There’s been a lot of great pumped hydro news from around the world in the past month, so a bit of a round up is in order. As a reminder, pumped hydro is the gravity storage solution that actually works, unlike concrete blocks, elevators and hillside rail systems. We’ve been building and operating pumped hydro since 1907, most of the legacy facilities were built to give nuclear and coal plants something to do at night and to bridge their poor flexibility during the day, and it’s by far the biggest form of energy storage on the grid. Three years ago I built a grid storage analysis based on abstracted business factors, assessing all…
