PVsyst is a PC software package for the study, sizing and data analysis of complete PV systems.
It deals with grid-connected, stand-alone, pumping and DC-grid (public transportation) PV systems, and includes extensive weather data and PV systems components databases, as well as general solar energy tools.
This software is geared to the needs of architects, engineers, researchers. It is also very helpful for educational training.
PVsyst focuses on complete and precise PV system study with a complete set of tools.