Reservoir · Antioquia · Colombia · XM
Porce III
64.7% full
Capacity
111.98 GWh
Energy stored
73 GWh
River
Porce
Coordinates
6.939°N, 75.138°W
Last updated
2026-07-28
Current fill
64.7%vs 7 days ago
+4.5%gaining
vs 1 year ago
+15.7%year-over-year
7-day trend
↑rising
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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 6.939, -75.138 · Open in Google Maps
About Porce III
As of July 28, 2026, Porce III is filled to 64.7% of its total capacity, holding roughly 73 GWh of water out of a maximum 112 GWh. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 4.5 percentage points, and it is 15.7 points above its level on the same date a year earlier.
Across the readings we hold for Porce III — 2035 data points between January 1, 2021 and July 28, 2026 — the level has ranged from a low of 16.3% (June 3, 2026) to a high of 96.1% (October 22, 2025). On average the reservoir is fullest around November and at its lowest around July.
It is operated by XM primarily for hydroelectric power. It lies within the Porce basin at 6.939°N, 75.138°W.
Key facts
- Current fill level
- 64.7%
- Water stored
- 73 GWh
- Total capacity
- 112 GWh
- 7-day change
- ▲ 4.5 pts
- Year-on-year
- ▲ 15.7 pts
- Primary use
- Hydroelectric power
- River
- Porce
- River basin
- Porce
- Operator
- XM
- Coordinates
- 6.939°N, 75.138°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 28 Jul 2026 | 64.7% | 73 |
| 27 Jul 2026 | 60.2% | 67 |
| 26 Jul 2026 | 54.1% | 61 |
| 25 Jul 2026 | 61.9% | 69 |
| 24 Jul 2026 | 46.5% | 52 |
| 23 Jul 2026 | 40.4% | 45 |
| 22 Jul 2026 | 39.7% | 44 |
| 21 Jul 2026 | 40.1% | 45 |
| 20 Jul 2026 | 36.4% | 41 |
| 19 Jul 2026 | 45.9% | 51 |
| 18 Jul 2026 | 32.9% | 37 |
| 17 Jul 2026 | 38.7% | 43 |
Frequently asked questions
What is the current water level of Porce III?
As of July 28, 2026, Porce III is at 64.7% of its capacity, holding approximately 73 GWh of water, according to XM — Operador del Mercado de Energía data.
Is Porce III reservoir full?
No. As of July 28, 2026, Porce III is within its normal operating range at 64.7% of its capacity, so it is not full.
Is the water level at Porce III rising or falling?
The level at Porce III is rising — it gained 4.5 percentage points over the latest week on record.
How much water can Porce III hold?
Porce III has a total capacity of 112 GWh.
Where is Porce III reservoir located?
Porce III is located in Antioquia, Colombia, within the Porce basin (coordinates 6.939°N, 75.138°W).
What is Porce III used for?
Porce III is used primarily for hydroelectric power, and is managed by XM.