The Swift Wind Turbine is a building-mountable unit that developers say provides a quiet, cost-effective renewable energy source for domestic, community, and industrial use.
Each Swift, from Cascade Renewable Energy Solutions, Grand Rapids, Mich., can provide about 2,000 kWh/yr in areas with above average or favorable winds (class 3 or higher), which equates to about 20% of the annual energy usage of a typical home. The turbine can mount to a single pole or attached to a house. The table tells of a few more specs.
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