Hydro-Québec Issues Rare Winter Alerts as December 2025 Cold Snap Pushes Power Grid to the Limit
Hydro-Québec issued two peak-demand alerts as an early December cold snap pushed its grid near capacity, with temperatures in Montreal dropping to –18°C and wind chills near –25°C. The utility urged customers to reduce electricity use to avoid outages. Meteorologists expect colder-than-normal weather to persist across central and eastern Canada through December. Montreal faces more snow and sub-zero highs this week.