On September 24, 2014, Southern California Edison (SCE) unveiled the Tehachapi Energy Storage Project, the largest battery energy storage system (BESS) in North America. The 32-MWh demonstration project will use lithium-ion batteries to evaluate the ability of BESSs to improve grid performance and assist in the integration of large-scale variable renewable energy resources like wind and solar power.
The Tehachapi Energy Storage Project is a major step forward in using large-scale battery storage to integrate renewables and support grid stability. As part of California’s broader energy storage procurement target, projects such as this will help define the BESS market in the United States. These early projects will test cost effectiveness of BESS technologies, evaluate the value of storage at different grid locations, and encourage the development of competing business models.
SCE Press Release: SCE Unveils Largest Battery Energy Storage Project in North America
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