tunnel area
Contractor
Kumagai Gumi Co., Ltd.
Equipment / vendor
Getworks Co., Ltd.
Completion
Dec 2027
Announced
Oct 6, 2026
Themes
AI-infrastructure

Figures and schedules are as announced by the company or the public body concerned; plans can change. Amounts that were not disclosed are recorded as not disclosed, never estimated.

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