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How powerful is the world's biggest battery?


18,026 Questions Answered

TEDEd Animation

Let’s Begin…

As of 2020, the world’s biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How can lakes be a battery? Explore how inventors are rethinking what a battery can be, and how these surprising solutions could help us achieve a sustainable future.

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Director Lisa LaBracio
  • Narrator Jack Cutmore-Scott
  • Storyboard Artist Wing Luo
  • Illustrator Luísa Holanda
  • Art Director Luísa Holanda
  • Animator Murilo Jardim
  • Music André Aires
  • Sound Designer André Aires
  • Hype Producer Taíla Soliman
  • Director of Production Gerta Xhelo
  • Hype Executive Producer Gabriel Garcia
  • Editorial Director Alex Rosenthal
  • Producer Bethany Cutmore-Scott
  • Editorial Producer Elizabeth Cox
  • Script Editor George Zaidan
  • Fact-Checker Jennifer Nam

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