This first outage occurred at 6:24 am and affected 2000 residents, the second outage occurred at 7:12am with 1800 residents affected.
A further 300 residents were affected in Earnscleugh.
Aurora Energy general manager future network and operations Matt Settle said a fault at the Alexandra Substation caused widespread power outages in Alexandra and the Fruitlands areas.
"We are grateful to our fault crews for their quick response; by 8:30am, they were able to back-feed power to most customers, including central Alexandra."
Line patrols were underway in the Fruitlands area and power would be restored in stages, once each section of the lines has been inspected, he said
At this stage it was unclear if the fault was related to high winds.
The priority was restoring power to affected customers, once completed investigations would begin into the cause of the outage, Mr Settle said.
