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Entrance to Chavière Valley

Le portique de la vallée de Chavière
Credit : OT Pralognan

Description

Here, you’ll find the entrance to Chavière Valley with an explanatory panel about the valley and the sustainable measures in place to protect it.The power plant is located further down, in Le Villard village in the municipality of Le Planay. It gets its name from the waters it channels through turbines. Since the first half of the 20th century, Pralognan has had a hydroelectric power plant to capture the water from the Doron de Pralognan and its smaller tributaries (Isertan, La Glière, La Vuzelle) and turn it into electricity. In Savoie, water has been harnessed for key services ever since the late 19th century, as it was considered a plentiful resource.In 1943, construction began on Pralognan power plant following the merger of two hydroelectric development plans. But the war put the works on hold. In 1946, electricity was nationalised and the building work resumed with the national electricity provider, EDF. The plant was commissioned in 1949. Its architecture is typical of the post-war period, with imposing proportions. Nowadays, the plant’s three units, all fitted with two Pelton wheels (double turbines), generate the equivalent of the annual household needs of 64,500 inhabitants. Major efforts are being taken to ensure that the energy generated is 100% sustainable, does not emit greenhouse gases and is capable of meeting consumption peaks. 148,000 tons/year of CO2 were avoided this year.
Find out more about Pralognan power plant here (in French): www.edf.fr/sites/default/files/hydraulique/pays-de-savoie/documents/edf_pralognan.pdf

Technical information

Updated at : 27/03/2024
Lat : 45.3746029Lng : 6.7176818

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