Lately, vertical-axis wind turbines were being produced by various companies. Unfortunately, few turned out to be effective and useful. However, the new Windspire by Mariah Power looks promising. The Windspire is a plug-and-produce wind turbine that provides a safe method to convert wind into electricity.
At 30 feet(9.144 meter) tall and 2 feet(0.609 meter) in radius, the 1.2 kW Windspire is expected to produce 2000 kilowatt hours per year in 12 mile per hour(19.3 kilometer/hour) average winds. It includes a rotor, generator, and inverter designed as a complete system to optimize the conversion of wind energy into electricity. It connects to the household power supply, offsetting electricity use and at times running the electricity meter backwards.
The Windspire is simple but rugged capable of withstanding 100 mph(161 km/hr) winds. Its installation is simple, completed by a professional in few hours. Regular maintenance is limited to a couple of minutes a year to oil the bearings.
Complete with a high efficiency generator, integrated inverter, hinged monopole, and wireless performance monitor, the Windspire sells for $4,995.
Via Metaefficient and Mariah Power
Friday, September 5, 2008
Windspire: A Household Wind Turbine
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