Energy Saving Trust:
new report on wind micro-turbines

A report by the Energy Saving Trust looked for the best locations for domestic wind turbines. The conclusion was that the average wind speed needed to be at least five metres per second. The study took two years. The best performing turbine was on a rural site on the island of North Ronaldsay, Orkneys. Here the average windspeed was 5.75 metres per second. A pole-mounted turbine would repay the initial investment in approximately ten years.

A similar turbine in Dagenham mounted on a building, where the average wind speed was 2.37 m/s would not pay back the cost of the installation.

N.D., Jul 09

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