The Rance Tidal Power Station

23 May 2012 | Author/Destination: | Rubric: Green Technologies Reading Time:  7 minutes

Aerial view: Saint-Malo on the right, Dinard on the left © Tswgb

Aerial view: Saint-Malo on the right, Dinard on the left © Tswgb

The Rance Tidal Power Station is the world’s first tidal power station and also the world’s second biggest tidal power station. The facility is located on the estuary of the Rance River, in Brittany. Opened on the 26th November 1966, it is currently operated by Électricité de France, and is the second largest tidal power station in the world, in terms of installed capacity. With a peak rating of 240 Megawatts, generated by its 24 turbines, it supplies 0.012% of the power demand of France. With a capacity factor of approximately 40%, it supplies an average 96 Megawatts, giving an annual output of approximately 600 GWh. The barrage is 750 m (2,461 ft) long, from Brebis point in the west to Briantais point in the east. The power plant portion of the dam is 332.5 m (1,091 ft) long. The tidal basin measures 22.5 km2 (9 sq mi).   read more…

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