Health
Noise from cooling and backup generators, diesel emissions, electromagnetic concerns, and overall community well-being.
What are AI data centres?
Data centres are large buildings full of computer servers that store data and run online services, increasingly, the heavy computing behind artificial intelligence. The newest "AI" data centres are far bigger and far more resource-intensive than the server rooms of the past.
Three things they need in large quantities:
- Land - often big industrial footprints, sometimes proposed close to homes.
- Water - many designs use significant water for cooling.
- Energy - enough electricity to strain local grids and compete with household demand.
The Oakville context
Ontario has signalled a major expansion of data centre development, and communities across Halton want to understand what that means locally, where facilities might go, how they'd be powered and cooled, and what say residents and municipalities actually have.
The one-year moratorium
A temporary pause on approvals is meant to create time to study impacts and set rules before shovels go in the ground. We'll keep a plain-language summary here of what it does and doesn't cover.
Rhetoric versus reality
As announcements and claims are made, we'll track them here and compare them against the evidence — so residents can judge for themselves.
Interactive map
Proposed and existing data centre locations across Oakville, Mississauga, Burlington, and neighbouring towns. Select a marker for details on each site.
Proposed
Existing
Under review
Key issues & impacts
Environment
Water consumption, land use, strain on the energy grid, noise pollution, and effects on local ecology.
Economy
Who benefits, property-tax implications, jobs versus automation, and pressure on housing and rentals.
Governance & transparency
Zoning, approval processes, municipal versus provincial jurisdiction, and Freedom-of-Information requests.
Have a source to add? We keep this hub evidence-based.
Send us research or corrections →