An engineering breakthrough could let gentle UK hills store and release energy like larger dams and reservoirs

Traditional hydropower plant

Uses water to spin the generating turbines which in turn create electricity

Water

Dam or reservoir

50MW

station

Water

Turbine

‘High intensity’ hydropower

Plant uses a dense mineral-rich suspension and a more gentle gradient

50MW

station

R19

R19

Turbine

Traditional hydropower plant

‘High intensity’ hydropower

Uses water to spin the generating turbines which in turn create electricity

Plant uses a dense mineral-rich suspension and a more gentle gradient

Water

Dam or reservoir

50MW

station

50MW

station

R19

Water

R19

Turbine

Turbine