Reservoir · Antioquia · Colombia · XM
Punchiná
81.7% full
Capacity
65.94 GWh
Energy stored
54 GWh
River
San Carlos
Coordinates
6.229°N, 74.865°W
Last updated
2026-10-12
Current fill
81.7%vs 7 days ago
+23.1%gaining
vs 1 year ago
+21.1%year-over-year
7-day trend
↑rising
Drought context
Storage vs October average
128%of normal
81.7% full on 2026-10-12, against an average of 63.6% for October across 6 years of readings (+18.1 points).
Rain over the last three months · 21 September 2026
Extremely dry
In the three months to 21 September 2026 the area around Punchiná had extremely little rain for the season, a shortfall seen about one year in forty. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −3.12). 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: 2026-10-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 6.229, -74.865 · Open in Google Maps
About Punchiná
As of October 12, 2026, Punchiná is filled to 81.7% of its total capacity, holding roughly 54 GWh of water out of a maximum 66 GWh. At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 23.1 percentage points, and it is 21.1 points above its level on the same date a year earlier.
Across the readings we hold for Punchiná — 2111 data points between January 1, 2021 and October 12, 2026 — the level has ranged from a low of 0.8% (May 16, 2024) to a high of 105.0% (October 26, 2021). On average the reservoir is fullest around October and at its lowest around April.
It is operated by XM primarily for hydroelectric power. It lies within the San Carlos basin at 6.229°N, 74.865°W.
Key facts
- Current fill level
- 81.7%
- Water stored
- 54 GWh
- Total capacity
- 66 GWh
- 7-day change
- ▲ 23.1 pts
- Year-on-year
- ▲ 21.1 pts
- Primary use
- Hydroelectric power
- River
- San Carlos
- River basin
- San Carlos
- Operator
- XM
- Coordinates
- 6.229°N, 74.865°W
- Last updated
- October 12, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 12 Oct 2026 | 81.7% | 54 |
| 11 Oct 2026 | 88.8% | 59 |
| 10 Oct 2026 | 71.8% | 47 |
| 9 Oct 2026 | 44.3% | 29 |
| 8 Oct 2026 | 15.7% | 10 |
| 7 Oct 2026 | 13.6% | 9 |
| 6 Oct 2026 | 43.0% | 28 |
| 5 Oct 2026 | 58.6% | 39 |
| 4 Oct 2026 | 73.3% | 48 |
| 3 Oct 2026 | 55.6% | 37 |
| 2 Oct 2026 | 28.0% | 18 |
| 1 Oct 2026 | 41.0% | 27 |