REopt is a techno-economic decision support model used to optimize energy systems for buildings, campuses, communities, and microgrids. REopt recommends an optimal mix of renewable energy, conventional generation, and energy storage technologies to meet cost savings and energy performance goals.

NREL provides expert analysis services using the full REopt model. Learn more about the REopt model's inputs and outputs.

Use the REopt Lite web tool to evaluate solar photovoltaics and battery storage at your site.