The Three Gorges Dam is located in Yichang City, Hubei Province. It is the world's largest hydropower project and clean energy base. The Three Gorges Dam is about 3,335 meters long, 185 meters high, with a total concrete volume of 16.1 million cubic meters and a water storage height of 175 meters. The total investment is 95.5 billion yuan, and 32 hydropower units with a single unit capacity of 700,000 kilowatts are installed, with an installed capacity of 22.4 million kilowatts.