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GRANDE
HighHydroelectric

FUNIL-MG

Minas Gerais · GRANDE

Capacity

304 hm³

Coordinates

-21.142°N, 45.035°W

Operator

ONS

100.0% full

Current fill

100.0%
High

vs 7 days ago

0.0%

stable

vs 1 year ago

N/A

7-day trend

stable

Catchment Weather

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

Technical specifications

Total capacity304 hm³
Usable capacity6.81 hm³
Primary useHydroelectric
OperatorONS
RiverGRANDE
ProvinceMinas Gerais
River basinGRANDE
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. -21.142, -45.035 · Open in Google Maps

About FUNIL-MG

As of September 9, 2026, FUNIL-MG is filled to 100.0% of its total capacity, holding roughly 7 hm³ of water out of a maximum 304 hm³. At this level the reservoir is high. Of that total, about 7 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (+0.0 pts).

Across the readings we hold for FUNIL-MG — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 20.0% (November 14, 2025) to a high of 100.0% (December 31, 2025). On average the reservoir is fullest around March and at its lowest around November.

It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 21.142°S, 45.035°W.

Key facts

Current fill level
100.0%
Water stored
7 hm³
Total capacity
304 hm³
Usable capacity
7 hm³
7-day change
No change
Primary use
Hydroelectric power
River
GRANDE
River basin
GRANDE
Operator
ONS
Coordinates
21.142°S, 45.035°W
Last updated
September 9, 2026

Recent readings

DateFill levelVolume (hm³)
9 Sep 2026100.0%7
4 Sep 2026100.0%7
28 Aug 202695.0%7
21 Aug 202649.9%3
14 Aug 202680.0%6
7 Aug 202649.9%3
31 Jul 202664.9%4
24 Jul 202675.0%5
17 Jul 202630.0%2
10 Jul 202659.9%4
3 Jul 202664.9%4
26 Jun 202680.0%6

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