Covering an area of 8,502 km2, Lake Volta in the West African country of Ghana is the size of the island of Corsica – and the largest man-made reservoir on Earth. At its southernmost end, this enormous lake is harnessed by the Akosombo Dam. The hydroelectric power from the dam supplies the majority of Ghana’s electricity. From here, power is transmitted and distributed throughout the country on high- and medium-voltage power lines, covering hundreds of kilometers. Many of these lines are no longer state-of-the-art, however, and Ghana’s two major energy providers estimate that some 27 percent of all generated power is being lost as a result. By comparison, the loss is only two to three percent in Western Europe.
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