Photo from Unison's Facebook page showing conditions on Hawke's Bay highways.

Electricity lines company Unison Networks this morning advised its network across Hawke’s Bay, Taupo and Rotorua held up generally well to the overnight weather, with no new outages occurring.

Relationship manager Danny Gough said about 200 customers in Tutira remained without power, as well as those still off in the Taupo Plains. About 40 customers were also still without power in the rural parts of Rotoma and Reporoa in Rotorua.

Read more: 60,000 Hawke's Bay customers without power during mass outage: Unison.

"As soon as morning light shows its face the team will be able to make way to these areas to patrol if it is clear and safe to do so.

"We continue to advise these customers to prepare for prolonged periods without power as snow, heavy rain and wind is battering the landscape, meaning safety is challenging the restoration efforts.

"We must always ensure it is safe for our team to carry out repairs. We appreciate the patience of these customers who remain without power, so thank you."

He said helicopters were ready on standby for both Transpower and Unison to carry out fly overs in the Taupo Plains.

"We will have a better idea once daylight breaks whether the helicopters can also fly safely.

"We appreciate everyone's patience as Mother Nature rips across our network regions."

Customers can refer to Unison’s website for advice on getting through power outages and electrical safety: http://www.unison.co.nz/tell-me-about/safety.

The Napier-Taupo Rd remains closed, and is not expected to open before midday Sunday, according to the NZ Transport Agency. It is residents-access only between Tutira and Wairoa on State Highway 2 north of Napier, due to flooding south of Raupunga. The road is not expected to be open before midday Sunday.

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