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Reservoir · Antioquia · Colombia · XM

Porce II

67.2% full

Capacity

124.14 GWh

Energy stored

83 GWh

River

Porce

Coordinates

6.805°N, 75.149°W

Last updated

2026-10-14

Current fill

67.2%
Normal

vs 7 days ago

+4.3%

gaining

vs 1 year ago

-21.2%

year-over-year

7-day trend

↑

rising

Drought context

Storage vs October average

108%of normal

67.2% full on 2026-10-14, against an average of 62.2% for October across 6 years of readings (+5.0 points).

Rain over the last three months · 21 September 2026

Severely dry

In the three months to 21 September 2026 the area around Porce II 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 −1.91). 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: 2026-10-14.

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 October 14, 2026, Porce II is filled to 67.2% of its total capacity, holding roughly 83 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 risen by 4.3 percentage points, and it is 21.2 points below its level on the same date a year earlier.

Across the readings we hold for Porce II — 2113 data points between January 1, 2021 and October 14, 2026 — the level has ranged from a low of 13.8% (September 21, 2024) to a high of 94.5% (May 6, 2025). On average the reservoir is fullest around November 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
67.2%
Water stored
83 GWh
Total capacity
124 GWh
7-day change
▲ 4.3 pts
Year-on-year
▼ 21.2 pts
Primary use
Hydroelectric power
River
Porce
River basin
Porce
Operator
XM
Coordinates
6.805°N, 75.149°W
Last updated
October 14, 2026

Recent readings

DateFill levelVolume (GWh)
14 Oct 202667.2%83
13 Oct 202671.0%88
12 Oct 202665.0%81
11 Oct 202652.5%65
10 Oct 202646.6%58
9 Oct 202651.9%64
8 Oct 202659.1%73
7 Oct 202662.9%78
6 Oct 202657.4%71
5 Oct 202650.1%62
4 Oct 202645.4%56
3 Oct 202645.7%57

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