1. Between St Malo and Dinard in France Coline Visse Angele vanbecelaere
Dam of the Rance
Between St Malo and Dinard in France
Coline Visse
Angele vanbecelaere

2. Location

3. Location

4. General facts Construction in 1966 Cost of 740 millions €
Can produce 240MW
The most important tidal power plant in the world until 2011
Road bridge between St Malo and Dinard

5. Properties 750 m long Required creation of a lake of 22km2
Equipped with 24 bulb turbine with a middle flow of 260m3/s
20% of electricity in rising tide
80% of electricity in falling tide

6. Production
26% of the electricity produce in Bretagne is supply by this power plant
500 GWh/year
0,2€/ Kwh

7. Ecologic impact Some fishes disseapered
Silting which cause the lost of 1% of the dam efficiency/year
So wildlife is totally tranformed