Your roof (TGW) – Mariah Power is planning a bigger version of its $5000, 30 foot, 1 kilowatt, residential vertical axis turbine.
The new $7000 (without the $3000 US tax credit) version will be able to produce 3 kilowatts, enough to power the average residential home.
The bad news is that the smaller version has a backlog of a few months, it is so in demand.
Via :: Ecogeek
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