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February 2022
REopt Is Not Lite Anymore
REopt, a free, techno-economic decision support model, helps users optimize energy systems for buildings, campuses, communities, and microgrids. Once called REopt Lite, the REopt tool is dropping the "Lite" in 2022 to better reflect its true status as a heavy-hitting and comprehensive optimization tool.
January 2022
Happy Hours: Energy Storage Could Support the Grid Every Hour of the Day, All Year Long
The latest phase of the Storage Futures Study finds the grid operates more efficiently with high levels of energy storage across all studied system configurations and grid mixes.
A Year in Review: Advancing Energy Storage and Conversion Research
Over the past year, NREL researchers have pioneered innovative, interdisciplinary, and integrated research and development for technology advancements in electrochemical, molecular, thermal, and mechanical energy storage systems.
December 2021
35 Teams Advance to Solar District Cup Finals
Today, the U.S. Department of Energy Solar District Cup Collegiate Design Competition announced that 35 teams from 39 schools are advancing as finalists in the Class of 2021–2022 program.
Building Better Batteries: Architecture for Energy Storage
A recent breakthrough by NREL and the University of Ulm advances the way researchers measure and analyze battery materials using an artificially generated representative architecture of a Li-ion electrode particle in sub-particle grain detail.
Machine Learning Method Could Speed the Search for New Battery Materials
To discover materials for better batteries, researchers must wade through a vast field of candidates. New research demonstrates a machine learning technique that could more quickly surface ones with the most desirable properties.
November 2021
An Evolving Dictionary for an Evolving Grid: Defining Long-Duration Energy Storage
A new thought piece by NREL analysts describes the challenges of defining long-duration energy storage to reflect both duration and application.
News Release: NREL Researchers Point Toward Energy Efficiency for Achieving 100% Renewable Grid
Incorporating energy efficiency measures can reduce the amount of storage needed to power the nation's buildings entirely with renewable energy, according to analysis conducted by researchers at NREL.
October 2021
Electric Vehicle Charging at Retail Locations Offers Convenience, Building Integration Opportunities
A new study from NREL compares load profiles from potential EV charging stations against those of big-box retail grocery stores to assess how the electricity demands of specific sites may change by adding EV charging.
Modeling a Future for Sustainable Energy Storage
As manager of the Mobility Infrastructure and Impacts Analysis (MIIA) group, NREL's Maggie Mann will be the first to tell you that electric vehicles (EVs) alone are not a perfect solution to achieve sustainability within the transportation industry.
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Last Updated May 5, 2025