Wind Turbine Calculator
Sustainability & EnvironmentFind the power output of a wind turbine from its blade length, wind speed, and efficiency.
Output power
Estimated electrical power output of the turbine
Sweep area
5,026.5482
Area swept by the turbine blades
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Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Sustainability & Environment calculators
Frequently Asked Questions
What is the formula for wind turbine power output?
Power output equals 0.5 times air density, times the blade sweep area, times wind speed cubed, times the turbine efficiency.
Why is turbine efficiency capped below 60 percent?
The Betz limit is a physical law stating that no wind turbine can capture more than about 59.3 percent of the kinetic energy in wind, so real efficiency always stays below that theoretical ceiling.
What is the output power for a 40 m blade at 8 m/s wind and 40 percent efficiency?
That turbine produces about 630.5 kilowatts of power.
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