La Rance tidal power plant
SGE
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The old idea of building a tidal power plant on the Rance estuary finally took shape in 1955. SGE engineers played an active role in the project, which involved cutting through the estuary. Problems, including erosion and tidal swell, built up through the duration of the works, but the civil engineering was completed when General de Gaulle inaugurated the plant on 26 November 1966.