Pont-ventoux2

The hydroelectric power plant of Pont Ventoux-Susa has
an installed capacity of 158 MW and uses water from the
river Dora Riparia and its tributary Rio Clarea. Extending over 27 km, the plant has two reservoirs: Clarea Valley reservoir and Gorge della Dora reservoir. At night water is pumped from the Gorge reservoir to Clarea Valley at a max capacity of 13 m3/s.

The underground electric plant connecting the reservoirs utilizes two production units. The binary unit is comprised of a Francis turbine and generator, and the triple unit comprises of a Francis turbine, generator, and pump.

The plant connects to Terna's national transmission grid through a 2 km high-tension underground electricity line.


Open-loop Pumped Hydro Storage


158,000