| Oskemen Hydro Power Plant | |
| Country: | Kazakhstan |
| Location: | Oskemen |
| Coordinates: | 49.8997°N 82.7183°W |
| Owner: | AES |
| Status: | O |
| Th Fuel Primary: | Hydropower |
| Ps Units Operational: | 4 |
| Ps Electrical Capacity: | 367.8 MW |
| Commissioned: | 1952, 1959 |
The Oskemen Hydroelectric Power Plant (Өскемен ГЭС, Óskemen GES), also known as Ust-Kamenogorsk Hydroelectric Power Plant (Russian: Усть-Каменогорская ГЭС), is a hydroelectric power plant on the Irtysh River near Oskemen in East Kazakhstan Province of Kazakhstan. It has 4 individual turbines[1] with a nominal output of 82.8 MW (3 were renewed - 95 MW) with a generating capacity of 367.8 MW and generates 1.58 billion kilowatt-hours of electricity per year.[2] It is owned and operated by AES Corporation.