Capacity
At 72 feet (22 m) high, Wheeler is the shortest of TVA's Tennessee River dams. The dam is 6,342 feet (1,933 m) long at its crest, and has an electrical generating capacity of 411,800 kilowatts. The dam's spillway is equipped with 60 tainter gates with a combined discharge of 542,000 cubic feet per second (15,300 m3/s). The dam's reservoir has 1,027 miles (1,653 km) of shoreline and 67,070 acres (27,140 ha) of water surface, and has a flood-storage capacity of 326,484 acre feet (402,712,000 m3).
Wheeler Dam has two locks for river traffic, the main lock being 110 by 600 feet (34 by 180 m) and an auxiliary lock measuring 60 by 360 feet (18 by 110 m). The locks raise and lower vessels up to 52 feet (16 m) between Wheeler and Wilson lakes.
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