Reservoir · Cundinamarca · Colombia · XM
Guavio
96.1% full
Capacity
1,976.13 GWh
Energy stored
1900 GWh
River
Guavio
Coordinates
4.721°N, 73.496°W
Last updated
2026-07-28
Current fill
96.1%vs 7 days ago
-0.2%losing
vs 1 year ago
+40.4%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: 2026-07-28.
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 July 28, 2026, Guavio is filled to 96.1% of its total capacity, holding roughly 1,900 GWh of water out of a maximum 1,976 GWh. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 40.4 points above its level on the same date a year earlier.
Across the readings we hold for Guavio — 2035 data points between January 1, 2021 and July 28, 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
- 96.1%
- Water stored
- 1,900 GWh
- Total capacity
- 1,976 GWh
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▲ 40.4 pts
- Primary use
- Hydroelectric power
- River
- Guavio
- River basin
- Guavio
- Operator
- XM
- Coordinates
- 4.721°N, 73.496°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 28 Jul 2026 | 96.1% | 1,900 |
| 27 Jul 2026 | 96.3% | 1,904 |
| 26 Jul 2026 | 96.6% | 1,908 |
| 25 Jul 2026 | 96.2% | 1,902 |
| 24 Jul 2026 | 96.7% | 1,911 |
| 23 Jul 2026 | 98.5% | 1,947 |
| 22 Jul 2026 | 97.4% | 1,925 |
| 21 Jul 2026 | 97.3% | 1,923 |
| 20 Jul 2026 | 97.3% | 1,923 |
| 19 Jul 2026 | 98.2% | 1,941 |
| 18 Jul 2026 | 98.5% | 1,947 |
| 17 Jul 2026 | 97.3% | 1,922 |
Frequently asked questions
What is the current water level of Guavio?
As of July 28, 2026, Guavio is at 96.1% of its capacity, holding approximately 1,900 GWh of water, according to XM — Operador del Mercado de Energía data.
Is Guavio reservoir full?
Guavio is essentially full, sitting at 96.1% of capacity as of July 28, 2026.
Is the water level at Guavio rising or falling?
The level at Guavio has been broadly stable over the latest week on record (-0.2 points).
How much water can Guavio hold?
Guavio has a total capacity of 1,976 GWh.
Where is Guavio reservoir located?
Guavio is located in Cundinamarca, Colombia, within the Guavio basin (coordinates 4.721°N, 73.496°W).
What is Guavio used for?
Guavio is used primarily for hydroelectric power, and is managed by XM.