The REopt™ techno-economic decision support platform is used by NREL researchers to optimize energy systems for buildings, campuses, communities, microgrids, and more. REopt recommends the optimal mix of renewable energy, conventional generation, and energy storage technologies to meet cost savings, resilience, and energy performance goals.
Software Platform
NREL's powerful REopt capabilities are available through a free REopt Lite™ web tool evaluation or a custom REopt analysis.
Use the publicly available REopt Lite web tool to evaluate solar, wind, and battery storage potential at your site.
Work with NREL's expert team on a customized energy integration and optimization analysis using full REopt platform capabilities.
Project Successes
REopt analyses have supported decisions that led to more than 260 megawatts of renewable energy development. Explore our impactful projects in the following areas.
Featured Publications
Assessing Cost-Optimal Battery Energy and Solar-Plus-Storage Systems for Federal Customers:
A Nationwide Assessment
NREL preprint
Where and When Does Solar-Plus-Storage Make Sense for Commercial Buildings?
NREL fact sheet
REopt: A Platform for Energy System Integration and Optimization
NREL technical report
Renewable Energy Optimization (REopt)
NREL fact sheet
In the News
REopt Lite Goes Open Source: Now Programmers, Software Developers, and Researchers
Can Access the Code Behind the Web Tool
NREL Program News, Feb. 26, 2020
Think Distributed Solar-Plus-Storage Isn't Cost-Effective? Think Again.
Rocky Mountain Institute, Jan. 23, 2020
REopt Lite Evolves To Address User Priorities: New Features Help Building Owners Further
Explore Costs and Benefits of Resilience and More
NREL Program News, Dec. 5, 2019
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