Pumped Hydro

Lower Glyn Rhonwy Quarry, Wales.

Green light for pumped hydro project

It might not be the biggest project of its kind, but at half a gigawatt the Glyn Rhonwy pumped-storage hydroelectricity scheme is still a milestone in grid-scale energy storage in the UK. And as of…


The Ludington Pumped Storage Plant on the Lake Michigan shoreline.

Pumped hydro looks good at 40

We’ve already seen that, despite massive initial capital costs, the amount of energy needed to build a pumped hydro plant compared with its lifetime storage capacity makes it the most efficient energy storage investment in…