Energy Storage
Energy Storage is Key to A More Efficient Grid
We are applying decades of know-how in energy storage to solve one of our industry’s most pressing challenges: storing intermittent renewable energy.
Advanced storage technology will play an important role in the smart grid. One day, strategically-positioned storage devices will give the grid new flexibility and resiliency. As a result, we and other utilities will be able to rely more on intermittently generated renewable power.
At our Electric Vehicle Technical Center — one of only two U.S. Department of Energy (DOE)-approved energy storage technology test sites — we have many years of experience in energy-storage technology. Our research and testing in electric-vehicle batteries has expanded into testing for larger applications, like bulk storage in the electricity grid. Today, our researchers are testing grid-scale storage technologies at generation sites, in transmission hubs, at the distribution level, and at power delivery points.
Utility-Grade Lithium-Ion Batteries
In partnership with the DOE, we are testing the limits of large-scale lithium-ion batteries for storing intermittently-generated wind energy. The project, taking place in California’s Tehachapi wind resource area, stores wind energy in utility-scale battery systems. Our partners in the project are battery manufacturer A123 Systems, the California Independent System Operator Corporation, California State Polytechnic University - Pomona, and others.
We believe our work in energy storage will help identify storage systems that can work throughout the industry, and spur production to help bring down the cost for everyone.
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