“Trebinje II” HPP is located on the Trebisnjica River, approximately 4 km upstream of the City of Trebinje and utilizes water coming from the HE “Trebinje I” HPP and the Sušica River, Trebišnjica River’s tributary.
On the left-hand side, close to the Gorica dam, had been built two inlet structures for inlet tunnels. Out of the two envisaged tunnels, only one, leading to the HE Dubrovnik HPP had been built.
HE had been commissioned in 1981.
The most important characteristics of the “Trebinje II” HPP with the appurtenant structures are given below:
- Reservoir
| Total volume | 15.74 million m3 |
| Active volume | 9.60 million m3 |
| Maximum operating water level | 295.00 m a.s.l. |
| Regular water level | 292.50 m a.s.l. |
| Mean inflow | 82.9 m3/s |
- Dam
| Type | concrete, gravity |
| Height | 33.5 m |
| Spillway | 2 spillway fields |
| Number of bottom outlets | 2 |
- HPP
| Type | diversion |
| Maximum gross head | 19.5 m |
| Installed discharge | 45 m3/s |
| Installed power | 8 MW |
| Annual electricity generation | 14.5 GWh |
| Number of units | 1 |
| Turbine type | Kaplan |
(Source: HET Web site)
