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June 2021
The Challenge of the Last Few Percent: Quantifying the Costs and Emissions Benefits of a 100% Renewable U.S. Electricity System
Large-scale simulations by NREL researchers show that the U.S. can get close to 100% renewable generation cost-effectively—but the final few percent drive a nonlinear increase in total system cost.
May 2021
What We Know—and Do Not Know—About Achieving a National-Scale 100% Renewable Electric Grid
Published in the journal Joule, "The Challenges of Achieving a 100% Renewable Electricity System in the United States" offers important insights into the technical and economic challenges that would need to be overcome to achieve 100% renewable electric power across the United States.
April 2021
International Power System Leaders Signal Commitment to Decarbonization Solutions During Launch Event
System operator CEOs and energy leaders from around the world discussed paths to net-zero-emissions during the launch event for the Global Power System Transformation Consortium.
Marine Corps Air Station Miramar and NREL: Allies in Energy Efficiency, Systems Integration, and Resilience
For Miramar's latest energy management mission, on-the-ground champions and energy experts partnered to build a new efficient, resilient, and cost-effective data center.
March 2021
NREL Clears Hurdle to Dynamic Stability for Renewables
To strengthen bulk grid stability for highly renewable grids, NREL has developed a breakthrough impedance measurement system for understanding how wind, solar, and other modern energy devices interact to affect the grid's moment-to-moment stability.
February 2021
Community Microgrids From All Angles
With funding from the Solar Energy Technologies Office (SETO), NREL will lead and contribute to multiple projects that emphasize microgrid controls and stability for community-scale systems, building and demonstrating new microgrid designs in a variety of real-system scenarios.
January 2021
"It Was a Grand Experiment, and It Worked"
A Q&A with David Narang and Richard DeBlasio, two of the pioneers of IEEE Standard 1547 and its 2018 revision that have become the definitive technical standards for interconnecting distributed energy resources into the grid.
December 2020
Solving Solar Power Growing Pains in Michigan
To expedite distributed energy resource integration and plan for more distributed energy generation, the Michigan Public Service Commission contacted NREL for help updating its rules.
The Future Is Autonomous: NREL's Autonomous Energy Grids Research Featured in IEEE Spectrum
A recent feature story in IEEE Spectrum magazine covers current progress and the opportunities ahead for autonomous energy grids (AEGs), and how the Basalt Vista neighborhood has made NREL's vision for AEGs a reality.
Top 20 NREL Stories of 2020
NREL researchers and staff reached countless goals and achieved numerous successes in science, partnerships, and technology commercialization in 2020, from breaking world records to launching new initiatives. Here are just a few of the highlights.
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Last Updated May 5, 2025