Engineering with Rosie - Pump It Up When You Don't Really Need It: Pumped Hydro, Future of Energy Storage, 28072022

There is a variety of new and old technologies being developed for Electricity Storage using, sand, concrete blocks, radioactive diamonds, and lithium ion batteries. But did you know that over 90% of current electricity storage is from Pumped Hydro: it is an energy storage solution that’s been around for over 100 years, but is set for a resurgence in coming years as we need to add long duration energy storage to support electricity grids with large proportions of variable renewables