Wind Turbine Power Calculator
Power output and annual energy of a wind turbine from rotor diameter, wind speed and efficiency.
How to use the Wind Turbine Power Calculator
- Enter or select: Rotor diameter, Wind speed, Power coefficient Cp, Air density, Capacity factor.
- The results (Power, Power available in wind, Annual energy) are calculated instantly as you type.
- Use “Copy link” to share the calculation with the same input values.
Formula
- P = ½ρAv³·Cp
- Betz limit Cp ≤ 16/27