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Calcimator

Wind Farm Spacing Calculator

Calculate optimal turbine spacing to minimize wake losses.

Inputs

ft
× D
× D
acres
kW

Results

Maximum Turbines

72

Total Capacity

216 MW

Downwind Spacing700 m
Crosswind Spacing400 m
MW per Acre0.04 MW/acre
How to Use This Calculator
  1. Enter the rotor diameter of the selected wind turbine.
  2. Set the prevailing wind direction to determine the dominant spacing axis.
  3. Input the desired array size (number of turbines in row and column).
  4. Review the recommended row and column spacing in rotor diameters (typically 5–7D and 8–10D respectively).
  5. Optimize spacing to balance wake losses against land use using an energy yield model.

How the result changes with Rotor Diameter

Rotor DiameterMaximum TurbinesTotal Capacity
385001,500 MW
83104312 MW
13738114 MW
1822163 MW

What each input means

Rotor Diameter
Diameter of the turbine rotor.
Downwind Spacing
Spacing in the prevailing wind direction as a multiple of rotor diameter.
Crosswind Spacing
Spacing perpendicular to the wind as a multiple of rotor diameter.
Farm Area
Total available land area in acres.
Turbine Rated Power
Rated power of each turbine.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Rotor Diameter = 100, Downwind Spacing = 7, Crosswind Spacing = 4, Farm Area = 5000 = 5 input(s) provided
  2. Calculate Maximum Turbines
    Maximum Turbines
    72 = 72
  3. Calculate Total Capacity
    Total Capacity
    216 = 216
  4. Calculate Downwind Spacing
    Downwind Spacing
    700 = 700
  5. Calculate Crosswind Spacing
    Crosswind Spacing
    400 = 400

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