Located on the Yangtze River north of Yichang City, Gezhouba Water Conservancy Project is the biggest dam on the Yangtze River. It is also the largest hydroelectric power station in the country. The first phase of the project started in 1970, and in 1988 the second phase of the project finished. The Gezhouba dam is 2,606 meters long, and 70 meters high, with a capacity of 271.5 kilo watt.