← GRANDE
NormalHydroelectric

JAGUARA

Minas Gerais · GRANDE

Useful capacity

90 hm³

Coordinates

20.025°S, 47.436°W

Operator

ONS

78.3% of useful capacity

Current fill

78.3%

of useful capacity

Normal

vs 7 days ago

+4.7 pp

gaining

vs 1 year ago

+14.0 pp

year-over-year

7-day trend

↑

rising

Drought context

Storage vs October average

113%of normal

78.3% full on 2026-10-26, against an average of 69.2% for October across 2 years of readings (+9.1 points).

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around JAGUARA had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +0.88). Rain, not storage. Brazil drought figures →

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity450 hm³
Usable capacity90 hm³
Primary useHydroelectric
OperatorONS
ProvinceMinas Gerais
River basinGRANDE
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-10-26

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 20.025°S, 47.436°W · Open in Google Maps

About JAGUARA

As of October 26, 2026, JAGUARA is at 78.3% of useful capacity, holding 70.5 hm³ of 90 hm³. Of the 450 hm³ total capacity, that is 15.7%. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has risen by 4.7 percentage points, and it is 14.0 points above its level on the same date a year earlier.

Across the readings we hold for JAGUARA — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 54.3% (December 19, 2025) to a high of 83.3% (August 7, 2026). On average the reservoir is fullest around August and at its lowest around December.

It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 20.025°S, 47.436°W.

Key facts

Current fill level
78.3% of useful capacity
Water stored
70.5 hm³
Total capacity
450 hm³
Usable capacity
90 hm³
7-day change
▲ 4.7 pp
Year-on-year
▲ 14.0 pp
Primary use
Hydroelectric power
River basin
GRANDE
Operator
ONS
Coordinates
20.025°S, 47.436°W
Last updated
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 202678.3%70.5
25 Oct 202677.3%69.6
24 Oct 202669.7%62.7
23 Oct 202668.3%61.5
22 Oct 202670.0%63
21 Oct 202677.7%69.9
20 Oct 202668.7%61.8
19 Oct 202673.7%66.3
18 Oct 202679.3%71.4
17 Oct 202682.0%73.8
16 Oct 202673.3%66
15 Oct 202683.0%74.7

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