55H Brampton Data Centre
55H with CORE Data Centres / Brampton, ON
Operating
20 MW
announced
3 MW
energized
13% of what was announced is drawing power.
A Tier III high-density site of more than 126,000 sq ft, owned by Grain Management and run with Core Data Centres. 55H said in March 2025 that it had 2.5 MW ready, with more phases taking it up to 20 MW.
- 2025-03-05 Announced
- 2026-H1 Developer target
- Power path
- Grid
- Setup
- Grid power, liquid-cooled AI racks
- Utility
- Alectra Utilities
- Connection request
- Not stated
- Target online
- 2026-H1
- Announced
- 2025-03-05
Getting power in Ontario
Grid, provincial approval in draft. The Ontario record covers how projects get power there and what is changing.
Sources
- Ontario-based 55H Announces Data Center Capacity Expansion
- 55H announces data center expansion in Ontario, Canada
- GTA's 55H data centre to undergo major expansions
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
- STACK Toronto Campus STACK Infrastructure · 56 MW · Operating
- 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
- Burlington Data Centre Applicant not disclosed · 20 MW · Announced
Updated 2026-10-14.