← PARAIBA DO SUL
NormalHydroelectric

JAGUARI

São Paulo · PARAIBA DO SUL

Useful capacity

792.48 hm³

Coordinates

23.192°S, 46.021°W

Operator

ONS

73.3% of useful capacity

Current fill

73.3%

of useful capacity

Normal

vs 7 days ago

+2.3 pp

gaining

vs 1 year ago

+30.9 pp

year-over-year

7-day trend

↑

rising

Drought context

Storage vs October average

131%of normal

73.3% full on 2026-10-26, against an average of 56.1% for October across 2 years of readings (+17.2 points).

Rain over the last three months · 11 October 2026

Extremely wet

In the three months to 11 October 2026 the area around JAGUARI 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 +2.15). Rain, not storage. Brazil drought figures →

Catchment Weather

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

Technical specifications

Total capacity1,236 hm³
Usable capacity792.48 hm³
Primary useHydroelectric
OperatorONS
RiverJAGUARI
ProvinceSão Paulo
River basinPARAIBA DO SUL
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. 23.192°S, 46.021°W · Open in Google Maps

About JAGUARI

As of October 26, 2026, JAGUARI is at 73.3% of useful capacity, holding 580.7 hm³ of 792.48 hm³. Of the 1,236 hm³ total capacity, that is 47.0%. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has risen by 2.3 percentage points, and it is 30.9 points above its level on the same date a year earlier.

Across the readings we hold for JAGUARI — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 34.7% (January 23, 2026) to a high of 73.3% (October 26, 2026). On average the reservoir is fullest around October and at its lowest around January.

It is operated by ONS primarily for hydroelectric power. It lies within the PARAIBA DO SUL basin at 23.192°S, 46.021°W.

Key facts

Current fill level
73.3% of useful capacity
Water stored
580.7 hm³
Total capacity
1,236 hm³
Usable capacity
792.48 hm³
7-day change
▲ 2.3 pp
Year-on-year
▲ 30.9 pp
Primary use
Hydroelectric power
River
JAGUARI
River basin
PARAIBA DO SUL
Operator
ONS
Coordinates
23.192°S, 46.021°W
Last updated
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 202673.3%580.7
25 Oct 202672.3%572.6
24 Oct 202671.9%570.1
23 Oct 202671.7%568.2
22 Oct 202671.5%566.3
21 Oct 202671.3%565.4
20 Oct 202671.2%564.4
19 Oct 202671.0%562.4
18 Oct 202669.8%553.4
17 Oct 202669.1%547.7
16 Oct 202668.9%546.3
15 Oct 202668.8%545.4

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