Properties around Whitchurch have been left without power after overhead lines were damaged.
Properties in Bronington and the surrounding areas have been affected severely by the power cut.
SP Energy Networks said repairs are taking longer and it is working to ensure the power supplies are restored to homes.
A spokesperson added: "There is a power cut in the SY13 postcode area of Whitchurch, affecting properties in Bronington and surrounding areas.
"We had no advance warning of this and only became aware of it at 10.42am.
"Repairs are taking longer than expected because of damaged overhead line equipment and our team are now working to get your power back on as quickly and as safely as possible by 4pm.
"We will update this message if this information changes.
"We apologise for the inconvenience and thank you for your patience."
You can follow SP Energy Networks via https://www.facebook.com/SPEnergyNetworks
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