A massive power outage in St. Catharines was affecting 9,337 people when first reported at about 3:40pm.
Currently, Alectra says 2,094 customers are still affected.
The outage covers most of downtown.
Alectra says the outage is caused by a supply problem from Hydro One.
They say crews are working on it, and it is estimated to be restored by 9pm.
The map provided by Alectra is included in this story, however, many CKTB listeners have commented that they live outside the outage zone shown and have no power.