← AMAZONAS
NormalHydroelectric

SINOP

Mato Grosso · AMAZONAS

Useful capacity

2,025.97 hm³

Coordinates

11.263°S, 55.452°W

Operator

ONS

58.7% of useful capacity

Current fill

58.7%

of useful capacity

Normal

vs 7 days ago

-1.7 pp

losing

vs 1 year ago

+26.0 pp

year-over-year

7-day trend

↓

falling

Drought context

Storage vs October average

127%of normal

58.7% full on 2026-10-26, against an average of 46.4% for October across 2 years of readings (+12.3 points).

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around SINOP 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 −0.49). Rain, not storage. Brazil drought figures →

Catchment Weather

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

Technical specifications

Total capacity3,071 hm³
Usable capacity2,026 hm³
Primary useHydroelectric
OperatorONS
RiverTELES PIRES
ProvinceMato Grosso
River basinAMAZONAS
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. 11.263°S, 55.452°W · Open in Google Maps

About SINOP

As of October 26, 2026, SINOP is at 58.7% of useful capacity, holding 1,189 hm³ of 2,026 hm³. Of the 3,071 hm³ total capacity, that is 38.7%. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has fallen by 1.7 percentage points, and it is 26.0 points above its level on the same date a year earlier.

Across the readings we hold for SINOP — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 10.6% (January 2, 2026) to a high of 86.3% (May 22, 2026). On average the reservoir is fullest around May and at its lowest around January.

It is operated by ONS primarily for hydroelectric power. It lies within the AMAZONAS basin at 11.263°S, 55.452°W.

Key facts

Current fill level
58.7% of useful capacity
Water stored
1,189 hm³
Total capacity
3,071 hm³
Usable capacity
2,026 hm³
7-day change
▼ 1.7 pp
Year-on-year
▲ 26.0 pp
Primary use
Hydroelectric power
River
TELES PIRES
River basin
AMAZONAS
Operator
ONS
Coordinates
11.263°S, 55.452°W
Last updated
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 202658.7%1,189
25 Oct 202659.2%1,200
24 Oct 202659.3%1,202
23 Oct 202659.4%1,204
22 Oct 202659.7%1,210
21 Oct 202660.0%1,216
20 Oct 202660.3%1,221
19 Oct 202660.5%1,225
18 Oct 202660.5%1,225
17 Oct 202660.0%1,216
16 Oct 202660.0%1,216
15 Oct 202660.4%1,223

Nearby reservoirs