UK Power Networks reported that 16 phone calls were made regarding a power cut in Netherton, Peterborough.
Postcodes in the PE3 6 and PE3 9 area have been affected due to a fault on an underground electricity cable on the high voltage network affecting the local area, they have said.
It is expected that the power will resume between 8:30pm and 9:30pm, though some customers may be on sooner.
At 7:21pm, engineers were on their way to Berkeley Road, in an update on their website, they wrote: "Our engineers are on their way. We think the issue is faulty underground equipment affecting approximately 143 properties.
"Specialist engineers from our control room are also working to divert power remotely, so it's possible for your power to come back on at any point, but sometimes we can't restore everyone this way.
"That's why we're also sending staff to the area to check our equipment. Every fault is different, so our time frames have to be estimated, but currently we hope to have power back on between 20:30 and 21:30. We must stress that it may become necessary for this to change, depending on what our engineers find."