Stopping Large Inga

See also: Inga

The stopping Grand Inga is a hydroelectric project of stopping on the river Congo in Democratic republic of Congo. It would be established near the site of the Chutes of Inga in the province of the Low-Congo, to about thirty kilometers in the north of the town of Matadi. Two stoppings, Inga I and Inga II exist already on the site.

There exists another project for a third stopping, called project Inga III, which would benefit from the site of the stoppings Inga I and Inga II.

The project Grand Inga is of another nature, since requiring important work and investments complementary to Inga I, II, and III.

Inga I, II, and III

Inga I, II, and III were or should be contruits out of Right Bank of the river, benefitting from Nkokolo, a valley dries old bed of the river. Its banks reached, before underwater setting, 150 meters in height on the level of the falls of Inga, parallel with the site. It is used to feed out of water Inga I and Inga II, possibly Inga III.

A stopping, the dam Shongo, made it possible to put Nkokolo underwater. Water is collected with 10 kilometers upstream site of the stopping Inga II, at an altitude of 125 meters, to reach 115 meters on the level of the level feeding the stoppings Inga I and Inga II. A channel a length of a few hundred meters, located at the west of the stopping Inga I (45 meters of made uneven, 115-70 meters), feeds the stopping Inga II (50 meters of made uneven, 115-65 meters). A channel dug upstream of the two other stoppings would make it possible to establish the stopping Inga III below the two others, and thus to profit from uneven of 55 meters (115-60 meters). The 3 stoppings would develop a total power thus of: 6275 MW with full power (Inga I and II currently function to approximately 20% of their capacity, and Inga III does not exist yet).

Large Inga

The stopping Grand Inga would allow as for him the production of some: 39000 MW. The project envisages the construction of a stopping upstream of the hydrant of Nkokolo, which would make it possible to generate a water reserve at an altitude of 200 meters (against 125 meters currently at the same place) in the valley Bundi, which itself would be barred a few kilometers further by a stopping on the level of its confluence with the Congo (currently with 45 meters of altitude). Between the water reserve and the river, from now on 155 meters of uneven on the second most powerful river of the world. A power station built here would make it possible to produce: 39000 MW, are the double of the potential of the Barrage of the Three-Throats on the Yangzi Jiang. For an investment and ecological costs appreciably less than with the Three-Throats, Aswan or Itaipu.

In fine , the total of the complex of the Inga dams (sometimes called itself " Large Inga ") would include/understand 4 production units, for a total power of: 45275 MW distributed as follows:

  • Inga I (currently functioning to 20% of its capacities, 45 meters of fall): 351 MW
  • Inga II (currently functioning to 20% of its capacities, 50 meters of fall): : 1424 MW
  • Inga III (in project, 55 meters of fall): : 4500 MW
  • Large Inga/central of Bundi (in project, 155 meters of fall): : 39000 MW

Visualization of the project of the stopping Large Inga

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