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JACUI
NormalHydroelectric

D. FRANCISCA

Rio Grande do Sul · JACUI

Capacity

330 hm³

Coordinates

-29.449°N, 53.283°W

Operator

ONS

Current fill

53.2%
Normal

vs 7 days ago

+10.0%

gaining

vs 1 year ago

-51.8%

year-over-year

7-day trend

rising

Catchment Weather

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

Technical specifications

Total capacity330 hm³
Usable capacity62.56 hm³
Primary useHydroelectric
OperatorONS
RiverJACUÍ
ProvinceRio Grande do Sul
River basinJACUI
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-06-10

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -29.449, -53.283 · Open in Google Maps

About D. FRANCISCA

As of June 10, 2026, D. FRANCISCA is filled to 53.2% of its total capacity, holding roughly 33 hm³ of water out of a maximum 330 hm³. At this level the reservoir is within its normal operating range. Of that total, about 63 hm³ is usable (live) storage.

Over the most recent week on record the fill level has risen by 10.0 percentage points, and it is 51.8 points below its level on the same date a year earlier.

Across the readings we hold for D. FRANCISCA — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 25.5% (May 22, 2026) to a high of 105.0% (June 27, 2025). On average the reservoir is fullest around September and at its lowest around May.

It is operated by ONS primarily for hydroelectric power. It lies within the JACUI basin at 29.449°S, 53.283°W.

Key facts

Current fill level
53.2%
Water stored
33 hm³
Total capacity
330 hm³
Usable capacity
63 hm³
7-day change
▲ 10.0 pts
Year-on-year
▼ 51.8 pts
Primary use
Hydroelectric power
River
JACUÍ
River basin
JACUI
Operator
ONS
Coordinates
29.449°S, 53.283°W
Last updated
June 10, 2026

Recent readings

DateFill levelVolume (hm³)
10 Jun 202653.2%33
5 Jun 202643.2%27
29 May 202651.7%32
22 May 202625.5%16
15 May 202645.7%29
8 May 202650.0%31
1 May 202631.3%20
24 Apr 202632.7%21
17 Apr 202661.2%38
10 Apr 2026100.3%63
3 Apr 202657.5%36
27 Mar 202651.2%32

Frequently asked questions

What is the current water level of D. FRANCISCA?

As of June 10, 2026, D. FRANCISCA is at 53.2% of its capacity, holding approximately 33 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.

Is D. FRANCISCA reservoir full?

No. As of June 10, 2026, D. FRANCISCA is within its normal operating range at 53.2% of its capacity, so it is not full.

Is the water level at D. FRANCISCA rising or falling?

The level at D. FRANCISCA is rising — it gained 10.0 percentage points over the latest week on record.

How much water can D. FRANCISCA hold?

D. FRANCISCA has a total capacity of 330 hm³, of which about 63 hm³ is usable storage.

Where is D. FRANCISCA reservoir located?

D. FRANCISCA is located in Rio Grande do Sul, Brazil, within the JACUI basin (coordinates 29.449°S, 53.283°W).

What is D. FRANCISCA used for?

D. FRANCISCA is used primarily for hydroelectric power, and is managed by ONS.

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