Unison relationship manager Danny Gough said 66 customers had lost power as a result of the incident.
He said Unison expected to have the last of it restored by about 4.30pm.
One person was also seriously injured after a vehicle crashed through a fence in Flaxmere on Monday morning.
A police spokeswoman said they were called to the crash on Dundee Dr about 10.30am.
A St John spokeswoman said an ambulance treated and then took two people to Hawke's Bay Hospital - one in a serious condition and one in a minor condition.
The police spokeswoman said police also received reports of a collision earlier in the morning, involving a car and a moped on Kennedy Rd about 10.10am.
The St John spokeswoman said ambulance staff treated one patient in a minor condition at the scene.
Police were also called to a crash on Orchard Rd, near Hawke's Bay Hospital about 8am.
There were no injuries or blockages.