
The National Renewable Energy Laboratory (NREL) is a leading research institution focused on advancing renewable energy and energy efficiency technologies. It operates under the U.S. Department of Energy and is renowned for its cutting-edge research in solar, wind, biomass, hydrogen, geothermal, and energy systems integration. NREL's work aims to innovate and improve energy technology to support sustainable energy solutions. The laboratory also offers software tools, such as the System Advisor Model (SAM), available at https://sam.nrel.gov/, which assists in the financial analysis and performance modeling of renewable energy projects.