Playing ball by the turbines
Windspire Energy has developed a vertical axis turbine that can work in a variety of locations, including homes and office buildings. This is software company Adobe's corporate headquarters, where 20 turbines were installed last year at its sixth floor patio. The location works well for turbines because the towers create a wind tunnel with steady speeds around 13 miles per hour, said Randall Knox, the senior director of workplace solutions at Adobe. He estimates that each turbine will generate about 2,500 kilowatt-hours a year, which is about one quarter or a half of what a U.S. house consumes in a year.
See related story: "Good data needed for small-wind turbines to spin"
May 12, 2010 8:22 AM PDT
Photo by: Windspire Energy
| Caption by: Martin LaMonica
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