The utility model relates to hydraulic engineering, in particular to medium-pressure and low-pressure pumped storage power plants [PSPP], constructed in non-rocky soils, with a shaft (semi-underground) arrangement of vertical reversible hydraulic units. In a mine accumulating power plant built in rocky soils, including the upper basin, in which there is a vertical shaft water intake-outlet of the upper basin, a reversible hydraulic unit containing a reversible hydraulic turbine with a stator, equipped with a water supplying and discharging organ, a vertical shaft annular conduit formed by coaxial internal and external reinforced concrete wells, wherein a reversible hydraulic turbine is located in a hydraulic turbine block located in the lower part of the external iron a well, a suction-suction pipe of a hydraulic turbine unit connected to a pressure tunnel led into the lower pool, equipped at the end with a vertical shaft water outlet-water intake, connected by means of radially mounted gobies with a pressure tunnel, the water inlet-water outlet of a reversible hydraulic turbine is made in the form of a set of vertical columns with a cross section of each;columns in the form of a streamlined hydrodynamic profile installed evenly around the stator of a reversible hydraulic turbine turbine and integrated cantilever into the inner well, while the suction-suction pipe is led out through an opening in the wall of the outer well into a pressure tunnel with a water outlet-water inlet of the lower pool, and a water inlet-water outlet the upper basin includes gobies radially installed between the inner and outer reinforced concrete wells. As a result, the design and construction of the PSP is simplified.
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