Wind Classes


















 

 


 

WIND POWER
CLASS


WIND CHARACTERISTICS 50 METERS ABOVE GROUND*
 

POWER
(W/m2)


 

SPEED
(mph)

 

1


 

0-200


 

0-12.5


 

2


 

200-300


 

12.5 -14.3


 

3


 

300-400

 

14.3 - 15.7


 

4


 

400 - 500


 

15.7 - 16.8


 

5


 

500 - 600


 

16.8 - 17.9


 

6

 

600 - 800


 

17.9 - 19.7