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April 2022
NREL Researchers Plot Energy Storage Under Our Feet
Computer modeling done by scientists at NREL and Colorado School of Mines confirmed the feasibility of using depleted oil and gas wells as a space for energy storage.
March 2022
Battery Research Tackles New Challenges for Behind-the-Meter Stationary Storage Systems
Researchers at NREL are leading the development of new lithium-ion (Li-ion) battery designs specific to stationary storage requirements.
February 2022
Contaminant Identification Refines Recycling for Lithium-Ion Batteries
As the predominant choice for high-powered personal electronics, electric vehicles, and grid-scale storage solutions, lithium-ion (Li-ion) batteries continue to dominate the marketplace. To meet clean energy goals of the future, researchers must develop safe and sustainable recycling processes for these batteries.
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.
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Last Updated May 5, 2025