Operational
Colocation
Air cooled
Tier III

NTT DATA Otemachi

NTT DATA · Otemachi

IT live
12 MW
Free to lease
0.8 MW
$ / kW·mo
$195
White space
94k ft²

Inventory

93% occupied

Power

12 MWlive

0.8 MW to lease · 11.2 MW in use

White space

94k ft²total

6,562 ft² free · 87k ft² occupied

8,710 m² · 610 m² free

Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.

Power

IT live12 MW
Free to lease0.8 MW
Utility feed15 MW
Campus / planned12 MW

About 3 MW of the utility feed is cooling, conversion, and house load.

Power cost

$195/kW·mo

18.4¢ industrial · 26.7¢ after PUE 1.45

Per MW·year
$2.3M
This site · 12 MW
$28M/yr
6 kW rack
$1,169/mo
3.2¢ cheapdear 22.4¢

5.7× the cheapest market (Iceland Landsvirkjun). Same IT load there is $23M/yr less.

TEPCO extra-high voltage · utility tariff × PUE, not colo list price.

Redundancy
2N
Opened
2000
Renewable match
25%
Rack density
6 kW
Voltage
PUE
1.451.00 ideal · 1.60 typical
Power source
TEPCO. Dual utility feeds. Seismically isolated (免震) building.

Cooling

Plant

Air / CRAH

Liquid

Not deployed

Rack density

6 kW

H100-eq

WUE

0.72 L/kWh

fleet avg · 2024 · 76k m³/yr at 12 MW

0 dry2.50 evaporative

Operator fleet average applied to this hall — not a site meter. NTT DATA GDC 2025 Sustainability Report (FY2024).

Chilled-water CRAH, N+1. Liquid-ready suites offered on newer halls.

Network carriers

9

On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.

Clouds

5

Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.

Location

Tokyo, Tokyo, Japan

2-3-5 Otemachi, Chiyoda-ku, Tokyo

35.686°, 139.765° · Asia

Tenants / users

Finance, IX, enterprise, government

Notes

Urban interconnection hall next to Otemachi IXes and carrier hotels. DR pair with Dojima.

Operator site

Compiled from public filings, operator pages, and reporting. Not an official operator specification.