Wind Turbine Calculator

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Estimated figures for the MCS accredited turbines delivering the best payback in your chosen location 52.34m above sea level where windspeed at 10m elevation is estimated at 4.70 m/s *:

Est Cost £58,000.00
Wind In 5.09m/s
Power Out 28,483kWh pa
Income £5,710.86 pa
20yr Profit £108,636.33
Payback 9y 10m
Return 9.37%pa, 5.28% AER
Est Cost £44,100.00
Wind In 4.94m/s
Power Out 20,611kWh pa
Income £4,132.46 pa
20yr Profit £75,896.62
Payback 10y 4m
Return 8.61%pa, 5.01% AER
Est Cost £41,850.00
Wind In 4.79m/s
Power Out 19,369kWh pa
Income £3,883.57 pa
20yr Profit £70,804.68
Payback 10y 5m
Return 8.46%pa, 4.95% AER
Est Cost £53,000.00
Wind In 4.94m/s
Power Out 22,551kWh pa
Income £4,521.43 pa
20yr Profit £76,984.09
Payback 11y 2m
Return 7.26%pa, 4.49% AER
Est Cost £60,000.00
Wind In 5.19m/s
Power Out 25,221kWh pa
Income £5,056.89 pa
20yr Profit £85,174.51
Payback 11y 3m
Return 7.10%pa, 4.42% AER
Est Cost £40,000.00
Wind In 4.79m/s
Power Out 13,590kWh pa
Income £2,724.78 pa
20yr Profit £36,114.53
Payback 13y 6m
Return 4.51%pa, 3.22% AER
Est Cost £30,000.00
Wind In 5.09m/s
Power Out 9,645kWh pa
Income £1,933.86 pa
20yr Profit £23,580.01
Payback 14y 2m
Return 3.93%pa, 2.90% AER
Est Cost £25,000.00
Wind In 4.70m/s
Power Out 7,698kWh pa
Income £1,543.55 pa
20yr Profit £17,472.55
Payback 14y 7m
Return 3.49%pa, 2.65% AER
Est Cost £26,666.67
Wind In 4.79m/s
Power Out 7,831kWh pa
Income £1,570.02 pa
20yr Profit £16,195.45
Payback 15y 3m
Return 3.04%pa, 2.37% AER
Est Cost £28,333.33
Wind In 4.94m/s
Power Out 8,029kWh pa
Income £1,609.74 pa
20yr Profit £15,341.87
Payback 15y 8m
Return 2.71%pa, 2.16% AER
Est Cost £26,000.00
Wind In 4.78m/s
Power Out 6,930kWh pa
Income £1,389.55 pa
20yr Profit £11,271.22
Payback 16y 6m
Return 2.17%pa, 1.80% AER
Est Cost £28,000.00
Wind In 4.94m/s
Power Out 7,130kWh pa
Income £1,429.65 pa
20yr Profit £10,002.91
Payback 17y 3m
Return 1.79%pa, 1.53% AER
Est Cost £14,000.00
Wind In 4.70m/s
Power Out 3,224kWh pa
Income £646.43 pa
20yr Profit £2,813.10
Payback 18y 8m
Return 1.00%pa, 0.92% AER
Est Cost £23,000.00
Wind In 4.23m/s
Power Out 4,970kWh pa
Income £996.41 pa
20yr Profit £2,531.58
Payback 19y 8m
Return 0.55%pa, 0.52% AER
Est Cost £18,000.00
Wind In 4.89m/s
Power Out 3,597kWh pa
Income £721.14 pa
20yr Profit £107.32
Payback 20y 11m
Return 0.03%pa, 0.03% AER
Est Cost £32,000.00
Wind In 4.94m/s
Power Out 1,988kWh pa
Income £398.68 pa
20yr Profit £-28,060.71
Payback -
Return -

* We make the following assumptions in addition to those you may choose to change above

  • Illustrative turbine performance figures only. Figures are given in good faith but do not constitute "Financial Advice".
  • Exact Turbine subsidy figures may depend on grants available at particular locations and other factors.
  • Windspeed and elevation data is our interpretation of data modeled at specific points by a number of data providers.
  • Rotor heights shown are for a ground upward measurement, unobstructed by buildings or trees in the nearby vicinity
  • Tariffs shown presume installation after
  • Yearly output does not include a calculation for degradation over time
  • Only currently MCS certified turbines are shown. Other turbines exist and may gain accreditation in the future
  • Turbine technical information uses data supplied by a number of sources which may include the manufacturer
  • Installation costs will vary, an average figure has been estimated.
  • Exact equipment costs are estimated based on retail prices in 2011 and will vary.
  • You should consider other factors such as sound, appearance, and localised factors prior to making a decision
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