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Renewable Energy Storage: No Wind, No Sun, Now What?

🌎 Get our exclusive NordVPN deal here ➡️ https://NordVPN.com/sabine It's risk-free with Nord's 30-day money-back guarantee! Solar panels and wind turbines are great, so long as the sun shines and the wind blows. But what if they do not? Well, then we store the energy. But how? In this video I explain how high the risk of a cold, dark, and windless period is -- the "cold Dunkelflaute", and what energy storage we need for intermittent renewables. 💌 Sign up for my weekly science newsletter. It's free! ➜ http://sabinehossenfelder.com/ 👉 Support me on Patreon ➜   / sabine   📖 My new book "Existential Physics" is now on sale ➜ http://existentialphysics.com/ 🔗 Join this channel to get access to perks ➜    / @sabinehossenfelder   The figure I show at 1 minute 49 seconds is from this report: https://www.irena.org/publications/20... The estimate from the German Weather Service that I mention at 2 minutes 46 seconds is here: https://www.dwd.de/DE/presse/pressemi... The figure I show at 2 minutes 53 seconds is from this paper: https://www.mdpi.com/1996-1073/14/20/... The paper about the reliability of solar and wind which I discuss at about 3 minutes is this: https://www.nature.com/articles/s4146... The paper I mention at 4 mins 40 seconds is this: https://www.mdpi.com/1996-1073/14/20/... The data for installed storage capacity I show at 6 mins 10 seconds is from here: https://sandia.gov/ess-ssl/gesdb/publ... https://www.sciencedirect.com/book/97... The paper with the estimates for carbon dioxide emissions from storage is here: https://pubs.acs.org/doi/10.1021/es50... The estimate for the carbon footprint of lithium-ion batteries is from here: https://www.forbes.com/sites/rrapier/... And the Swedish report that I mention at 16 mins is here: https://www.ivl.se/download/18.14d7b1... Many thanks to Jordi Busqué for helping with this video http://jordibusque.com/ 00:00 Intro 00:31 The Dunkelflaute Problem 07:07 Energy Storage Options 14:04 Carbon Footprint of Energy Storage 16:59 What Do We Learn From This? 17:32 Sponsor Message #science #environment #climatechange