About 60 properties were left without power in Gremista this morning following a power cut.
A spokesman for Scottish and Southern Electric (SSE) said 64 customers were affected following a fault at 4am.
A total of 64 customers were affected and power was restored by 5am after the network was re-routed.
More repair work is to be carried out this evening and will affect eight customers in Gremista.
All properties are business properties and have been notified by SSE.
The Shetland Times was told of a loss of power in Gulberwick this morning. But SSE said they had not received any reports of problems in the area.
Anyone affected should call SSE on 0800300999.