When batteries get a facelift, so does renewable energy
Sep 16, 2026 · 13m
Summary
Host Cooper explores the rapid rise of grid-scale battery storage, visiting a California solar facility to see how lithium-ion batteries now power thousands of homes. The episode traces the "battery domino effect" from 1990s camcorders to electric vehicles, explaining how consumer demand and policy drove a 90% drop in costs. Experts discuss emerging technologies like sodium-ion and redox flow batteries that promise longer durations and lower environmental impact, highlighting how storage is becoming essential for powering AI data centers and electric aviation.
Topics discussed
Intro: Cooper demonstrates grid-scale battery storage
The rise of battery storage in California
Tour of Cal Flats solar and battery facility
Drivers of demand: EVs and AI data centers
Origins: Sony camcorders and the 1990s
The battery domino effect across consumer sectors
EVs, China's manufacturing hub, and cost drops
The 2021 tipping point for US grid storage
Why lithium-ion technology is superior
Lithium iron phosphate (LFP) as the grid standard
Future applications: Electric aviation
Sodium-ion batteries: Cheaper and more abundant
Redox flow batteries for multi-day storage
2030 forecasts and the overlooked energy revolution
Credits and series promotion
Sponsor reads and NPR news headlines
Emmy Awards recap promotion
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