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Hydropower Project of Grand POUBARA - Phase 2 - 120MW
120 MW
Capacity
Location
Gabon
2011
Completion Date
Work scope:
Heightening the dam of Grand Poubara from El.411 to El. 450 reaching a maximum height of 67m;
A 4-passes gated spillway, with gates of 7m high and 7.5m wide;
Heightening of the water intake of Phase 1 with the upper floor at height 450m;
A new water intake tower (15 m x 20 m x 54 m (H)) for Phase 2 with 3 passes;
Conveyance tunnel with a length of 5.3km and a diameter of 5.6m;
A surge tank of 105m high;
Penstock with a length of 350m and a diameter of 5.6m;
A powerhouse with three vertical Francis units and a total capacity of 120MW;
A tailrace channel;
A 225kV Grand Poubara Phase 2 switchyard;
A 225kV transmission lines schemes studies
Services:
Feasibility studies;
Related expertises
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