← AMAZONAS
NormalHydroelectric

COLIDER

Mato Grosso · AMAZONAS

Useful capacity

97.02 hm³

Coordinates

10.976°S, 55.763°W

Operator

ONS

65.0% of useful capacity

Current fill

65.0%

of useful capacity

Normal

vs 7 days ago

-10.0 pp

losing

vs 1 year ago

N/A

7-day trend

↓

falling

Drought context

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around COLIDER 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 −0.87). Rain, not storage. Brazil drought figures →

Catchment Weather

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

Technical specifications

Total capacity1,525 hm³
Usable capacity97.02 hm³
Primary useHydroelectric
OperatorONS
RiverTELES PIRES
ProvinceMato Grosso
River basinAMAZONAS
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-10-25

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 10.976°S, 55.763°W · Open in Google Maps

About COLIDER

As of October 25, 2026, COLIDER is at 65.0% of useful capacity, holding 63.1 hm³ of 97.02 hm³. Of the 1,525 hm³ total capacity, that is 4.1%. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has fallen by 10.0 percentage points.

Across the readings we hold for COLIDER — 64 data points between April 11, 2025 and October 25, 2026 — the level has ranged from a low of 3.3% (August 14, 2025) to a high of 86.7% (June 5, 2026). On average the reservoir is fullest around October and at its lowest around August.

It is operated by ONS primarily for hydroelectric power. It lies within the AMAZONAS basin at 10.976°S, 55.763°W.

Key facts

Current fill level
65.0% of useful capacity
Water stored
63.1 hm³
Total capacity
1,525 hm³
Usable capacity
97.02 hm³
7-day change
▼ 10.0 pp
Primary use
Hydroelectric power
River
TELES PIRES
River basin
AMAZONAS
Operator
ONS
Coordinates
10.976°S, 55.763°W
Last updated
October 25, 2026

Recent readings

DateFill levelVolume (hm³)
25 Oct 202665.0%63.1
24 Oct 202673.3%71.1
23 Oct 202676.7%74.4
22 Oct 202673.3%71.1
21 Oct 202675.0%72.8
20 Oct 202671.7%69.5
19 Oct 202676.7%74.4
18 Oct 202675.0%72.8
17 Oct 202681.7%79.2
16 Oct 202678.3%76
15 Oct 202676.7%74.4
14 Oct 202670.0%67.9

Nearby reservoirs