| Gezhen Dam | |
| Location Map: | Hainan#China |
| Location Map Caption: | Location of Gezhen Dam |
| Coordinates: | 19.1797°N 108.9661°W |
| Country: | China |
| Status: | O |
| Construction Began: | 2007 |
| Opening: | 2009 |
| Owner: | Huaneng Hainan Power Inc |
| Dam Type: | Gravity/Embankment |
| Dam Height: | 340NaN0 |
| Dam Length: | 10920NaN0 |
| Dam Volume: | 4600000NaN0 (concrete gravity dam) |
| Dam Elevation Crest: | 58.50NaN0 |
| Dam Crosses: | Changhua River |
| Spillway Type: | 12 gates |
| Res Capacity Total: | 1460000000NaN0[1] |
| Res Catchment: | 39970NaN0 |
| Res Surface: | 9.040NaN0 |
| Plant Hydraulic Head: | 22.50NaN0 |
| Plant Commission: | 2009 |
| Plant Turbines: | 2 x 40 MW Kaplan-type |
| Plant Capacity: | 80 MW |
The Gezhen Dam is a multi-purpose dam on the Changhua River in Hainan Province, China. It is located 340NaN0 east of Dongfang. The dam serves mainly to provide run-of-the-river hydroelectric power and to supply water for irrigation. The dam's power plant has an installed capacity of 80 MW while it is designed to provide water for the irrigation of 86670NaN0. Construction began in 2007, the reservoir began to fill in 2009 and the project was complete in December 2009.[2] [3] [4] [5] [6]