Hydrokinetic chamber (22), characterized in that it comprises a circular cross section, with a diameter compatible with that of the propeller/vanes of the hydrokinetic turbine (23), with the hydrokinetic chamber (22) located in and altimetrically on the bottom of an Energy-Generating Module (EGM), close to the bottom wall of the EGM (3), occupying the entire longitudinal length of the EGM, and planimetrically located in the space between 1 (one) pair of pressure/head hydropower generation components—powerhouse (17) and the bulb turbine (20), with the chamber (22) comprised of:
- water collector of the hydrokinetic chamber (21), located in and altimetrically on the bottom (3) of the EGM, on the upstream side of this EGM;
- leak channel of the hydrokinetic chamber (26), located on the bottom and on the downstream side of the EGM;
- flow control gate of the hydrokinetic chamber (28), close to/upstream from the hydrokinetic energy generation chamber (24);
- and
- stop-logs for maintenance of the hydrokinetic chamber (27), located at the start, upstream, and end, downstream from the chamber (22).