Thousands of Sydney residents are still without electricity after an intense burst of thunderstorms caused widespread power outages.
Nine people were rescued from floodwaters and more than 40,000 properties were initially without power after the storms across Sydney and the Illawarra and the Hunter regions on Friday.
Flash flooding in Parramatta and other parts of western Sydney turned intersections into lakes and forced several drivers to ask the SES for help.
Guildford copped 61 millimetres of rain, including 47mm in just 30 minutes, while Sydney Olympic Park received 40mm in the 40 minutes to 7pm.
The SES was responding to more than 500 jobs, mainly for leaky roofs and trees down.
On Saturday morning, Endeavour Energy and Ausgrid were still working to restore power to some 7700 properties.
Endeavour Energy said crews had restored supply to over 23,000 customers overnight but about 5700 remained without electricity.
"There are nearly 300 electrical hazards needing repairs particularly where trees and large branches have fallen across powerlines," a statement said.
Because of the work required, it wasn't possible to give an accurate estimate of when specific customers would have their electricity restored.
Some 15,000 properties on Ausgrid's network also went dark on Friday, and a spokesman on Saturday morning said about 2000 were still without power.
