Firefighters were called out to Moetapu Bay in Moenui after power lines fell into the bush.
Linkwater and Havelock volunteer fire brigades were called out to Moetapu Bay Rd about 5.50pm on Wednesday.
Havelock chief fire officer Alan Stanford said there was no fire, but firefighters were called in case one started.
Linkwater firefighters were at the scene for almost two hours while Marlborough Lines turned off the power and repaired the line.
Operations manager Brian Tapp said there was a small outage to one customer.
- The Marlborough Express