Wind Turbine Estimator beta is a free Android application developed by android-design.nl that allows users to calculate a variety of wind turbine-related parameters. With this app, users can calculate the rated output power, annual energy output, cost of wind power, annual profit, return on investment, break-even point, and CO2 reduction.

The app requires users to input data such as rotor size, wind turbine cost, wind turbine revenue, turbine efficiency, generator efficiency, mechanical efficiency, capacity factor, land lease cost, and operations and maintenance cost. Once the data is inputted, the app calculates the desired parameters.

Wind Turbine Estimator beta is an excellent tool for anyone interested in wind turbine technology and its potential outputs. The app is easy to use and provides accurate results. It is available for free on the Google Play Store.