Wartsila Hybrid Upgrades will Give 2 Ostensjo Rederi Vessels Attractive Environmental Profile

Source: www.gulfoilandgas.com 12/14/2020, Location: Europe

The Wartsila Hybrid Upgrade solution, has been selected for retrofitting two offshore construction vessels owned by Norwegian operator Ostensjo Rederi. The upgrading project will allow less use of the ships’ engines with correspondingly lower levels of exhaust emissions while operating in dynamic positioning (DP) mode, and will also lower emission levels in all other operational modes. The order with the technology group Wartsila was placed in the third quarter of 2020.

The two ships, the ‘Edda Fauna’ and ‘Edda Flora’, were built in 2008. The customer opted for the Wartsila Hybrid Upgrade solution in order to give the ships a more attractive environmental profile for potential charterers. The Wartsila Hybrid Upgrade solution will include the company’s new electronic DC bus-link, which allows a vessel to operate in DP 2 and 3 modes with a closed DC bus in hybrid, and an open bus on the AC system. The reduced running of the engines saves fuel and lessens the carbon footprint, while engine maintenance requirements are also alleviated.

“We intend to be a shipping company that leads in sustainable operations. Today’s carbon footprint is to be reduced through systematic efforts and continued technical development at all levels. This is why we have chosen to upgrade these vessels to hybrid propulsion, which is an area of technology where Wartsila excels,” says Egil Arne Skare, Chief Project Officer, Ostensjo Rederi.

“The Wartsila Hybrid Upgrade solution aligns with our five strategic themes; Towards Zero Emissions, Efficiency, Safety, Reliability, and Fuel Flexibility. There is a growing trend in the marine sector towards hybrid propulsion, with more and more companies taking advantage of the benefits it offers,” says Helge Solberg, Senior Proposal Engineer, Wartsila Marine Power.

Delivery of the Wartsila equipment to both vessels is planned for January 2021.

Funding from Enova, the Norwegian government enterprise that promotes the environmentally friendly production and consumption of energy, has been an important contribution to this project.

The marine industry’s first integrated hybrid power module
By combining its competences in marine electrical, automation and engine technology, Wartsila has brought together multiple functions and systems to deliver a single integrated hybrid power module that combines engines, an energy storage system, and power electronics optimized by a unique and highly sophisticated, energy management system (EMS).

The EMS functions as the ‘brain’ in the Wartsila Hybrid System optimising the energy flows between the different power sources, storage and consumers to achieve the highest efficiency possible.


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