SAM 2020.2.29 is the last version to include Dish Stirling and Direct Steam Power Tower CSP models. It is also the last version to include a supercritical carbon dioxide (sCO2) option on the Power Cycle page for CSP models.
NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy, LLC.