“We need to get cracking and build it. Not just because it takes more time than building a solar farm but because we need to show it can be done repeatedly and at reasonable cost. Seeing will be believing.
“Without pumped storage, the energy transition is in danger of stalling just as it should be accelerating. The energy transition, the achievement of net zero, containing global warming to 2 degrees all depends on it, depends, in other words, on us.”