How Large Is the Grand Coulee Dam In Washington State and How Much Electricity Does It Produce?
The Grand Coulee Dam in Washington State is 550 feet (168 m) tall and almost 1 mile (1.6 km) long, including the third powerhouse. Built of concrete on the Columbia River in the northeastern corner of the state, its three power plants generate more electricity than any other dam in the United States. The Grand Coulee Dam also is
