Number by catalogue:  Michel: BL105   Yvert: BF105   Gibbons: MS686  

Perforation type: 13 ½x13 ½

Subject:

5 GEL.

A bird's eye view of the dam

Additional:

The Inguri Hydroelectric Power Station (Ingur Hydroelectric Power Station, Inguri Hydroelectric Power Station), 1978 year of commissioning, is the largest hydroelectric power station in the Caucasus. It is located on the Inguri River on the administrative border of Georgia near the town of Jvari.

The capacity of the hydroelectric power station is 1,300 MW, the average annual output is 4,430 million kWh. The hydroelectric power station building contains five hydroelectric units with vertical radial-axial turbines manufactured by Turboatom, operating at a design pressure of 325 m (maximum pressure is 410 m), the maximum flow through each turbine is 90 m³/s. The turbines drive hydrogenerators with a capacity of 260 MW each. The pressure structures of the hydroelectric power station form the Jvari (Inguri) reservoir with a total volume of 1,110 million m³ and a useful volume of 676 million m³.

Size (of sheet, booklet) mm: 78x51

Topics: Hydroelectricity