Reservoir · Cundinamarca · Colombia · XM
Muña
80.3% full
Capacity
54.91 GWh
Energy stored
44 GWh
River
Bogotá
Coordinates
4.522°N, 74.253°W
Last updated
2026-10-28
Current fill
80.3%vs 7 days ago
+17.7 ppgaining
vs 1 year ago
-14.0 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
99%of normal
80.3% full on 2026-10-28, against an average of 80.8% for October across 6 years of readings (-0.5 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Muña 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 +0.28). 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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 4.522°N, 74.253°W · Open in Google Maps
About Muña
As of October 28, 2026, Muña is filled to 80.3% of its total capacity, holding 44.08 GWh of water out of a maximum 54.91 GWh. At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 17.7 percentage points, and it is 14.0 points below its level on the same date a year earlier.
Across the readings we hold for Muña — 1976 data points between May 1, 2021 and October 28, 2026 — the level has ranged from a low of 16.9% (January 25, 2025) to a high of 100.0% (March 22, 2023). On average the reservoir is fullest around June and at its lowest around February.
It is operated by XM primarily for hydroelectric power. It lies within the Bogotá basin at 4.522°N, 74.253°W.
Key facts
- Current fill level
- 80.3% of total capacity
- Water stored
- 44.08 GWh
- Total capacity
- 54.91 GWh
- 7-day change
- ▲ 17.7 pp
- Year-on-year
- ▼ 14.0 pp
- Primary use
- Hydroelectric power
- River basin
- Bogotá
- Operator
- XM
- Coordinates
- 4.522°N, 74.253°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 28 Oct 2026 | 80.3% | 44.08 |
| 27 Oct 2026 | 80.3% | 44.08 |
| 26 Oct 2026 | 70.3% | 38.61 |
| 25 Oct 2026 | 63.7% | 35 |
| 24 Oct 2026 | 61.6% | 33.8 |
| 23 Oct 2026 | 53.9% | 29.61 |
| 22 Oct 2026 | 56.1% | 30.81 |
| 21 Oct 2026 | 62.6% | 34.38 |
| 20 Oct 2026 | 64.2% | 35.27 |
| 19 Oct 2026 | 65.4% | 35.89 |
| 18 Oct 2026 | 64.8% | 35.58 |
| 17 Oct 2026 | 65.9% | 36.2 |