Ontario introduces data centre framework amid municipal opposition

Ontario has introduced a new regulatory framework for data centres, responding to growing municipal opposition over the facilities' significant electricity and water consumption. The provincial government unveiled its "Data Centre Playbook" on Thursday, August 13, 2026, establishing rules aimed at ensuring these energy-intensive projects do not increase power bills for residents and that they provide tangible benefits to host communities.

The announcement comes as several Ontario municipalities have moved to pause data centre development. Oakville enacted a one-year moratorium earlier this week, and Mississauga is drafting a similar bylaw. Concerns from local governments and residents have centered on potential noise pollution, strain on the electrical grid, and high water usage for cooling systems.

Under the new framework, data centres will be required to pay for all their energy consumption. The province will create a dedicated, higher-rate electricity class for facilities drawing more than one megawatt, a measure intended to prevent costs from being passed on to other ratepayers. Proponents will also be encouraged to generate their own power through a "bring your own power"...