Reservoir · Antioquia · Colombia · XM
Troneras
51.1% full
Capacity
63.93 GWh
Energy stored
33 GWh
River
Guadalupe
Coordinates
6.756°N, 75.250°W
Last updated
2026-07-28
Current fill
51.1%vs 7 days ago
+10.1%gaining
vs 1 year ago
-16.8%year-over-year
7-day trend
↑rising
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. 6.756, -75.250 · Open in Google Maps
About Troneras
As of July 28, 2026, Troneras is filled to 51.1% of its total capacity, holding roughly 33 GWh of water out of a maximum 64 GWh. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 10.1 percentage points, and it is 16.8 points below its level on the same date a year earlier.
Across the readings we hold for Troneras — 2035 data points between January 1, 2021 and July 28, 2026 — the level has ranged from a low of 2.7% (February 24, 2021) to a high of 105.0% (January 11, 2021). On average the reservoir is fullest around July and at its lowest around February.
It is operated by XM primarily for hydroelectric power. It lies within the Guadalupe basin at 6.756°N, 75.250°W.
Key facts
- Current fill level
- 51.1%
- Water stored
- 33 GWh
- Total capacity
- 64 GWh
- 7-day change
- ▲ 10.1 pts
- Year-on-year
- ▼ 16.8 pts
- Primary use
- Hydroelectric power
- River
- Guadalupe
- River basin
- Guadalupe
- Operator
- XM
- Coordinates
- 6.756°N, 75.250°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 28 Jul 2026 | 51.1% | 33 |
| 27 Jul 2026 | 41.0% | 26 |
| 26 Jul 2026 | 54.2% | 35 |
| 25 Jul 2026 | 67.1% | 43 |
| 24 Jul 2026 | 64.2% | 41 |
| 23 Jul 2026 | 55.4% | 35 |
| 22 Jul 2026 | 61.0% | 39 |
| 21 Jul 2026 | 75.5% | 48 |
| 20 Jul 2026 | 89.1% | 57 |
| 19 Jul 2026 | 71.5% | 46 |
| 18 Jul 2026 | 62.0% | 40 |
| 17 Jul 2026 | 74.9% | 48 |
Frequently asked questions
What is the current water level of Troneras?
As of July 28, 2026, Troneras is at 51.1% of its capacity, holding approximately 33 GWh of water, according to XM — Operador del Mercado de Energía data.
Is Troneras reservoir full?
No. As of July 28, 2026, Troneras is within its normal operating range at 51.1% of its capacity, so it is not full.
Is the water level at Troneras rising or falling?
The level at Troneras is rising — it gained 10.1 percentage points over the latest week on record.
How much water can Troneras hold?
Troneras has a total capacity of 64 GWh.
Where is Troneras reservoir located?
Troneras is located in Antioquia, Colombia, within the Guadalupe basin (coordinates 6.756°N, 75.250°W).
What is Troneras used for?
Troneras is used primarily for hydroelectric power, and is managed by XM.