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Rolls-Royce to provide technology for ocean fish farm and live fish carrier

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LNG Industry,

Rolls-Royce has announced that it has been commissioned to provide equipment for two newbuild vessels by Nordlaks for use offshore Norway.

The vessels – a new hybrid/LNG live fish carrier (wellboat) and a 385 m long and 60 m wide offshore salmon farm – have been designed by NSK Ship Design. The wellboat will be built at the Tersan shipyard in Turkey, while the salmon farm will be constructed at the CIMC Raffles yard in China.

Rolls-Royce will supply six TT1100 tunnel thrusters to the massive fish farm, which has been designed to produce salmon further offshore than has been possible so far. The farm will take up a stationary position in an area southwest of Hadseløya in Nordland county. The thrusters will be used to circulate water both inside and underneath the cages in which the fish stocks are held.

Ottar Ristesund, Rolls-Royce, SVP Propulsion Sales – Marine, said: “This is the first time we will be supplying thrusters for this kind of use. Normally, they are used for ship propulsion, so it is fascinating to see that our technology is being applied in new areas. It’s good that the maritime industry can join forces with fish farmers to think innovatively and help Norway harvest food from the sea using new and sustainable methods.”

The wellboat will transport live salmon from the offshore fish farm to the onshore processing facility. It will be fitted with four LNG engines, as well as a propulsion and dynamic positioning (DP) system from Rolls-Royce. It will be able to carry more than 600 t of live salmon, and will significantly improve Nordlaks’s transport capacity.

Ristesund added: “By choosing a hybrid solution that includes our well-proven Bergen gas engines and the energy-efficient Promas propeller system, Nordlaks and NSK Ship Design have taken a long-term perspective with regard to both environmental and financial performance.

“In addition, they have specified a propeller solution that provides the best possible manoeuvrability – whether the vessel is serving traditional fish farms in Norway’s fjords or the new installations located in rougher waters offshore. Combined with the DP system, this means the vessel produces low emissions and will run efficiently for many years. We are pleased that Nordlaks has chosen Rolls-Royce Marine in connection with both these exciting projects, and will do our best to ensure they are a success for the client and the two shipyards concerned.”

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