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OSV reduces bunker bills with on board energy storage solution

25 Dec 2017

Austevoll-based North Sea Shipping which owns, operates and provides management services for advanced offshore supply vessels (OSVs) is planning to install an energy storage solution on board the North Sea Giant.

The solution will introduce a hybrid/battery system to operate the vessel engine closer to its optimal load and reduce its energy consumption, operating costs and exhaust emissions, says power generation and technology firm Wärtsilä.

The estimated reduction in emissions is 5.5 million kg of carbon dioxide, 30 tonnes of nitrogen oxide and 1,200 kg sulphur oxide per year.

 “It is important for us to reduce environmental emissions and modernise the vessel to make it more competitive,” says CEO Hallvard Klepsvik, North Sea Shipping AS.

“In addition, with a more efficient vessel, we will save fuel expenses.

“After Wärtsilä had retrofitted our ship Atlantic Guardian in 2014, we really understood how much fuel can be saved by improving the vessel’s efficiency.

“Efficiency also saves time, because you only need to refuel every second or third port visit.”

The North Sea Giant is a DP3 vessel. According to Wärtsilä, installation of an energy storage solution into a class DP3 vessel has never been carried out before.

“Wärtsilä has gained a high competence on hybrid projects on many different vessel types, and has a close relationship with the customers,” says Cato Esperø, Director Sales Norway, Wärtsilä.

“For this reason, we are able to test new technology on many different types of vessels.

“We are the first in the world to work with hybrid systems on bigger vessels such as the DP3 classified North Sea Giant, and the project will set a new standard for this type of vessels.”

Photo credit: Wärtsilä
Published: 26 December, 2017

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