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DAYS Highlights

Displaying 1 - 5 of 6
April 1, 2020

Long-duration electricity storage (LDES) – storage systems that can discharge for 10 hours or more at their rated power – have recently gained a lot of attention and continue to be a technology space of interest in energy innovation discussions. The increased interest stems from a growing appreciation and acknowledgement of the need for “firm” low-carbon energy resources to complement variable renewable generators like wind and solar, and ARPA-E is actively working to increase storage capacity to help fill this need. 

January 23, 2019

Dr. Scott Litzelman is a Program Director at ARPA-E. We recently sat down with him to discuss how he became interested in energy, his experience working in the industry, and how he’s hoping to transform America’s energy future.

September 17, 2018

The U.S. Department of Energy has announced the selection of 10 projects as part of a new Advanced Research Projects Agency-Energy (ARPA-E) program, Duration Addition to electricitY Storage (DAYS). Awardees will develop energy storage systems to provide reliable, affordable power to the electric grid for up to 100 hours, enhancing grid resilience and performance. Under Secretary for Science Paul Dabbar announced the DAYS awardees today at the Innovation XLab Energy Storage Summit at SLAC National Laboratory.

May 9, 2018

When Hurricane Maria struck the U.S. territory of Puerto Rico last September, it took the entire island’s power grid with it. Today, over 95 percent of the island has its power restored, but the rebuilding process is far from finished. Over the long term, many challenges remain — along with some big opportunities to make the grid smarter and more resilient.

April 30, 2018

The U.S. Department of Energy (DOE) today announced up to $30 million in funding for projects as part of a new Advanced Research Projects Agency-Energy (ARPA-E) program: Duration Addition to electricitY Storage (DAYS). DAYS project teams will build innovative technologies to enable long-duration energy storage on the power grid, providing reliable electricity for 10 to approximately 100 hours. 


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