Model: Sky Farm 50kW Power Output: 50kW Annual Energy Production: 45,000kWh at unknown wind speed Cut-in wind speed: 4m/s Cut-out wind speed: 40m/s Rotor Height: 6m Rotor Diameter: 5m Tower Info: 16m Company Information: No longer in business Resource Categories: H-Type, VAWT Companies, Vertical Axis Wind Turbines