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Wind Turbine Economic Assessment Tool (WiTEAT)

Mean wind speed (m/s)
Anemometer height (m)
Tower height (m)
Weibull K
Wind shear exponent
Turbulence factor
Air density factor
Turbine power curve

Wind speed
Power (kW)
0 m/s
1 m/s
2 m/s
3 m/s
4 m/s
5 m/s
6 m/s
7 m/s
8 m/s
9 m/s
10 m/s
11 m/s
12 m/s
13 m/s
14 m/s
15 m/s
16 m/s
17 m/s
18 m/s
19 m/s
20 m/s
21 m/s
Turbine power rating (kW)
Turbine lifetime (years)
Machinery capital costs, £
Turbine blades
Turbine tower
Turbine transformer
Turbine transportation

Grant assistance
Total machinery cost
Building and infrastructure capital costs, £
Site preparation
Digging tower foundation
Transformer cabling
Substation cabling
Grid connection
Control system

Grant assistance
Total building cost
Overhead costs, £

Initial year overhead costs, £
Regular and casual
General insurance
Professional fees
Testing fees
Office and telephone

Total initial year overhead cost
Additional cost information
Building depreciation duration (years)
Machinery depreciation duration (years)
% Debt (0 - 100%)
Debt repayment term (years)
Feed-in-tariff (FIT)
Export tariff for electricity

Money rates
Debt interest rate (0.01 - 100%)
Inflation rate (0 - 100%)
Cashflow discount rate (0 - 100%)
Tax rate (0 - 100%)
MIRR finance rate (0 - 100%)
MIRR reinvestment rate (0 - 100%)
Select indicator

A summary of your results will be displayed here after executing the application. The application is executed by clicking the 'Run/Execute' button on the left.
A graphical summary income statement of your results will be displayed here after running the application. The application is run by clicking the 'Run/Execute' button in tab 'Run application'.