Plans in for £500m Hollow Mountain pumped hydro scheme

Renewable energy leader Drax has submitted plans to expand its iconic ‘Hollow Mountain’ Cruachan facility in Scotland.
The major infrastructure plan would see the underground facility expanded to create a second facility that would act as a giant water battery storing electricity generated from wind farms.
The ambitious project would involve excavating around 2 million tonnes of rock from inside Argyll’s highest mountain Ben Cruachan to create a cavern and tunnels for the Cruac