Operational
Colocation
Air cooled
Tier III

IDC Frontier Tokyo Shirokane

IDC Frontier · Shirokane

IT live
15 MW
Free to lease
1.1 MW
$ / kW·mo
$185
White space
104k ft²

Inventory

93% occupied

Power

15 MWlive

1.1 MW to lease · 13.9 MW in use

White space

104k ft²total

7,292 ft² free · 97k ft² occupied

9,677 m² · 677 m² free

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

Power

IT live15 MW
Free to lease1.1 MW
Utility feed18.8 MW
Campus / planned15 MW

About 3.8 MW of the utility feed is cooling, conversion, and house load.

Power cost

$185/kW·mo

18.4¢ industrial · 25.4¢ after PUE 1.38

Per MW·year
$2.2M
This site · 15 MW
$33M/yr
8 kW rack
$1,483/mo
3.2¢ cheapdear 22.4¢

5.7× the cheapest market (Iceland Landsvirkjun). Same IT load there is $28M/yr less.

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

Redundancy
N+1
Opened
2010
Renewable match
25%
Rack density
8 kW
Voltage
PUE
1.381.00 ideal · 1.60 typical
Power source
TEPCO. Dual utility feeds. Seismically isolated (免震) building.

Cooling

Plant

Air / CRAH

Liquid

Not deployed

Rack density

8 kW

H100-eq

WUE

Operator has not published WUE. Blank, not zero — air-cooled sites still use some water.

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

Network carriers

8

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

Clouds

4

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

Location

Tokyo, Tokyo, Japan

Shirokane, Minato-ku, Tokyo

35.643°, 139.730° · Asia

Tenants / users

Enterprise, cloud, SoftBank

Notes

Urban Minato-ku hall. SoftBank Group adjacency.

Operator site

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