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Batteries get hyped, but pumped hydro provides the vast majority of long-term energy storage essential for renewable power – here’s how it works

  • Written by Andrew Blakers, Professor of Engineering, Australian National University
Batteries get hyped, but pumped hydro provides the vast majority of long-term energy storage essential for renewable power – here’s how it worksThe U.S. has thousands of lakes and reservoirs that could be paired for pumped hydro storage without the need for rivers.Ollo via Getty Images

To cut U.S. greenhouse gas emissions in half within a decade, the Biden administration’s goal, the U.S. is going to need a lot more solar and wind power generation, and lots of cheap energy storage.

Wind...

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