Life On The Plateau

Low-tech Magazine ..........
Ref: http://www.lowtechmagazine.com/2009/04/small-windmills-test-results.html#more

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- Energy Ball v100 (4,304 euro) : 73 kWh per year, corresponding to an average output of 8.3 watts
- Ampair 600 (8,925 euro) : 245 kWh per year or an average output of 28 watts
- Turby (21,350 euro) : 247 kWh per year or an average output of 28.1 watts
- Airdolphin (17,548 euro) : 393 kWh per year or an average output of 44.8 watts
- WRE 030 (29,512 euro) : 404 kWh per year or an average output of 46 watts
- WRE 060 (37,187 euro) : 485 kWh per year or an average output of 55.4 watts
- Passaat (9,239 euro) : 578 kWh per year or an average output of 66 watts
- Skystream (10,742 euro) : 2,109 kWh per year or an average power output of 240.7 watts
- Montana (18,508 euro) : 2,691 kWh per year or an average power output of 307 watts.

Keep in mind that these windmills would perform considerably worse in a built-up area.