Grand Coulee Dam is located in Washington State, United States (North America). The gravity dam was completed in 1942 (80 years old).
Grand Coulee Dam is the largest hydroelectric dam in North America by installed capacity. The gravity dam has an installed capacity of 6,809MW. Grand Coulee Dam stands 168 meters tall and can impound up to 12 billion m3 of water. Its structural volume is 9.16 million m3.