Reservoir · Cauca · Colombia · XM
Salvajina
72.5% full
Capacity
514.42 GWh
Energy stored
373 GWh
River
Cauca
Coordinates
2.856°N, 76.687°W
Last updated
2026-09-09
Current fill
72.5%vs 7 days ago
-2.4%losing
vs 1 year ago
+21.3%year-over-year
7-day trend
↓falling
Data source: XM — Operador del Mercado de Energía — daily useful-energy storage (VoluUtilDiarEner) and useful capacity (CapaUtilDiarEner). Colombia is a hydropower system, so storage is reported as energy (GWh), not water volume; fill % is useful energy ÷ useful capacity. Last reading: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 2.856, -76.687 · Open in Google Maps
About Salvajina
As of September 9, 2026, Salvajina is filled to 72.5% of its total capacity, holding roughly 373 GWh of water out of a maximum 514 GWh. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 2.4 percentage points, and it is 21.3 points above its level on the same date a year earlier.
Across the readings we hold for Salvajina — 2078 data points between January 1, 2021 and September 9, 2026 — the level has ranged from a low of 5.3% (October 13, 2022) to a high of 97.7% (July 4, 2025). On average the reservoir is fullest around July and at its lowest around October.
It is operated by XM primarily for hydroelectric power. It lies within the Cauca basin at 2.856°N, 76.687°W.
Key facts
- Current fill level
- 72.5%
- Water stored
- 373 GWh
- Total capacity
- 514 GWh
- 7-day change
- ▼ 2.4 pts
- Year-on-year
- ▲ 21.3 pts
- Primary use
- Hydroelectric power
- River
- Cauca
- River basin
- Cauca
- Operator
- XM
- Coordinates
- 2.856°N, 76.687°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 9 Sep 2026 | 72.5% | 373 |
| 8 Sep 2026 | 73.0% | 375 |
| 7 Sep 2026 | 73.4% | 378 |
| 6 Sep 2026 | 74.0% | 381 |
| 5 Sep 2026 | 74.4% | 383 |
| 4 Sep 2026 | 74.7% | 384 |
| 3 Sep 2026 | 74.9% | 385 |
| 2 Sep 2026 | 74.9% | 385 |
| 1 Sep 2026 | 75.2% | 387 |
| 31 Aug 2026 | 75.4% | 388 |
| 30 Aug 2026 | 75.3% | 387 |
| 29 Aug 2026 | 75.3% | 387 |