The hydropower is a qualified and renewable energy. Being environment friendly and low-cost, the hydropower has advantages in flooding control, irrigation water supply and channel improvement, etc. Since 19th century, hydropower stations have been built to provide energy for industry. China has constructed the biggest hydropower station in the Three Gorges region with the total capacity of more than 20 million kilowatts.
CEIEC suggests the clients to build hydropower station in the area with adequate water resource to replace the thermal power with safe and clean hydropower, so the emissions of sulfur dioxide and greenhouse gas could be reduced.