Pumped Storage Boom (i.e. reservoirs as batteries)

[ergophobe]

We've discussed this before. China is now the world leader in pumped storage,* overtaking all of Europe, but around the world pumped storage is taking off

Is It a Lake, or a Battery? A New Kind of Hydropower Is Spreading Fast.
https://www.nytimes.com/interactive/2023/05/02/climate/hydroelectric-power-energy.html
TL;DR - pumped storage is spreading fast, especially in China


*Also a world leader in rolling out new coal plants.