SAM (System Advisor Model) vs PVsyst

A side-by-side comparison of pricing, ratings, target audience, integrations, and key features to help solar businesses choose between SAM (System Advisor Model) and PVsyst.

	SAM (System Advisor Model) Free performance and financial modeling from NREL	PVsyst The industry-standard PV simulation engine
Rating	4.7(58)	4.7(156)
Pricing	Free	Perpetual License
Free Trial	Yes	Yes
Target Audience	ResidentialCommercialUtility	CommercialUtility
Key Features	Free and open-source performance modeling Detailed financial modeling for PV and storage Weather data integration for accurate yield estimates Widely used standard in academic and government analysis	Detailed loss diagram and shading simulation Extensive database of modules, inverters, and trackers Bankable P50/P90 energy yield reporting Support for grid-tied, off-grid, and pumping systems
Integrations	PVsystSolargis API	MeteonormPVGISSAM
	Visit Website	Visit Website

Quick takeaways

Rating: SAM (System Advisor Model) has the edge.
Review volume: PVsyst has the edge.
Integration breadth: PVsyst has the edge.

These takeaways summarize the data above and aren't a recommendation. See our ranking methodology for how listings and ratings are compiled.

More alternatives to SAM (System Advisor Model)More alternatives to PVsyst