Lockheed Martin - Model AR1500 - Tidal Power Turbine Systems

The AR1500 is a Lockheed Martin designed, 1.5MW horizontal axis turbine complete with active pitch and yaw capability. The nacelle weighs approximately 150 tonnes in air and has a design life of 25 years. The rotor diameter is 18 meters and all key operational systems have triple redundancy built in to maximise reliability offshore.