Mapped (unverified)
Colosseum Online Inc.
Toronto, Ontario, Canada
Source: OpenStreetMap
Colosseum Online Inc. is a mapped data center in Ontario, Canada. It runs on Canada's grid, which was 23% fossil-fuelled at 191 gCO₂e/kWh in 2025 (Ember).
Reporting by Eric Keller · Updated Jun 12, 2026
Real parent
—
Operator
—
Grid carbon
191 gCO₂/kWh
Clean electricity
77%
Region
Ontario
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: linkCanadian owned and operated, Colosseum Online Inc. provides cloud computing hosting services and highspeed Internet DSL and fibre access in Toronto, Ontario, Canada. Colosseum's secure and ISO 27001:2005 Certified datacenter.
The grid behind this site
source: Ember · EurostatGrid carbon intensity
191 gCO₂/kWh
Clean electricity
77%
Fossil electricity
23%
National grid context, not this facility's own metering. Full country picture: Canada data centers.
In the news
source: Google News (local + English)- Concerns raised over growing number of data centres in the GTACityNews Toronto· May 22, 2026
- The Big Six’s visible—and invisible—bets on the AI data-centre boomThe Logic· May 20, 2026
- Hive's Buzz HPC plans 320MW AI data center in Toronto, CanadaData Center Dynamics· May 18, 2026
- Hive Digital subsidiary plans 320 megawatt AI data centre near Toronto in $3.5 billion investmentProactive financial news· May 18, 2026
- Telehouse deploys liquid cooling at Toronto data centers in CanadaData Center Dynamics· May 13, 2026
- Telehouse Canada Undergoes Major Infrastructure Upgrade to Scale AI-Driven OrganizationsBusiness Wire· May 12, 2026