← SAO FRANCISCO
LowHydroelectric

LUIZ GONZAGA

Pernambuco · SAO FRANCISCO

Useful capacity

3,549 hm³

Coordinates

9.141°S, 38.314°W

Operator

ONS

39.7% of useful capacity

Current fill

39.7%

of useful capacity

Low

vs 7 days ago

-5.9 pp

losing

vs 1 year ago

-39.3 pp

year-over-year

7-day trend

↓

falling

Drought context

Storage vs October average

63%of normal

39.7% full on 2026-10-26, against an average of 62.9% for October across 2 years of readings (-23.2 points).

Rain over the last three months · 11 October 2026

Extremely dry

In the three months to 11 October 2026 the area around LUIZ GONZAGA had extremely little rain for the season, a shortfall 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 −3.33). Rain, not storage. Brazil drought figures →

Catchment Weather

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

Technical specifications

Total capacity10,782 hm³
Usable capacity3,549 hm³
Primary useHydroelectric
OperatorONS
RiverSÃO FRANCISCO
ProvincePernambuco
River basinSAO FRANCISCO
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. 9.141°S, 38.314°W · Open in Google Maps

About LUIZ GONZAGA

As of October 26, 2026, LUIZ GONZAGA is at 39.7% of useful capacity, holding 1,408 hm³ of 3,549 hm³. Of the 10,782 hm³ total capacity, that is 13.1%. At this level the reservoir is low.

Over the most recent week on record the fill level has fallen by 5.9 percentage points, and it is 39.3 points below its level on the same date a year earlier.

Across the readings we hold for LUIZ GONZAGA — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 34.4% (December 31, 2025) to a high of 90.2% (July 3, 2026). On average the reservoir is fullest around July and at its lowest around December.

It is operated by ONS primarily for hydroelectric power. It lies within the SAO FRANCISCO basin at 9.141°S, 38.314°W.

Key facts

Current fill level
39.7% of useful capacity
Water stored
1,408 hm³
Total capacity
10,782 hm³
Usable capacity
3,549 hm³
7-day change
▼ 5.9 pp
Year-on-year
▼ 39.3 pp
Primary use
Hydroelectric power
River
SÃO FRANCISCO
River basin
SAO FRANCISCO
Operator
ONS
Coordinates
9.141°S, 38.314°W
Last updated
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 202639.7%1,408
25 Oct 202641.0%1,457
24 Oct 202641.3%1,464
23 Oct 202641.6%1,478
22 Oct 202642.6%1,513
21 Oct 202643.4%1,541
20 Oct 202644.4%1,576
19 Oct 202645.6%1,619
18 Oct 202646.0%1,633
17 Oct 202647.4%1,682
16 Oct 202647.6%1,689
15 Oct 202649.0%1,739

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