The Three Gorges Project dam is located in the Xiling gorge of Yangtze River Three Dou Ping, from the Gezhouba Dam 38 kilometers. The "level of development, once completed, impoundment, continuous immigration." The scheme. The dam is 185 meters high, normal water level 175 meters, the total capacity of 39300000000 cubic meters, flood control capacity of 22150000000 cubic meters. Power plant installed capacity of 26 units, the total capacity of 1826 kilowatts, the annual power generation 84680000000 kwh. The total period of 17 years, 9 years after the first start generating units. Based on 1990 prices, a total investment of 57000000000 yuan wei. So called "the world's largest water conservancy project."