The program's purpose is to track and log data from photovoltaic inverters, collect power data and store them. Also a purpose is to provide an interface to extract these data, allowing applications like web site stats of the system.

Solarpowerlog supports at the moment Solarmax inverters, connected via ethernet or serial interface, however it is programmed in a way to easy add support for other inverters as well.

The program supports logging to the console, logging to CVS and writing HTML files to be serverd by a web server.