Operational
Colocation
Liquid cooling
Tier III

STACK TOR01A Scarborough

STACK Infrastructure · TOR01

IT live
8 MW
Free to lease
1.0 MW
$ / kW·mo
$94
White space
57k ft²

Inventory

87% occupied

Power

8 MWlive

1.0 MW to lease · 7.0 MW in use

White space

57k ft²total

5,909 ft² free · 51k ft² occupied

5,279 m² · 549 m² free

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

Power

IT live8 MW
Free to lease1.0 MW
Utility feed10 MW
Campus / planned8 MW

About 2 MW of the utility feed is cooling, conversion, and house load.

Power cost

$94/kW·mo

10.6¢ industrial · 12.9¢ after PUE 1.22

Per MW·year
$1.1M
This site · 8 MW
$9.1M/yr
12 kW rack
$1,133/mo
3.2¢ cheapdear 22.4¢

3.3× the cheapest market (Iceland Landsvirkjun). Same IT load there is $6.3M/yr less.

Toronto Hydro / IESO · utility tariff × PUE, not colo list price.

Redundancy
N+2
Opened
2022
Renewable match
100%
Rack density
12 kW
PUE
1.221.00 ideal · 1.60 typical
Power source
Toronto Hydro / Hydro One / IESO. Dual feeds plus on-site diesel. Nuclear-plus-hydro Ontario mix.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

12 kW

H100-eq

—

WUE

—

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

Closed-loop chilled water with air-side economizers. No evaporative towers.

Network carriers

6

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

Toronto, Ontario, Canada

3650 Danforth Avenue, Scarborough, ON M1N 2E8

43.693°, -79.256° · North America

Tenants / users

Hyperscale, cloud, AI colo

Notes

STACK's first hall outside the United States. 158,000 sq ft, 8 MW, N+2. 19-acre Scarborough campus seven miles from 151 Front. Toronto Hydro 100 percent zero-carbon matching, three diverse substations.

Operator site

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