Aswan Dam improved the efficiency and the extension of the Old Aswan Hydropower stations by regulating upstream flows. Lake Nasser flooded much of lower Nubia and 100,000 to 120,000 people were resettled in Sudan and Egypt. In Sudan, 50,000 to 70,000 Sudanese Nubians were moved from the old town of Wadi Halfa and its surrounding villages. Some were moved to a newly created settlement on the shore of Lake Nasser called New Wadi Halfa, and some were resettled approximately 700 kilometres south to the semi-arid Butana plain near the town of Khashm el-Girba up the Atbara River. The climate there had a
Toktogul Dam day. Toktogul Dam Toktogul Dam is a hydroelectric and irrigation dam on the Naryn River in the Jalal-Abad Province of Kyrgyzstan. It is concrete gravity dam with height of and length of . It is a part of the Naryn-Syr Darya cascade. It is named after Toktogul Satilganov. The Toktogul Hydroelectric Station has installed capacity of 1,200 MW, which makes it the largest power plant in the country. It has four turbines with capacity of 300 MW each. Toktogul Reservoir (, ; ) is the largest of the reservoirs on the path of the Naryn River, a northern tributary of