Android app to forecast the output of your photovoltaic system (PV) or balcony pv using data from Open-Meteo.com. Even shading and the temperature coefficient are taken into account.

A simple tool designed to help you analyze the ideal size of solar panels

Dokumentation PV Balkonkraftwerk

Power measurement and Visualization for a small photovoltaic array (aka. "Guerilla PV" or "Balkon PV")