Reservoir map
Where the water behind Colombia's electricity is. Each bubble is a reservoir: its size is its capacity and its colour how full it is. Pick a region to isolate it.
Reservoirs by hydrological region
Fill level on Oct 27, 2026
How fullEmptyFull
Bubble size shows capacityThe regions are the ones XM uses and they follow river basins, not department borders. Here they are shown as approximate zones around their reservoirs. Each reservoir's position is approximate too, because XM publishes no coordinates.
Whole country
24 reservoirs · 17,665 GWh of capacity
- Reservoir level
- 77.0%+0.9 points against 7 days ago
- River inflows
- 69%Against the historical mean for the day
Reservoir level over the last year
Share of usable capacity that is full
River inflows over the last year
Share of each day's historical mean; 100 % is normal
Reservoirs
XM data as of Oct 27, 2026. Department borders: DANE.
| Reservoir | Region | Level | Capacity (GWh) |
|---|---|---|---|
| Antioquia | 79 % | 4,154 | |
| Centro | 66 % | 4,004 | |
| Oriente | 86 % | 1,978 | |
| Centro | 81 % | 1,060 | |
| Centro | 91 % | 1,029 | |
| Oriente | 86 % | 971 | |
| Oriente | 95 % | 894 | |
| Antioquia | 73 % | 544 | |
| Valle | 56 % | 514 | |
| Antioquia | 82 % | 457 | |
| Antioquia | 81 % | 426 | |
| Caldas | 76 % | 254 | |
| Antioquia | 79 % | 250 | |
| Valle | 62 % | 233 | |
| Caribe | 80 % | 141 | |
| Antioquia | 57 % | 124 | |
| Centro | 77 % | 119 | |
| Antioquia | 50 % | 112 | |
| Antioquia | 48 % | 95 | |
| Centro | 44 % | 90 | |
| Antioquia | 53 % | 66 | |
| Antioquia | 90 % | 58 | |
| Centro | 80 % | 55 | |
| Valle | 70 % | 37 |