Planned
Colocation
Liquid cooling
Tier III

Gigastream Nanto Toyama

Gigastream Toyama · Nanto

Planned IT
3.1 GW
Free to lease
3.1 GW
$ / kW·mo
$141
White space
6.2M ft²

Inventory

0% occupied

Power

3.1 GWlive

3.1 GW to lease · 0 MW in use

White space

6.2M ft²total

6.2M ft² free · occupied

576k m² · 576k m² free

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

Power

IT live
Free to lease3.1 GW
Utility feed
Campus / planned3.1 GW

Power cost

$141/kW·mo

17.2¢ industrial · 19.3¢ after PUE 1.12

Per MW·year
$1.7M
This site · 3.1 GW
$5.2B/yr
100 kW rack
$14,063/mo
3.2¢ cheapdear 22.4¢

5.4× the cheapest market (Iceland Landsvirkjun). Same IT load there is $4.3B/yr less.

Japan industrial · utility tariff × PUE, not colo list price.

Redundancy
2N
Opened
2032
Renewable match
90%
Rack density
100 kW
PUE
1.121.00 ideal · 1.60 typical
Power source
Hokuriku Electric plus hydro/solar corridor. 3.1 GW municipal concept — operator and grid still in flight.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

100 kW

H100-eq

WUE

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

Announced 3.1 GW interior-Japan AI campus. Pre-developer; treat capacity as a planning envelope, not a committed interconnection.

Network carriers

6

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

Clouds

6

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

Location

Nanto, Toyama, Japan

Nanto, Toyama

36.588°, 136.922° · Asia

Tenants / users

Hyperscale pipeline (uncommitted)

Notes

Largest publicly floated Japanese DC concept (Dec 2025). No locked operator or firm grid as of 2026. Tracked as a planning envelope.

Operator site

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