PDF 1. DiOrio, N. DRAFT When you create a new case or file, SAM populates inputs with default values to help you get started with your analysis. So, if you create a case for a residential solar water heating project, SAM populates the inputs on the Financing and System Costs pages with values that are reasonable for a typical residential solar water heating system in the United States.
The default values are just a starting point: As you develop and refine your analysis, you should change the inputs to values that are appropriate for your analysis scenario.
Cassard, H. SAM includes a suite of applications for users to access the model in the way that works for them. The desktop application for Windows, macOS, or Linux has a user-friendly interface, extensive documentation, and advanced analysis features.
A PDF output function can also create a report of varying detail with technology and financial assumptions to share with project collaborators. For programmers, the software development kit provides access to underlying models, and the source code for SAM is available on GitHub for those who want to contribute their own models, explore the model algorithms, or help fix bugs.
The new release of SAM includes the latest solar resource data downloads from NREL's National Solar Radiation Database , which includes typical year and annual data in hourly, and sub-hourly time steps, and, for the first time, now covers Europe, Africa, and Asia in addition to the Americas.
SAM's default technology cost and performance data were also updated to align with NREL's Annual Technology Baseline , which is released every year to provide a consistent set of assumptions for energy analysis. In , the name changed to "System Advisor Model" to reflect the addition of non-solar technologies. As of the fall of , NREL began releasing one new version per year with periodic updates as needed. Since the first public release, over 35, people representing manufacturers, project developers, academic researchers, and policy makers have downloaded the software.
Manufacturers are using the model to evaluate the impact of efficiency improvements or cost reductions in their products on the cost of energy from installed systems. Project developers use SAM to evaluate different system configurations to maximize earnings from electricity sales.
Policy makers and designers use the model to experiment with different incentive structures. NREL is a national laboratory of the U. Home About. Development Team The members of the core development team are listed in the table below. Software Use The System Advisor Model SAM is free software that may be used for commercial, academic, or personal purposes under the terms of the legal disclaimer below.
PV Model Modernize the PVWatts model to use updated best-in-class PV modeling techniques, so that the grid integration studies and multiple external stakeholders dependent on PVWatts align with the latest and most accurate PV modeling methods.
Implement transient models to more accurately predict production at shorter timescales, and link to the upcoming 5 minute 2-km gridded solar and wind resource data for Puerto Rico, which will be essential for studies on technical and economic potential in this region.
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