It has an active (or usable) capacity of 12 million m³ and a surface area of 55 hectares.

This corresponds to a maximally storable electric power quantity of 8.5 GWh with the existing height difference between storage basins and turbines.

Two 800 m long penstocks, inclined at approximately 25 degrees serve as a conduit for water transfer.

The lower reservoir has a capacity of 18.9 million cubic metres (670×10^6 cu ft).

[1][2] From the outset of planning of this power station, it met with opposition and was contested with broad resistance from environmental protection groups, in particular from the Green League.