Reservoir · Cauca · Colombia · XM
Salvajina
56.0% full
Capacity
514.42 GWh
Energy stored
288 GWh
River
Cauca
Coordinates
2.856°N, 76.687°W
Last updated
2026-10-27
Current fill
56.0%vs 7 days ago
-0.9 pplosing
vs 1 year ago
+43.4 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
200%of normal
56.0% full on 2026-10-27, against an average of 28.0% for October across 6 years of readings (+28.0 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Salvajina had rain close to 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 −0.52). Rain, not storage. Colombia drought figures →
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: 2026-10-27.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 2.856°N, 76.687°W · Open in Google Maps
About Salvajina
As of October 27, 2026, Salvajina is filled to 56.0% of its total capacity, holding 288.02 GWh of water out of a maximum 514.42 GWh. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.9 pp), and it is 43.4 points above its level on the same date a year earlier.
Across the readings we hold for Salvajina — 2126 data points between January 1, 2021 and October 27, 2026 — the level has ranged from a low of 9.6% (November 1, 2025) to a high of 99.0% (July 23, 2021). 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
- 56.0% of total capacity
- Water stored
- 288.02 GWh
- Total capacity
- 514.42 GWh
- 7-day change
- ▼ 0.9 pp
- Year-on-year
- ▲ 43.4 pp
- Primary use
- Hydroelectric power
- River basin
- Cauca
- Operator
- XM
- Coordinates
- 2.856°N, 76.687°W
- Last updated
- October 27, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 27 Oct 2026 | 56.0% | 288.02 |
| 26 Oct 2026 | 55.4% | 284.91 |
| 25 Oct 2026 | 55.5% | 285.42 |
| 24 Oct 2026 | 55.6% | 285.94 |
| 23 Oct 2026 | 55.8% | 287.24 |
| 22 Oct 2026 | 56.2% | 289.32 |
| 21 Oct 2026 | 56.6% | 291.15 |
| 20 Oct 2026 | 56.9% | 292.58 |
| 19 Oct 2026 | 57.2% | 294.28 |
| 18 Oct 2026 | 57.6% | 296.25 |
| 17 Oct 2026 | 57.9% | 297.82 |
| 16 Oct 2026 | 58.3% | 299.66 |