Vajiralongkorn
West
Capacity
8,860 hm³
Coordinates
14.798°N, 98.593°E
Operator
Electricity Generating Authority of Thailand (EGAT)
97.5% full
Current fill
97.5%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-day trend
→stable
Drought context
Rain over the last three months · 1 October 2026
Moderately wet
In the three months to 1 October 2026 the area around Vajiralongkorn had more rain than normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +1.31). Rain, not storage. Thailand drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 8,860 hm³ |
| Usable capacity | 8,860 hm³ |
| Primary use | Hydroelectric |
| Operator | Electricity Generating Authority of Thailand (EGAT) |
| Province | West |
| River basin |
About Vajiralongkorn
As of October 20, 2026, Vajiralongkorn is filled to 97.5% of its total capacity, holding roughly 8,637 hm³ of water out of a maximum 8,860 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Vajiralongkorn — 2 data points between October 19, 2026 and October 20, 2026 — the level has ranged from a low of 97.4% (October 19, 2026) to a high of 97.5% (October 20, 2026).
It is operated by Electricity Generating Authority of Thailand (EGAT) primarily for hydroelectric power.
Key facts
- Current fill level
- 97.5%
- Water stored
- 8,637 hm³
- Total capacity
- 8,860 hm³
- 7-day change
- No change
- Primary use
- Hydroelectric power
- Operator
- Electricity Generating Authority of Thailand (EGAT)
- Coordinates
- 14.798°N, 98.593°E
- Last updated
- October 20, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 20 Oct 2026 | 97.5% | 8,637 |
| 19 Oct 2026 | 97.4% | 8,629 |