JUPIA
Mato Grosso do Sul · PARANA
Capacity
3,354 hm³
Coordinates
-20.777°N, 51.633°W
Operator
ONS
100.0% full
Current fill
100.0%vs 7 days ago
+1.8%gaining
vs 1 year ago
0.0%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 3,354 hm³ |
| Usable capacity | 903.75 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | PARANÁ |
| Province | Mato Grosso do Sul |
| River basin | PARANA |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -20.777, -51.633 · Open in Google Maps
About JUPIA
As of July 28, 2026, JUPIA is filled to 100.0% of its total capacity, holding roughly 904 hm³ of water out of a maximum 3,354 hm³. At this level the reservoir is high. Of that total, about 904 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 1.8 percentage points, and it sits close to where it was a year earlier.
Across the readings we hold for JUPIA — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 78.5% (March 27, 2026) to a high of 100.0% (August 15, 2025). On average the reservoir is fullest around August and at its lowest around April.
It is operated by ONS primarily for hydroelectric power. It lies within the PARANA basin at 20.777°S, 51.633°W.
Key facts
- Current fill level
- 100.0%
- Water stored
- 904 hm³
- Total capacity
- 3,354 hm³
- Usable capacity
- 904 hm³
- 7-day change
- ▲ 1.8 pts
- Year-on-year
- No change
- Primary use
- Hydroelectric power
- River
- PARANÁ
- River basin
- PARANA
- Operator
- ONS
- Coordinates
- 20.777°S, 51.633°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 100.0% | 904 |
| 24 Jul 2026 | 98.2% | 887 |
| 17 Jul 2026 | 79.9% | 722 |
| 10 Jul 2026 | 86.6% | 783 |
| 3 Jul 2026 | 83.1% | 751 |
| 26 Jun 2026 | 95.3% | 861 |
| 19 Jun 2026 | 87.0% | 786 |
| 12 Jun 2026 | 96.4% | 871 |
| 5 Jun 2026 | 96.0% | 868 |
| 29 May 2026 | 97.5% | 881 |
| 22 May 2026 | 85.6% | 773 |
| 15 May 2026 | 88.4% | 799 |
Frequently asked questions
What is the current water level of JUPIA?
As of July 28, 2026, JUPIA is at 100.0% of its capacity, holding approximately 904 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is JUPIA reservoir full?
JUPIA is essentially full, sitting at 100.0% of capacity as of July 28, 2026.
Is the water level at JUPIA rising or falling?
The level at JUPIA is rising — it gained 1.8 percentage points over the latest week on record.
How much water can JUPIA hold?
JUPIA has a total capacity of 3,354 hm³, of which about 904 hm³ is usable storage.
Where is JUPIA reservoir located?
JUPIA is located in Mato Grosso do Sul, Brazil, within the PARANA basin (coordinates 20.777°S, 51.633°W).
What is JUPIA used for?
JUPIA is used primarily for hydroelectric power, and is managed by ONS.