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December 5, 2025

Demand Side Grid Support (DSGS)

CEC
Uncertain VPP Program in California Sets Capacity Record

A virtual power plant program with an indeterminate future set a record in 2025 for the capacity the plant contributed to California's electricity grid.

California Governor's Office
VPPs Suffer Setbacks in Calif. Legislative Session
The 2025 California legislative session ended in disappointment for virtual power plant proponents, as several VPP-related bills were vetoed and funding fell through for an existing program.
Brattle Group
Budget Cuts Threaten Calif. VPP Program
Clean energy advocates are urging California lawmakers to restore funding to a fast-growing distributed energy program that has shown its ability to support the grid during a test run. 
Brattle Group
Home Batteries Provide 535 MW to CAISO Grid on VPP Test Day
An aggregation of more than 100,000 residential batteries provided an average 535 MW of support to California’s electricity grid during a test to prepare for the hot summer period ahead.
Office of Gov. Gavin Newsom
California Hits Milestones for Batteries, DR Grid Support

As the growth in battery capacity is accelerating, the new milestone is one-quarter of the way to the state’s projected need of 52 GW of battery storage capacity by 2045.


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