Kainji Dam is a dam across the Niger River in Niger State of Central Nigeria.[1] Construction of the dam was carried out by Impregilo (a consortium of Italian Civil Engineering Contractors) to designs by Joint Consultants, Balfour Beatty and Nedeco, and began in 1964 to be completed in 1968. The total cost was estimated at US$209 million (equivalent to about US$1.4 billion in 2021 dollars[2]), with one-quarter of this amount used to resettle people displaced by the construction of the dam and its reservoir, Kainji Lake.

The dam was designed to have a generating capacity of 960 megawatts (1,290,000 hp); however, only 8 of its 12 turbines have been installed, reducing the capacity to 760 megawatts (1,020,000 hp).[4] The dam generates electricity for all the large cities in Nigeria. Some of the electricity is sold to the neighbouring country of Niger. In addition, occasional droughts have made the Niger's water flow unpredictable, diminishing the dam's electrical output.

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