Capacity
Kentucky Dam is 206 feet (63 m) high, although over half the dam is submerged by water. At 8,422 feet (2,567 m) long, Kentucky Dam is the longest dam on the Tennessee River and the longest in the TVA system. The dam has a generating capacity of 223,100 kilowatts, and its 24-bay spillway has a total discharge of 1,050,000 cubic feet per second (30,000 m3/s). Kentucky Lake's 2,064 miles (3,322 km) of shoreline, 160,300 acres (64,900 ha) of water surface, and 4,008,000 acre feet (4,944 Gl) of flood storage are the most of any lake in the TVA system.
Kentucky Dam is serviced by a 600-by-110-foot (180 by 34 m) navigation lock, soon to be supplemented by a larger 1,200-by-110-foot (370 by 34 m) lock which will be better able to accommodate the long barge tows which navigate the river. A large industrial complex of chemical plants has developed below the dam near Calvert City due to the convenient barge transportation and inexpensive TVA electricity. The locks' lift raises and lowers vessels up to 75 feet (23 m) between Kentucky Lake and the lower part of the river.
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