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The Ship-aH2oy project has set sail with a bold ambition to develop zero-emission propulsion technology on board ships using green hydrogen from liquid organic hydrogen carrier (LOHC) on a megawatt scale.
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The Wärtsilä Hybrid Upgrade solution, has been selected for retrofitting two offshore construction vessels owned by Norwegian operator Østensjø 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 Wärtsilä 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 Wärtsilä Hybrid Upgrade solution in order to give the ships a more attractive environmental profile for potential charterers. The Wärtsilä 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 fu