Digital Realty Starts Construction on KIX15 in Osaka, Japan
Digital Realty began constructing KIX15, a 24MW data center in Osaka, Japan, via its joint venture with Mitsubishi. Scheduled for 2028, it will be the fifth at the KIX Campus, expanding MCDR's Japan portfolio to 10 centers with 220MW capacity. The facility supports AI infrastructure and hybrid cooling, serving hyperscalers and cloud providers.
How this was made

The 30-second read
Why it matters
The disclosed construction start and planned capacity (24MW) support the company’s long-term AI infrastructure positioning, but the article lacks financial details that would materially change near-term valuation.
Market read
Traders may view this as incremental, long-dated capacity growth in Japan’s AI data-center market rather than an immediate earnings catalyst.
What to watch
JV structure (MC Digital Realty) may shift how much of the economics flow to DLR, and the long lead time (to 2028 operations) reduces near-term tradability.
Background
Digital Realty is expanding its Japan footprint through MC Digital Realty (50/50 with Mitsubishi), with KIX Campus in Osaka as a key node.
Ticker impact
Digital Realty started construction on KIX15, a 24MW Japan data center, with operations targeted for Q4 2028 via its 50/50 JV.
Likely mild positive bias as investors price incremental long-term capacity expansion in Japan.
The article discloses a new facility (24MW) and timing (Q4 2028) but provides no financial terms, contract commitments, or immediate revenue/guidance changes.
Market effects
Adds incremental supply to Japan’s AI/data-center buildout, reinforcing demand expectations for higher-density computing and hybrid cooling.
Expands Digital Realty’s Tokyo and Osaka footprint, potentially strengthening connectivity and interconnection options for regional customers.
Highlights continued global data-center capacity build tied to AI infrastructure demand, relevant to REIT and data-center infrastructure sentiment.
Counterpoint
Without disclosed customer pre-commitments, lease-up progress, or capex/returns, the market may treat this as routine expansion rather than a value inflection.
Key entities
- companyDigital Realty
Started construction on KIX15, a 24MW data center at KIX Campus in Osaka, via its Japan JV.
- joint_ventureMC Digital Realty
50/50 Japan joint venture with Mitsubishi Corporation developing KIX15 and the broader Japan portfolio.
- companyMitsubishi Corporation
Co-investor in the MC Digital Realty JV developing the KIX Campus expansion.



