Reservoir · Boyacá · Colombia · XM
Esmeralda (Chivor)
94.3% full
Capacity
893.82 GWh
Energy stored
843 GWh
River
Batá
Coordinates
4.900°N, 73.297°W
Last updated
2026-10-28
Current fill
94.3%vs 7 days ago
-1.0 pplosing
vs 1 year ago
-0.5 ppyear-over-year
7-day trend
↓falling
Drought context
Storage vs October average
104%of normal
94.3% full on 2026-10-28, against an average of 90.4% for October across 6 years of readings (+3.9 points).
Rain over the last three months · 11 October 2026
Extremely wet
In the three months to 11 October 2026 the area around Esmeralda (Chivor) had exceptionally wet conditions, a surplus 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 +2.07). 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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 4.900°N, 73.297°W · Open in Google Maps
About Esmeralda (Chivor)
As of October 28, 2026, Esmeralda (Chivor) is filled to 94.3% of its total capacity, holding 843.29 GWh of water out of a maximum 893.82 GWh. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 1.0 percentage points, and it sits close to where it was a year earlier.
Across the readings we hold for Esmeralda (Chivor) — 1976 data points between May 1, 2021 and October 28, 2026 — the level has ranged from a low of 11.5% (April 19, 2024) to a high of 99.8% (November 25, 2021). On average the reservoir is fullest around November and at its lowest around April.
It is operated by XM primarily for hydroelectric power. It lies within the Batá basin at 4.900°N, 73.297°W.
Key facts
- Current fill level
- 94.3% of total capacity
- Water stored
- 843.29 GWh
- Total capacity
- 893.82 GWh
- 7-day change
- ▼ 1.0 pp
- Year-on-year
- ▼ 0.5 pp
- Primary use
- Hydroelectric power
- River basin
- Batá
- Operator
- XM
- Coordinates
- 4.900°N, 73.297°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 28 Oct 2026 | 94.3% | 843.29 |
| 27 Oct 2026 | 94.6% | 845.64 |
| 26 Oct 2026 | 94.9% | 847.98 |
| 25 Oct 2026 | 95.1% | 850.08 |
| 24 Oct 2026 | 95.2% | 851.03 |
| 23 Oct 2026 | 95.3% | 851.96 |
| 22 Oct 2026 | 95.4% | 853.14 |
| 21 Oct 2026 | 95.3% | 851.73 |
| 20 Oct 2026 | 95.1% | 850.31 |
| 19 Oct 2026 | 95.4% | 852.68 |
| 18 Oct 2026 | 96.1% | 858.79 |
| 17 Oct 2026 | 96.3% | 860.67 |