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TIETE
NormalHydroelectric

IBITINGA

São Paulo · TIETE

Capacity

985 hm³

Coordinates

-21.758°N, 48.992°W

Operator

ONS

71.6% full

Current fill

71.6%
Normal

vs 7 days ago

-20.3%

losing

vs 1 year ago

N/A

7-day trend

falling

Catchment Weather

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

Technical specifications

Total capacity985 hm³
Usable capacity55.77 hm³
Primary useHydroelectric
OperatorONS
RiverTIETÊ
ProvinceSão Paulo
River basinTIETE
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-09-09

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -21.758, -48.992 · Open in Google Maps

About IBITINGA

As of September 9, 2026, IBITINGA is filled to 71.6% of its total capacity, holding roughly 40 hm³ of water out of a maximum 985 hm³. At this level the reservoir is within its normal operating range. Of that total, about 56 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 20.3 percentage points.

Across the readings we hold for IBITINGA — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 47.5% (February 13, 2026) to a high of 91.9% (June 19, 2026). On average the reservoir is fullest around September and at its lowest around August.

It is operated by ONS primarily for hydroelectric power. It lies within the TIETE basin at 21.758°S, 48.992°W.

Key facts

Current fill level
71.6%
Water stored
40 hm³
Total capacity
985 hm³
Usable capacity
56 hm³
7-day change
▼ 20.3 pts
Primary use
Hydroelectric power
River
TIETÊ
River basin
TIETE
Operator
ONS
Coordinates
21.758°S, 48.992°W
Last updated
September 9, 2026

Recent readings

DateFill levelVolume (hm³)
9 Sep 202671.6%40
4 Sep 202691.9%51
28 Aug 202667.6%38
21 Aug 202657.5%32
14 Aug 202655.5%31
7 Aug 202649.5%28
31 Jul 202671.6%40
24 Jul 202677.7%43
17 Jul 202687.8%49
10 Jul 202681.7%46
3 Jul 202663.5%35
26 Jun 202663.5%35

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