| Project Name | Theun-Hinboun Expansion Project |
| Status | Operational |
| River | Nam Gnouang |
| Sub-basin | Gnouang diversion |
| COD | 2013 |
| Capacity (MW) | 222 |
| Annual Gen. (GWh) | 1200 |
| Dam Type | Diversion scheme |
| Height (m) | 10 |
| Turbine Type | Francis |
| Turbine Configuration | 2 × 111 MW |
| Spillway Type | Controlled gates |
| Spillway Cap. (m³/s) | 4000 |
| Owner & Shareholders | Snep 70%, EDL-Gen 30% |
| Customer | EGAT & Électricité du Laos |
| Website | https://www.theunhinboun.com/ |