| Project Name | Houay Lamphan Gnai |
| Status | Operational |
| River | Houay Lamphan |
| Sub-basin | Xekong tributary |
| COD | 2015 |
| Capacity (MW) | 84.8 |
| Annual Gen. (GWh) | 320 |
| Dam Type | Clay-core rockfill dam |
| Height (m) | 75 |
| Turbine Type | Pelton |
| Turbine Configuration | 2 × 44 MW |
| Spillway Type | Clay-core rockfill dam with 322 m spillway |
| Owner & Shareholders | EDL-Gen 100% |
| Customer | EDL |
| Website | https://edlgen.com.la/project/houaylamphanhgnai-hydro-power-plant/?lang=en |