Blackstone's AirTrunk adds $1 billion for Inzai AI campus

AirTrunk is expanding its existing campus in Inzai, east of Tokyo, rather than breaking ground somewhere new. The additional $1 billion is aimed at liquid-cooling technology, a piece of equipment that matters more as AI workloads draw more power from each rack. The $1 billion green loan, led by Sumitomo Mitsui Banking Corp., MUFG Bank and United Overseas Bank, shows that lenders are willing to finance this kind of project in Japan.

AirTrunk CEO Robin Khuda said the TOK1 campus is likely to become the first in Japan with large-scale AI workload deployment. He also said geopolitical considerations are pushing more customers toward Japan as they evaluate locations across North Asia, and he expects difficulties expanding AI infrastructure in the U.S. and Europe to make Asia a bigger beneficiary of data center investment.

For Blackstone, the article frames this as strengthening the case for owning physical infrastructure supporting AI rather than relying solely on exposure to chipmakers and software companies. The open question is whether customer demand actually shows up at TOK1, which is what would justify further expansion across AirTrunk's Asian portfolio. If it does not, the Inzai buildout may prove to be a one-off bet rather than the start of a broader regional push.