| Project Name | Xekong 4B (DS) |
| Status | Under Construction |
| River | Xekong |
| Sub-basin | Xekong |
| COD | Planned for 2033 |
| Capacity (MW) | 175 |
| Annual Gen. (GWh) | 1643 |
| Dam Type | 117 m-high Roller-Compacted Concrete (RCC) dam |
| Spillway Type | 4-bay gated spillway |
| Owner & Shareholders | Xekong 4 Power Co. Ltd. (60% RATCH Group, 20% B.Grimm Power, 20% Lao World Engineering & Construction) |
| Customer | Electricity Generating Authority of Thailand (EGAT) |
| Website | https://xekong4power.com/ |