PVsyst software

PVsyst is a specialized architectural and engineering software package used for the study, sizing, simulation, and data analysis of complete photovoltaic (PV) systems. It is widely considered the industry standard for solar energy professionals, researchers, and engineers worldwide.

Developed specifically for Windows, the software originated in Switzerland and is maintained by PVsyst SA. Unlike many industrial software tools that have been acquired by multinational conglomerates, PVsyst remains an independent entity, ensuring its focus remains on scientific accuracy and technical modeling of solar radiation and system components.

The development and maintenance occur primarily in Satigny, Switzerland. The software serves the global renewable energy market, providing tools for grid-connected, stand-alone, pumping, and DC-grid systems, as well as extensive meteorological and PV component databases.