Norsepower Rotor Sails™ provide a reliable and easy-to-operate auxiliary wind propulsion system with a proven record — typically producing 5–20% fuel savings. Norsepower Rotor Sails™ align with regulatory requirements from the International Maritime Organization‘s guidelines including Energy Efficiency Existing Ship Index (EEXI) and Carbon Intensity Indicator (CII), ensuring both environmental sustainability and adherence to industry standards.

Various third-party measurement campaigns have proven the savings potential of Norsepower Rotor Sails™ and verify the Norsepower Performance Simulator.


The Norsepower Rotor Sails™ are highly automized to minimize the additional workload for the crew and to maximize the efficiency.


Norsepower Rotor Sail™ is suitable for most vessel types: tankers, bulkers, cruise vessels, RoRos, RoPax vessels, general cargo vessels, and ferries.


The solution has been tested in co-operation with leading classification societies. it is robust, durable and safe to use.

Norsepower Rotor Sails™ have several patented features, which ensure their durability, safety, long lifetime, easy operations, and low maintenance costs.

These features include: