1. Tower&main frame - 29,1%*
2. Yaw system - 1,25%*
3. Nacelle housing - 1,35%*
4. Rotor blades - 22,2%*
5. Rotor hub&bearings - 2,59%*
6. Gear box -12,91%*
7. Brake system - 1,32%*
8. Generator - 3,44%*
9. Anemometr
10. Cables - 0,96%*
11. Pitch system - 2,66%*
* - Cost-sharing of main components for 5 MW Wind Turbine
Source: EWEA