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eng.wind-turbine-annual-energy Calculator
Calculates wind turbine Annual Energy Production (AEP) from power curve, hub height wind speed distribution, and availability. AEP calculation multiplies each wind speed bin's power output by its probability density — integrating over the full Weibull distribution gives annual energy.
Inputs
Rated Power Kw
Rate of energy transfer (W). P = V×I (electrical). P = F×v (mechanical). 1 horsepower ≈ 746 W.
Rated Wind Speed Ms
Rate of movement. 1 m/s = 3.6 km/h = 2.237 mph.
Cut In Ms
Rate of movement. 1 m/s = 3.6 km/h = 2.237 mph.
Cut Out Ms
Rate of movement. 1 m/s = 3.6 km/h = 2.237 mph.
Capacity Factor Pct
Maximum throughput or storage. Operating near 100% capacity typically increases failures and wait times.
Results
annual energy production (MWh)
The result of multiplying all input values together.
capacity factor
A dimensionless multiplier applied in the calculation.
producing hours/year
The result expressed in hours. Divide by 24 to convert to days.
rated power
The value at the specified point or condition.
homes powered (10,000 kWh/yr)
Reference formula or conversion factor shown for context.