Reservoir · Cundinamarca · Colombia · XM
Muña
85.3% full
Capacity
54.91 GWh
Energy stored
47 GWh
River
Bogotá
Coordinates
4.522°N, 74.253°W
Last updated
2026-09-09
Current fill
85.3%vs 7 days ago
-5.0%losing
vs 1 year ago
-13.0%year-over-year
7-day trend
↓falling
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. 4.522, -74.253 · Open in Google Maps
About Muña
As of September 9, 2026, Muña is filled to 85.3% of its total capacity, holding roughly 47 GWh of water out of a maximum 55 GWh. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 5.0 percentage points, and it is 13.0 points below its level on the same date a year earlier.
Across the readings we hold for Muña — 2078 data points between January 1, 2021 and September 9, 2026 — the level has ranged from a low of 16.9% (January 25, 2025) to a high of 102.6% (June 15, 2021). On average the reservoir is fullest around June and at its lowest around January.
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
- 85.3%
- Water stored
- 47 GWh
- Total capacity
- 55 GWh
- 7-day change
- ▼ 5.0 pts
- Year-on-year
- ▼ 13.0 pts
- Primary use
- Hydroelectric power
- River
- Bogotá
- River basin
- Bogotá
- Operator
- XM
- Coordinates
- 4.522°N, 74.253°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 9 Sep 2026 | 85.3% | 47 |
| 8 Sep 2026 | 85.3% | 47 |
| 7 Sep 2026 | 86.5% | 47 |
| 6 Sep 2026 | 90.9% | 50 |
| 5 Sep 2026 | 95.5% | 52 |
| 4 Sep 2026 | 98.3% | 54 |
| 3 Sep 2026 | 95.5% | 52 |
| 2 Sep 2026 | 90.3% | 50 |
| 1 Sep 2026 | 89.8% | 49 |
| 31 Aug 2026 | 90.9% | 50 |
| 30 Aug 2026 | 90.9% | 50 |
| 29 Aug 2026 | 87.6% | 48 |