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The plant
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Construction
Sustainability
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The plant
How it all works
Key figures
Power house cavern
Pump turbine
Vieux Emosson dam
Protecting the environment
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Location
The Nant de Drance scheme
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On-site information
Construction
Construction film
Vieux Emosson reservoir
Vertical penstocks
The power house cavern
The transformer cavern
Access shafts
Emosson reservoir
Châtelard
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Management reports
Annonces événementielles selon l’art. 53 RC
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Promoting biodiversity
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About Nant de Drance
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The plant
A pumped storage power plant
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Discover
Deep in the mountain
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The construction
A one-of-a-kind construction project
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Sustainability
Energy for the future
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