Mapped (unverified)
NTT Tk2
Tokyo, Japan
Source: OpenStreetMap
NTT Tk2 is a mapped data center in Tokyo, Japan. DataCentersExposed has documented a 18,557 sq ft footprint at this site. It runs on Japan's grid, which was 67% fossil-fuelled at 477 gCO₂e/kWh in 2025 (Ember).
Reporting by Eric Keller · Updated Jun 14, 2026
Real parent
—
Operator
—
Est. capacity
~5-10 MW
Footprint
18,557 sq ft
Grid carbon
477 gCO₂/kWh
Clean electricity
33%
Region
Tokyo
Status · click to filter
Most sites are mapped — located but awaiting a second source. How we verify
Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.
Overview
source: linkdata center
The grid behind this site
source: Ember · EurostatGrid carbon intensity
477 gCO₂/kWh
Clean electricity
33%
Fossil electricity
67%
National grid context, not this facility's own metering. Full country picture: Japan data centers.