location-specific design of your photovoltaic system
PV Calculator — description
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 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 - Historical radiation data from 2005-2023 - Create additional projects and use the import/ export function - Consider Snowfall - Consider shading - Create your own individual load profile - Create an unlimited number of PV arrays - Export your results as a PDF summary with a custom company logo and address.
Latest version
Version
2.7.0
Update
Jun 10, 2026
Package ID
com.pvstrom.pvcalculator
What's new
Jun 10, 2026
• Compatible for tablets – optimized layout on larger screens • Array layout extended: group placement and group selection • Financial calculation optimized: specific costs and one-time repair payments after X years
Premium features: • Improved PDF export: new design, custom logo, company name, address, and contact details