Reservoir · Antioquia · Colombia · XM
El Peñol–Guatapé
78.6% full
Capacity
4,153.92 GWh
Energy stored
3265 GWh
River
Nare
Coordinates
6.234°N, 75.162°W
Last updated
2026-10-26
Current fill
78.6%vs 7 days ago
+0.6 ppgaining
vs 1 year ago
-22.1 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
91%of normal
78.6% full on 2026-10-26, against an average of 86.4% for October across 6 years of readings (-7.8 points).
Rain over the last three months · 11 October 2026
Severely dry
In the three months to 11 October 2026 the area around El Peñol–Guatapé had far less rain than normal, a shortfall seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.71). 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: 2026-10-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 6.234°N, 75.162°W · Open in Google Maps
About El Peñol–Guatapé
As of October 26, 2026, El Peñol–Guatapé is filled to 78.6% of its total capacity, holding 3,265 GWh of water out of a maximum 4,154 GWh. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.6 pp), and it is 22.1 points below its level on the same date a year earlier.
Across the readings we hold for El Peñol–Guatapé — 2125 data points between January 1, 2021 and October 26, 2026 — the level has ranged from a low of 32.1% (April 20, 2024) to a high of 104.3% (November 13, 2022). On average the reservoir is fullest around November and at its lowest around April.
It is operated by XM primarily for hydroelectric power. It lies within the Nare basin at 6.234°N, 75.162°W.
Key facts
- Current fill level
- 78.6% of total capacity
- Water stored
- 3,265 GWh
- Total capacity
- 4,154 GWh
- 7-day change
- ▲ 0.6 pp
- Year-on-year
- ▼ 22.1 pp
- Primary use
- Hydroelectric power
- River basin
- Nare
- Operator
- XM
- Coordinates
- 6.234°N, 75.162°W
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 26 Oct 2026 | 78.6% | 3,265 |
| 25 Oct 2026 | 78.5% | 3,263 |
| 24 Oct 2026 | 78.4% | 3,256 |
| 23 Oct 2026 | 78.3% | 3,252 |
| 22 Oct 2026 | 78.4% | 3,256 |
| 21 Oct 2026 | 78.5% | 3,260 |
| 20 Oct 2026 | 78.2% | 3,249 |
| 19 Oct 2026 | 78.0% | 3,242 |
| 18 Oct 2026 | 78.1% | 3,242 |
| 17 Oct 2026 | 78.0% | 3,240 |
| 16 Oct 2026 | 77.9% | 3,237 |
| 15 Oct 2026 | 77.8% | 3,232 |