15e assemblée générale

de Nant de Drance SA

24 novembre 2023

Nant de Drance, one of Europe’s most powerful pumped storage power plants

 

The power plant

Located 600 metres underground, the Nant de Drance power plant pumps and passes water through turbines between the Emosson and Vieux Emosson reservoirs in Valais. It plays an important role in the security of electricity supply.

Find out more

The history of the power plant

It took 14 years to build the power plant which was commissioned in 2022.

Find out more

Sustainability

Thanks to its energy storage function using a renewable resource, the Nant de Drance power plant is helping to ensure a sustainable future for the Swiss and European energy system.

Find out more

900 MW

The same capacity as a nuclear plant like Gösgen

5 minutes

The time needed for the Nant de Drance power plant to switch from pumping at full power to turbining at full power

 

 

20 million kWh

The plant’s storage capacity

=

400,000 electric car batteries

Over 80%

One of the highest yields for electricity storage

 

Did you know ?

Environmental compensation measures

Nant de Drance SA is carrying out 14 ecological restoration and environmental regeneration projects.

Find out more

 

Nant de Drance book

The 14 years of construction of the Nant de Drance power plant.

Discover the project history