GoKawiilCalifornia grid adds 17,000 MW of battery storage, ending rolling blackouts since 2020
California avoided rolling power outages through the hottest August on record, a streak dating back to 2020. The state's grid operator has grown battery storage capacity from under 100 megawatts in 2020 to over 17,000 megawatts today, allowing solar energy captured during the day to be dispatched during peak evening demand.
GoKawiil's interpretation of the reporting above, not reported fact.
This buildout shows batteries can solve the classic solar problem—mismatched timing between generation and demand—at grid scale, not just in pilot projects. With plans to add up to 25,000 more megawatts by 2045 alongside a carbon-neutrality target, California is testing whether renewables plus storage can fully replace fossil-fuel peaker plants for reliability, a model other regions will likely study closely.
- Battery storage capacity grew from under 100 MW in 2020 to over 17,000 MW today.
- California hasn't needed rolling blackouts since 2020, even during record heat.
- The state aims for 20,000-25,000 more MW of storage by 2045, tied to its carbon-neutrality goal.
Source: yro.slashdot.org — Posted, 2026-09-14
Published there as: “No Rolling Power Outages for California Since 2020 - Thanks to 17,000 MW of New Battery Storage”
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