STT Tokyo 1 is a data center operated by STT GDC in Inzai, JP. The facility is currently operational. It sits in the Tokyo data-center market on the TEPCO grid, which DC Hub's Data Center Power Index currently rates AVOID, with an estimated 48.0-month time-to-power. Operators should weigh interconnection risk here — the market screens constrained on grid headroom and time-to-power.
Data Center Power Index verdict for Tokyo — the market this facility sits in.
Full DCPI breakdown →DC Hub analyst read on Tokyo — the market this facility sits in (full deep-dive →).
Tokyo's data center market comprises 237 tracked facilities totaling 557 MW, dominated by Equinix with a combined 31 MW across its dual-branded presence. The market faces severe structural headwinds: a DCPI excess-power score of 19/100 signals acute power scarcity, while a constraint score of 66/100 indicates tight availability across power, cooling, and real estate—placing Tokyo among Asia's most supply-constrained markets alongside Seoul 28/100 excess-power and Taipei 20/100. The AVOID verdict reflects a buyer's market that is effectively closed to acquisition-focused investors. With minimal excess power at 19/100, any acquisition adding incremental load faces immediate grid interconnection delays and prohibitively expensive augmentation costs. The 66/100 constraint reading means landlords and utility counterparties control pricing; real estate premiums and power reservation fees have…
Published DC Hub data for this location.
DC Hub tracks 1,169 operating generating units totalling 36,813 MW within about 50 km of Inzai, JP. Generation mix shapes both carbon profile and interconnection options for a site at this location.
Source: Global Energy Monitor unit inventory, operating units only. Counts are units, not plants.
Comparable facilities in Inzai tracked by DC Hub — compare power, operators, and grid context across the market.
get_facility slug="stt-gdc-stt-tokyo-1-6e53e4cc" (endpoint https://dchub.cloud/mcp) for the full cited record. Connect:
https://dchub.cloud/connect?src=page-onramp&entity=stt-gdc-stt-tokyo-1-6e53e4cc