2.  It is mechanism for producing electric power.  Wind power plants are installed in windy places.

3. Small wind power plants to Middle power plants Big wind power plants 60kW 60-750kW 750-6400kW

4. rotor mechanism Head of rotor Main centre Rotor brake rotor transmission Control mechanism generator shaft Mechanisms of rotation of gondola output tubus gondola

5.  It is one of renewable sourses – green energy.  No harmfull emissions of pollutants.  Andvantages and profit for the land owner and for the villages, towns.  New job opportunities for people.

6.  Noise.  Disturbing of animals.  Putting birds in danger.  Erosion of natural character of land.  Design defect, working safety.

7. Working wind power plants – its capacity and production in years Rok20042005200620072008200920102011 2012 Capacit y (MW) 172854116148192215217 260 Producti on (GWh) 8,321,349,4125245290336397 371

9. Producers of wind power plants