Reservoir · Cundinamarca · Colombia · XM
Guavio
97.2% full
Capacity
1,977.93 GWh
Energy stored
1923 GWh
River
Guavio
Coordinates
4.721°N, 73.496°W
Last updated
2026-09-09
Current fill
97.2%vs 7 days ago
-1.2%losing
vs 1 year ago
+26.5%year-over-year
7-day trend
→stable
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. 4.721, -73.496 · Open in Google Maps
About Guavio
As of September 9, 2026, Guavio is filled to 97.2% of its total capacity, holding roughly 1,923 GWh of water out of a maximum 1,978 GWh. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-1.2 pts), and it is 26.5 points above its level on the same date a year earlier.
Across the readings we hold for Guavio — 2078 data points between January 1, 2021 and September 9, 2026 — the level has ranged from a low of 2.9% (April 1, 2024) to a high of 105.0% (June 20, 2021). On average the reservoir is fullest around August and at its lowest around April.
It is operated by XM primarily for hydroelectric power. It lies within the Guavio basin at 4.721°N, 73.496°W.
Key facts
- Current fill level
- 97.2%
- Water stored
- 1,923 GWh
- Total capacity
- 1,978 GWh
- 7-day change
- ▼ 1.2 pts
- Year-on-year
- ▲ 26.5 pts
- Primary use
- Hydroelectric power
- River
- Guavio
- River basin
- Guavio
- Operator
- XM
- Coordinates
- 4.721°N, 73.496°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 9 Sep 2026 | 97.2% | 1,923 |
| 8 Sep 2026 | 97.5% | 1,928 |
| 7 Sep 2026 | 97.8% | 1,935 |
| 6 Sep 2026 | 98.1% | 1,941 |
| 5 Sep 2026 | 98.2% | 1,943 |
| 4 Sep 2026 | 98.4% | 1,946 |
| 3 Sep 2026 | 98.1% | 1,940 |
| 2 Sep 2026 | 98.4% | 1,946 |
| 1 Sep 2026 | 98.5% | 1,949 |
| 31 Aug 2026 | 98.6% | 1,950 |
| 30 Aug 2026 | 98.5% | 1,949 |
| 29 Aug 2026 | 98.3% | 1,945 |