PV Calculator Lite Version 4+

Plan your customized PV system. Use location-specific weather data as well as battery storage and various load profiles.

It is important to present the potential of renewable energy generation in a simple and clear way for everyone.

Get an idea of the potential of photovoltaic power generation at your site.


languages: english, german


What makes this app stand out from others
* Typical meteorological year (TMY) as radiation data at your site

* Hourly resolution allows an accurate view of production and battery storage throughout the day

* Individual load profiles allow a design adapted to your consumer behavior

* Roof area measurement and panel positioning allow realistic planning


PV Calculator Lite Features

- Calculate the amount of electricity fed into the grid and purchased
- Calculate your annual savings and payback time
- Site specific solar irradiance
- Hourly resolution
- Define your PV-Modules and power inverter
- Automatic determination of optimal orientation
- Define your energy demand and daily load profile
- Sizing of your battery storage
- Roof area measurement and panel positioning

This app is Ad-free.


Premium Version Features

- Historical radiation data from 2005-2021
- Create multiple projects
- Import/ export projects or share with friends
- Consider Snowfall
- Consider shading
- Create your own individual load profile
- Create an unlimited number of PV arrays
- Export your results as Excel sheet