National Center for Sustainable Transportation

California has set aggressive vehicle electrification goals to achieve its greenhouse gas (GHG) reduction targets. The state is also integrating renewable energy into the electric grid under the Renewables Portfolio Standard (RPS). Increasing electricity demand from electric vehicles, combined with increasing power generation from variable renewable energy sources like solar and wind, will require significantly increased electrical energy storage capabilities, such as batteries and pumped hydroelectric storage. Assessing long-term energy storage needs and deploying the necessary infrastructure will be critical for maintaining future grid reliability.

Researchers at the University of California, Riverside analyzed several scenarios using the California Public Utilities Commission’s Resolve power system planning model to understand how vehicle electrification, renewable energy standards, and GHG reduction goals affect California’s mid- to long-term energy storage needs. This policy brief summarizes findings from that research.

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