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Short Wave

Short Wave

When batteries get a facelift, so does renewable energy

Sep 16, 2026 · 13m

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About this episode

For years, renewable energy companies have faced a problem: How to store the mass amounts of energy they produce for later use. Batteries may be just the solution. In California, there's now enough grid-scale battery storage to power millions of homes for a few hours. Battery power is often the second largest source of energy on a given day in the state. So, we're revisiting the fast-growing technology with Cooper Katz McKim , a producer on The Indicator from Planet Money . Listen to the three-part battery series . Have questions about the future of energy? Contact us at shortwave@npr.org . Support public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks…