Aerial view of Congo River as it passes through the narrows at INGA in a series of rapids. It is here where the world's greatest hydroelectric power project will be built at a cost for the first phase only of 143 million pounds. The entire scheme will cost 642 million pounds and would produce 150 billion kilowatt-hours of electric power per annum. The Congo River which is further up streams is over 14 miles i width is compressed into this narrow gorge at Inga where its waters flow at 1,000,000 cubic feet per second.