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Storage

Energy storage isn’t just for AA batteries. Thanks to investments from the Energy Department's <a href="http://arpa-e.energy.gov/">Advanced Research Projects Agency-Energy (ARPA-E)</a>, energy storage may soon play a bigger part in our electricity grid, making it possible to generate more renewable electricity. <a href="http://energy.gov/articles/energy-storage-key-reliable-clean-electricity-supply">Learn more</a>.

Energy storage isn’t just for AA batteries. Thanks to investments from the Energy Department's Advanced Research Projects Agency-Energy (ARPA-E), energy storage may soon play a bigger part in our electricity grid, making it possible to generate more renewable electricity. Learn more.

As America moves closer to a clean energy future, energy from intermittent sources like wind and solar must be stored for use when the wind isn’t blowing and the sun isn’t shining. The Energy Department is working to develop new storage technologies to tackle this challenge -- from supporting research on battery storage at the National Labs, to making investments that take startup concepts to grid-scale solutions.

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Urban Electric Power Takes Energy Storage from Startup to Grid-Scale

Learn how a New York startup is trying to change the way we store energy.

A Liquid Layer Solution for the Grid
The Liquid Metal Battery is comprised of liquid metal electrodes and a liquid electrolyte of differing densities, which allows the liquids to separate and stratify without the need for any solid separator.

Read about the Liquid Metal Battery -- an innovative emerging technology comprised of liquid metal electrodes of differing densities, which allows the liquids to separate and stratify without the need for any solid separator.

PNNL Solving the Energy Storage Challenge

In order to maintain reliability from renewables, energy must be stored for when power cannot be generated. PNNL scientists discuss the challenges and progress being made.

Powering up America’s Waterways
This map demonstrates the potential capacity to generate clean hydroelectric energy at existing non-powered dams across the U.S.

A new report looks at the tremendous potential to generate clean hydroelectric energy at existing dams across the U.S.