Exploring the world's largest batteries. Old tech could still be the future of energy storage. Go to https://brilliant.org/Undecided to sign up for free. And also, the first 200 people will get 20% off their annual premium membership. Because of the intermittency of renewable energy like wind and solar power, storing large amounts of electricity is a necessity for the decarbonization of our energy system. However, we still don't have enough batteries to compensate for renewable energy slumps across the planet. When thinking about the biggest utility-scale energy storage installations, a huge cylindrical lithium ion battery powered light bulb may go off in your head. But what if I told you the world’s largest battery taps into water rather than lithium? Can an old technology, even one still learning new tricks, be the answer? Let’s see if we can come to a decision on this. Corrections: 7:04 Clarification - $100/kWh is the build cost. Watch This Battery Breakthrough Lets EVs Charge in MINUTES https://www.youtube.com/watch?v=48vPgAPtkJg Video script and citations: https://undecidedmf.com/episodes/the-worlds-largest-battery-isnt-what-you-think Get my achieve energy security with solar guide: https://link.undecidedmf.com/solar-guide Follow-up podcast: Video version - https://www.youtube.com/channel/UC4-aWB84Bupf5hxGqrwYqLA Audio version - http://bit.ly/stilltbdfm Join the Undecided Discord server: https://link.undecidedmf.com/discord 👋 Support Undecided on Patreon! https://www.patreon.com/mattferrell ⚙️ Gear & Products I Like https://undecidedmf.com/shop/ Visit my Energysage Portal (US): Research solar panels and get quotes for free! https://link.undecidedmf.com/energysage And find heat pump installers near you (US): https://link.undecidedmf.com/energysage-heatpumps Or find community solar near you (US): https://link.undecidedmf.com/community-solar For a curated solar buying experience (Canada) EnergyPal's free personalized quotes: https://energypal.com/undecided Tesla Referral Code: Get 1,000 free supercharging miles or a discount on Tesla Solar & Powerwalls https://ts.la/matthew84515 👉 Follow Me Mastodon https://mastodon.social/@mattferrell X https://X.com/mattferrell https://X.com/undecidedMF Instagram https://www.instagram.com/mattferrell https://www.instagram.com/undecidedmf Facebook https://www.facebook.com/undecidedMF/ Website https://undecidedmf.com/ 📺 YouTube Tools I Recommend Audio file(s) provided by Epidemic Sound http://bit.ly/UndecidedEpidemic TubeBuddy https://www.tubebuddy.com/undecided VidIQ https://vidiq.com/undecided I may earn a small commission for my endorsement or recommendation to products or services linked above, but I wouldn't put them here if I didn't like them. Your purchase helps support the channel and the videos I produce. Thank you.