Reservoir · Antioquia · Colombia · XM
Porce II
51.4% full
Capacity
124.03 GWh
Energy stored
64 GWh
River
Porce
Coordinates
6.805°N, 75.149°W
Last updated
2026-07-28
Current fill
51.4%vs 7 days ago
-13.4%losing
vs 1 year ago
+12.7%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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 6.805, -75.149 · Open in Google Maps
About Porce II
As of July 28, 2026, Porce II is filled to 51.4% of its total capacity, holding roughly 64 GWh of water out of a maximum 124 GWh. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 13.4 percentage points, and it is 12.7 points above its level on the same date a year earlier.
Across the readings we hold for Porce II — 2035 data points between January 1, 2021 and July 28, 2026 — the level has ranged from a low of 13.8% (September 21, 2024) to a high of 94.6% (May 6, 2025). On average the reservoir is fullest around October and at its lowest around February.
It is operated by XM primarily for hydroelectric power. It lies within the Porce basin at 6.805°N, 75.149°W.
Key facts
- Current fill level
- 51.4%
- Water stored
- 64 GWh
- Total capacity
- 124 GWh
- 7-day change
- ▼ 13.4 pts
- Year-on-year
- ▲ 12.7 pts
- Primary use
- Hydroelectric power
- River
- Porce
- River basin
- Porce
- Operator
- XM
- Coordinates
- 6.805°N, 75.149°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 28 Jul 2026 | 51.4% | 64 |
| 27 Jul 2026 | 64.8% | 80 |
| 26 Jul 2026 | 62.1% | 77 |
| 25 Jul 2026 | 54.7% | 68 |
| 24 Jul 2026 | 71.1% | 88 |
| 23 Jul 2026 | 59.9% | 74 |
| 22 Jul 2026 | 48.4% | 60 |
| 21 Jul 2026 | 42.1% | 52 |
| 20 Jul 2026 | 33.7% | 42 |
| 19 Jul 2026 | 24.4% | 30 |
| 18 Jul 2026 | 42.6% | 53 |
| 17 Jul 2026 | 36.1% | 45 |
Frequently asked questions
What is the current water level of Porce II?
As of July 28, 2026, Porce II is at 51.4% of its capacity, holding approximately 64 GWh of water, according to XM — Operador del Mercado de Energía data.
Is Porce II reservoir full?
No. As of July 28, 2026, Porce II is within its normal operating range at 51.4% of its capacity, so it is not full.
Is the water level at Porce II rising or falling?
The level at Porce II is falling — it dropped 13.4 percentage points over the latest week on record.
How much water can Porce II hold?
Porce II has a total capacity of 124 GWh.
Where is Porce II reservoir located?
Porce II is located in Antioquia, Colombia, within the Porce basin (coordinates 6.805°N, 75.149°W).
What is Porce II used for?
Porce II is used primarily for hydroelectric power, and is managed by XM.