← PARANAIBA
NormalHydroelectric

ESPORA

Goiás · PARANAIBA

Useful capacity

137.85 hm³

Coordinates

18.678°S, 51.869°W

Operator

ONS

77.0% of useful capacity

Current fill

77.0%

of useful capacity

Normal

vs 7 days ago

-2.8 pp

losing

vs 1 year ago

+57.9 pp

year-over-year

7-day trend

↓

falling

Drought context

Storage vs October average

157%of normal

77.0% full on 2026-10-26, against an average of 48.9% for October across 2 years of readings (+28.1 points).

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around ESPORA 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 −0.41). Rain, not storage. Brazil drought figures →

Catchment Weather

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

Technical specifications

Total capacity209 hm³
Usable capacity137.85 hm³
Primary useHydroelectric
OperatorONS
RiverCORRENTE
ProvinceGoiás
River basinPARANAIBA
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. 18.678°S, 51.869°W · Open in Google Maps

About ESPORA

As of October 26, 2026, ESPORA is at 77.0% of useful capacity, holding 106.1 hm³ of 137.85 hm³. Of the 209 hm³ total capacity, that is 50.8%. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has fallen by 2.8 percentage points, and it is 57.9 points above its level on the same date a year earlier.

Across the readings we hold for ESPORA — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 16.1% (December 5, 2025) to a high of 98.2% (April 17, 2026). On average the reservoir is fullest around April and at its lowest around December.

It is operated by ONS primarily for hydroelectric power. It lies within the PARANAIBA basin at 18.678°S, 51.869°W.

Key facts

Current fill level
77.0% of useful capacity
Water stored
106.1 hm³
Total capacity
209 hm³
Usable capacity
137.85 hm³
7-day change
▼ 2.8 pp
Year-on-year
▲ 57.9 pp
Primary use
Hydroelectric power
River
CORRENTE
River basin
PARANAIBA
Operator
ONS
Coordinates
18.678°S, 51.869°W
Last updated
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 202677.0%106.1
25 Oct 202677.2%106.4
24 Oct 202676.6%105.6
23 Oct 202677.0%106.1
22 Oct 202678.1%107.7
21 Oct 202679.2%109.2
20 Oct 202679.2%109.2
19 Oct 202679.8%110
18 Oct 202680.2%110.5
17 Oct 202680.2%110.5
16 Oct 202680.2%110.5
15 Oct 202679.6%109.7

Nearby reservoirs