Hundreds of homes and business were affected by power cuts in Little Hulton and Walkden this morning.
Electricity supplies were repeatedly going off and then suddenly coming back on.
Large swathes of central Little Hulton were affected, including Wildbrook Road, Dovecote Lane, Manchester Road East, the area around Peel Park, Armitage Avenue, Kenyon Way, Peelwood Avenue, Owlwood Drive and Carrfield Avenue.
Parts of central Walkden, as well as around 50 homes in Moseley Common, near Boothstown, were also affected.
Some shops, including a garage on Cleggs Lane, were forced to close from around 9.30am this morning.
Supermarkets on the Armitage Avenue retail park in Little Hulton, including Iceland and Netto, were also forced to shut briefly while electricity was restored to freezer compartments.
Electricty North West said in a statement that as of 12.30pm all power had been restored.
The cause of the fault is thought to be a faulty underground power cable.
Electricty North West said in a statement: “An underground cable fault caused the loss of power to around 500 customers in Little Hulton this morning at 10.12am.
“Our engineers quickly arrived onsite and restored power to all customers at 11.41am.
“We apologise for any inconvenience caused and if customers would like any further information they can contact us 24/7 on 0800 195 4141 or follow @ElectricityNW.”