The System Advisor Model (SAM) is a performance and financial free software designed to facilitate decision making for people involved in the renewable energy industry.

The current version of the SAM includes performance models for the following technologies :

- Photovoltaic systems (flat-plate and concentrating)
- Battery storage model for photovoltaic systems
- Parabolic trough concentrating solar power
- Power tower concentrating solar power (molten salt and direct steam)
- Linear Fresnel concentrating solar power
- Dish-Stirling concentrating solar power
- Conventional thermal
- Solar water heating for residential or commercial buildings
- Wind power (large and small)
- Geothermal power and geothermal co-production
- Biomass power

SAM : System Advisor Model