The Indicator from Planet Money How batteries are already changing the grid
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Jan 13, 2025 Discover how California has transformed the energy landscape with grid-scale battery storage, making renewable power more reliable. The podcast explores the impressive technology behind massive battery facilities, highlighting Tesla's role in this clean energy revolution. Learn about innovative solar energy storage that powers tens of thousands of homes and the growing demand for stable energy solutions. It also delves into California's historical commitment to renewable energy and the future of sustainable power in an evolving market.
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California's Battery Vision
- In 2008, California assembly member Nancy Skinner noticed a problem with renewable energy: it's intermittent.
- She championed a bill mandating utilities to buy battery storage, despite skepticism, which eventually led to California's battery boom.
How Grid-Scale Batteries Work
- Grid-scale batteries use similar lithium-ion technology as electric cars, housed in large containers.
- These batteries store excess solar energy during the day and release it when demand peaks in the evening.
Powering California Homes
- The Cal Flats facility sells its stored solar power to two main buyers: Apple and PG&E.
- This stored energy powers homes across California when needed, demonstrating the practicality of grid-scale batteries.