Hydraulic or thermal? When Tignes was swallowed up in the name of the national interest


On the left, the future dam symbolized on this postcard of the Tignes valley before the start of work. On the right, the Chevril dam, completed in 1952 and inaugurated in 1953, became a symbol of the modernization of France. Patrice Cartier/Bridgeman Images-Jean-Jacques Alcalay/Biosphoto via AFP

ELECTRIC DUELS (3/5) – Created by the nationalization of 1946, EDF leads the hydroelectric equipment program provided for by the Monnet plan. Faced with coal, dams, like that of Tignes, symbolize energy independence.

More than two centuries after the first battery invented by Volta, electricity is poised to establish itself as the energy of the 21st century. But each technology, each mode of production, each use has resulted from battles. Real duels whose outcome has helped shape our energy future.

France, in 1945. Outraged, broken, but liberated. Everything is missing. “At the end of the war, the French live to the rhythm of power cuts”recall Boris Dänzer-Kantof and Félix Torres, authors of The Energy of France (1). Two major decisions are made. The nationalization of electricity was passed in April 1946: 154 production companies, 251 gas companies, 86 transport companies, and 1150 distribution companies joined together to create EDF. Then, the first plan, drafted under the direction of Jean Monnet, paces the effort, in priority in six sectors: coal, electricity, steel, construction, agriculture and transport. When the Commissariat presents its complete plan…

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