Examine three different technologies to store energy from renewable or conventional power sources for later use on an electrical grid, in this video from NOVA: Search for the Super Battery. With the means to currently store just 2 percent of its generating capacity, the United States is searching for efficient and economical energy-storage solutions. One option is to store energy in a massive spinning flywheel that generates electricity as it slows. Other current storage solutions include pumped hydroelectric storage and lithium-ion batteries. Each has benefits and limitations for managing energy on the nation’s electrical grid. This resource is part of the NOVA Collection.
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