Capacity Factor Calculator

Calculate the ratio of actual energy output to maximum possible output.

Actual Production

kWh

Rated Capacity

Hours in Period

hrs

Planned Downtime

hrs

Tab to move between fields

Capacity Factor

45.7%

Availability

95%

Performance Ratio48.1%

Full Load Hours4,000 hrs

Max Possible Production26,280,000 kWh

How to Use This Calculator

Enter the actual energy generated by the wind turbine over a period (kWh).
Input the turbine's rated (nameplate) power capacity in kW.
Set the time period in hours.
Review the capacity factor percentage.
Utility-scale onshore wind averages 25–45% capacity factor; offshore wind typically exceeds 45%.

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Related Calculators

Calculate annual energy production from wind turbine specs and wind speed.

Assess wind energy potential using Weibull distribution parameters.

Calculate the levelized cost of energy for a wind project.

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