PV Calculator Lite Version

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