About 15,000 homes and business will be without power over the weekend in Sydney’s north after a severe thunderstorm.

The storm on Tuesday knocked down trees and powerlines across the city.

Ausgrid is warning customers to prepare for outages until Sunday as crews repair 1,800 hazards and rebuild the network in the worst-hit areas.

Crews are working to restore power as safely & quickly as possible. Power is still out to about 15,000 customers in Sydney’s north tonight. Here is one of our crews at work in Gordon which is in the hardest hit area. Power is being progressively restored as we make safe hazards pic.twitter.com/1HMwpqyP9k

— Ausgrid (@Ausgrid) November 28, 2019

Businessman Erik Franko tells Ross Greenwood the lack of power is significantly affecting his operation.

“My biggest concern is… across the road all the cafes are out of business, the chemist, the doctors, the dentists, everybody, they’re all gone.”

Click PLAY below to hear the full interview