Storrington and Ashington have been hit by power cuts.
Residents and businesses in Storrington have reported power failing and returning several times since 1.30pm.
UK Power Networks say there is currently a power cut in the RH20 post code area.
A statement on the website says: “We’re investigating an overhead electricity line that has been damaged in the local area.”
The number of customers affected and the time when the power is expected to be restored has not been confirmed.
Ashington is also said to be experiencing power cuts.
UK Power Networks said: “An underground electricity cable has faulted on our high voltage network, causing an area wide power cut.”
It said 390 customers were affected, and it estimated the problem would be resolved by 3pm today.
For live updates visit: http://www.ukpowernetworks.co.uk/link