Alectra Power Outages: Map & How to Report
Alectra doesn't publish live data we can use, so we can't show a current count. Its official outage map shows power outages in Ontario.
PowerOutageTracker is independent and not affiliated with Alectra. If you see a fallen power line, stay 10 metres away and call 911.
Where Alectra operates
Brampton, Mississauga, Hamilton, Vaughan, Markham, Richmond Hill, Guelph, St. Catharines, Barrie, Aurora and other central Ontario communities
Ownership: Alectra Inc., majority municipally owned
Alectra reliability
Alectra reported 1 hr 52 min without power per customer in 2025, with 1.67 interruptions per customer. The national figure was 10 hr 5 min in 2023, though it may be measured differently.
Scope: All events incl. major events and loss of supply, summed from the OEB cause codes. Excluding major events: 0.95 hours SAIDI, 1.50 SAIFI.
Source: Ontario Energy Board open data, RRR 2.1.4.2 System Reliability Indicators (2025 data)
Major power outages involving Alectra
Events in our sourced list that name Alectra
May 2022 derecho
May 21, 20222,406,654 customers affected
Fifteen Ontario distributors reported 1,852,005 customers interrupted, including 890,100 at Hydro One (60% of its base), 297,650 at Alectra and 180,946 at Hydro Ottawa (54%).
Source: Ontario Energy Board open data, RRR 2.1.4.2.10 Major Event Response Reporting
Provinces and territories served
Alectra FAQ
How do I report a power outage to Alectra?
Call 1-833-253-2872. It also takes reports online through the link on this page. If you see a fallen power line, stay 10 metres away and call 911.
What areas does Alectra cover?
Brampton, Mississauga, Hamilton, Vaughan, Markham, Richmond Hill, Guelph, St. Catharines, Barrie, Aurora and other central Ontario communities
How reliable is Alectra?
Alectra reported 1 hr 52 min without power per customer and 1.67 interruptions per customer in 2025. Scope: All events incl. major events and loss of supply, summed from the OEB cause codes. Excluding major events: 0.95 hours SAIDI, 1.50 SAIFI.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Weather alerts contain information licensed under the Data Server End-use Licence of Environment and Climate Change Canada.
PowerOutageTracker.com. "Alectra Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/world/canada/utilities/alectra