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

A team of researchers found 35,000 pairs of existing reservoirs, lakes and old mines in the US that could be turned into long-term energy storage – and they don’t need dams on rivers.

Matthew Stocks, Research Fellow, ANU College of Engineering and Computer Science, Australian National University • conversation
Jan. 19, 2022 • ~8 min

The UK plans to build huge batteries to store renewable energy – but there's a much cheaper solution

Grid-scale batteries could be at least double the cost of those in electric vehicles.

Andrew Cruden, Professor of Energy Technology, University of Southampton • conversation
July 27, 2020 • ~6 min

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