Wind propulsion tech granted type approval

Wind propulsion tech granted type approval
Norsepower Rotor Sails installed on-board the Maersk Pelican

Norsepower’s wind propulsion solution, the Rotor Sail, has received the first-ever type approval design certificate granted to an auxiliary wind propulsion system on-board a commercial ship.

The type approval was granted by DNV GL following a design assessment of Norsepower’s 30m x 5m Rotor Sail. The certification means that vessels operating with the Rotor Sail are technically capable of navigating ‘all operational and environmental situations’.

The Rotor Sail has independently verified fuel savings of up to 20 per cent and is a solution that could help the shipping industry meet the IMO’s 2050 greenhouse gases (GHG) emissions reduction target.

Seppo Liukkonen, Principal Surveyor, DNV GL (centre), presenting the type approval design certificate to Jarkko Väinämö, Norsepower CTO (right), and Otto Valkeisenmäki, Norsepower Certification Engineer (left)

The wind propulsion technology has to date been installed on three vessels, with over 35,000 hours of operation, achieving reported CO2 savings of more than 4,500 tonnes. Two of these solutions have been installed on-board the Maersk Pelican LR2 tanker.

Norsepower CEO Tuomas Riski commented: “We are very proud to be the first company to have type approval granted to an auxiliary wind propulsion system onboard a commercial ship. Having a type approval design certificate is very important to us. Clearly, it provides shipowners, operators, and charterers with a level of assurance when investing in the Rotor Sail Solution, but in the long term, it removes yet another hurdle to the realisation of renewable wind energy propulsion systems at a scale that supports shipping’s transformation to a low carbon transport sector.”

Geir Dugstad, director of ship classification and technical director, DNV GL, added: “To help reduce shipping’s environmental impact we will need many different fuel and technology options, which is why we were very pleased that Norsepower asked us to be part of this innovative wind propulsion project.”