The App will go through the calculation in multiple stages. If you want to have a PV system, first you have to give your energy consumption per year or per month. If you don't have this data, you can give the size of your roof as well. The app can calculate, related to coordinates and irradiation, your required size of PV system.
Download the installer of PV Calculator 2 Lite 1.0.1 free of charge and have a look at users' reviews on Droid Informer. The app runs on Android devices 4.1 and above. The download of this application is 100% safe. PV Calculator 2 Lite is developed by Renewable Energy Park and its category is Tools.
The latest update of the app was released on Jul 30, 2016 and this application was downloaded by over 100 users. The average user rating of PV Calculator 2 Lite is 3.