Reservoir · Antioquia · Colombia · XM
El Peñol–Guatapé
85.9% full
Capacity
4,153.92 GWh
Energy stored
3570 GWh
River
Nare
Coordinates
6.234°N, 75.162°W
Last updated
2026-09-09
Current fill
85.9%vs 7 days ago
-0.5%losing
vs 1 year ago
-8.3%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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 6.234, -75.162 · Open in Google Maps
About El Peñol–Guatapé
As of September 9, 2026, El Peñol–Guatapé is filled to 85.9% of its total capacity, holding roughly 3,570 GWh of water out of a maximum 4,154 GWh. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.5 pts), and it is 8.3 points below its level on the same date a year earlier.
Across the readings we hold for El Peñol–Guatapé — 2078 data points between January 1, 2021 and September 9, 2026 — the level has ranged from a low of 31.8% (April 20, 2024) to a high of 103.2% (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
- 85.9%
- Water stored
- 3,570 GWh
- Total capacity
- 4,154 GWh
- 7-day change
- ▼ 0.5 pts
- Year-on-year
- ▼ 8.3 pts
- Primary use
- Hydroelectric power
- River
- Nare
- River basin
- Nare
- Operator
- XM
- Coordinates
- 6.234°N, 75.162°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 9 Sep 2026 | 85.9% | 3,570 |
| 8 Sep 2026 | 86.3% | 3,586 |
| 7 Sep 2026 | 86.7% | 3,602 |
| 6 Sep 2026 | 87.0% | 3,612 |
| 5 Sep 2026 | 86.8% | 3,607 |
| 4 Sep 2026 | 86.7% | 3,602 |
| 3 Sep 2026 | 86.6% | 3,598 |
| 2 Sep 2026 | 86.4% | 3,591 |
| 1 Sep 2026 | 86.1% | 3,577 |
| 31 Aug 2026 | 85.5% | 3,551 |
| 30 Aug 2026 | 84.8% | 3,521 |
| 29 Aug 2026 | 84.5% | 3,509 |