PG&E Proposes Nearly 1,600 MW of New Battery Energy Storage Capacity

As part of its mission to build a stronger, more resilient energy grid for the hometowns it serves, Pacific Gas and Electric Company (PG&E) is proposing nine new battery energy storage projects totaling approximately 1,600 megawatts (MW), to further integrate renewable energy resources and improve reliability of the California electric system.

If approved by the California Public Utilities Commission (CPUC), these nine projects would bring PG&E’s total battery energy storage system capacity to more than 3,330 MW by 2024.

“As we work year-round to strengthen our electric system, we are also planning, engineering and building the grid for a future that harnesses the power of solar plus storage on an unprecedented scale. We are committed to safely delivering reliable and clean energy in a way that achieves the greatest value for our customers. And we know we can’t go it alone. We welcome continued partnerships with the best and the brightest to make California’s clean energy future a reality,” said Joe Bentley, Senior Vice President, Electric Engineering, PG&E.

These large-scale battery systems will participate in the California Independent System Operator (CAISO) markets, providing energy and ancillary service—such as serving as an operating reserve to help provide enough energy supply to meet demand—to the CAISO-controlled grid.