The Skystream 3.7 wind energy generator is a 1.8 KW Residential Power Appliance manufactured by Southwest Windpower, in Flagstaff AZ, and is mounted on a 50’ mono tower (35’ is standard).
The three blades have a diameter of only 12 feet and the unit has only two moving parts. Located in Anamosa, with lower overall wind speeds, expected annual output is 4120 annually, with minimal, if any, wind generation during summer months.
The generator begins producing power at low wind speeds (about 8 miles per hour) and has a rated wind speed of 21 miles per hour.
SPECS: Rotor: 12 feet; 50–325 RPM; Alternator: Gearless, permanent magnet brushless; Voltage Output: 208 VAC (Optional 240 VAC), Estimated Energy Production: 400 KWh per month at 12 MPH (5.4 m/s) .