STACK Toronto Campus
STACK Infrastructure / Scarborough, Toronto, ON
Operating
56 MW
announced
8 MW
energized
14% of what was announced is drawing power.
The first 8 MW has been running since September 2023. STACK wants to add two buildings and take the campus to 56 MW, and the plan is going through Toronto's site plan review. In July 2026 Toronto council voted 25 to 0 for extra scrutiny of the expansion, including an independent noise review.
- Power path
- Grid
- Setup
- Grid power from three Toronto Hydro substations
- Utility
- Toronto Hydro
- Connection request
- Not stated
- Target online
- Not stated
- Announced
- 2022-05-01
Getting power in Ontario
Grid, provincial approval in draft. The Ontario record covers how projects get power there and what is changing.
Sources
- STACK Infrastructure delivers first phase of its 56MW flagship Toronto campus
- Toronto residents push back on proposed 56-megawatt AI data centre
- STACK letter to City Council re MM43.75
Other tracked projects in Ontario
- Algoma AI Data Centre Red Jar Energy Partners and Algoma Steel · 400 MW · Filed for connection
- BUZZ HPC Greater Toronto AI Data Centre BUZZ HPC (HIVE Digital) · 320 MW · Announced
- Cambridge AI Data Centre Related Digital, TowerBrook and Ascent · 54 MW · Operating
- Prologis Meadowvale Data Centre Prologis · 40 MW · Announced
- Yondr Toronto Data Centre Yondr · 27 MW · Operating
- Compass Toronto Campus Compass Datacenters · 27 MW · Operating
- 55H Brampton Data Centre 55H with CORE Data Centres · 20 MW · Operating
- Burlington Data Centre Applicant not disclosed · 20 MW · Announced
Updated 2026-10-14.