说明：  The System Advisor Model (SAM) is a free techno-economic software model that facilitates decision-making for people in the renewable energy industry: Project managers and engineers Policy analysts Technology developers Researchers
(Photovoltaic systems, from small residential rooftop to large utility-scale systems Battery storage with Lithium ion, lead acid, or flow batteries Concentrating Solar Power systems for electric power generation, including parabolic trough, power tower, and linear Fresnel Industrial process heat from parabolic trough and linear Fresnel systems Wind power, from individual turbines to large wind farms Solar water heating Geothermal power generation Biomass combustion for power generation High concentration photovoltaic systems)