Homes were left without power after a cable fault.
UK Power Networks sent engineers to the repair the network.
It affected 751 customers across Sittingbourne, Kemsley, Milton Regis, Sonora Fields and Iwade in ME10 and ME9 postcodes.
It was reported to the supplier at 9.18am.
A UK Power Network spokesman said: "Our engineers worked swiftly and safely to restore supplies to all customers at 9.52am.
"We understand how difficult it is being without power and apologise for any inconvenience caused."
Have you been affected? Get in touch at email@example.com