PORTO PRIMAVERA
São Paulo · PARANA
Capacity
20,001 hm³
Coordinates
-22.475°N, 52.952°W
Operator
ONS
Current fill
105.0%vs 7 days ago
+5.0%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 | 20,001 hm³ |
| Usable capacity | 4,294 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | PARANÁ |
| Province | São Paulo |
| River basin | PARANA |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -22.475, -52.952 · Open in Google Maps
About PORTO PRIMAVERA
As of June 10, 2026, PORTO PRIMAVERA is filled to 105.0% of its total capacity, holding roughly 4,509 hm³ of water out of a maximum 20,001 hm³. At this level the reservoir is effectively full. Of that total, about 4,294 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 5.0 percentage points, and it sits close to where it was a year earlier.
Across the readings we hold for PORTO PRIMAVERA — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 11.9% (October 3, 2025) to a high of 105.0% (June 27, 2025). On average the reservoir is fullest around July and at its lowest around September.
It is operated by ONS primarily for hydroelectric power. It lies within the PARANA basin at 22.475°S, 52.952°W.
Key facts
- Current fill level
- 105.0%
- Water stored
- 4,509 hm³
- Total capacity
- 20,001 hm³
- Usable capacity
- 4,294 hm³
- 7-day change
- ▲ 5.0 pts
- Year-on-year
- No change
- Primary use
- Hydroelectric power
- River
- PARANÁ
- River basin
- PARANA
- Operator
- ONS
- Coordinates
- 22.475°S, 52.952°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 105.0% | 4,509 |
| 5 Jun 2026 | 100.0% | 4,294 |
| 29 May 2026 | 105.0% | 4,509 |
| 22 May 2026 | 105.0% | 4,509 |
| 15 May 2026 | 100.0% | 4,294 |
| 8 May 2026 | 39.9% | 1,711 |
| 1 May 2026 | 75.9% | 3,259 |
| 24 Apr 2026 | 75.9% | 3,259 |
| 17 Apr 2026 | 105.0% | 4,509 |
| 10 Apr 2026 | 71.9% | 3,086 |
| 3 Apr 2026 | 63.9% | 2,742 |
| 27 Mar 2026 | 39.9% | 1,711 |
Frequently asked questions
What is the current water level of PORTO PRIMAVERA?
As of June 10, 2026, PORTO PRIMAVERA is at 105.0% of its capacity, holding approximately 4,509 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is PORTO PRIMAVERA reservoir full?
PORTO PRIMAVERA is essentially full, sitting at 105.0% of capacity as of June 10, 2026.
Is the water level at PORTO PRIMAVERA rising or falling?
The level at PORTO PRIMAVERA is rising — it gained 5.0 percentage points over the latest week on record.
How much water can PORTO PRIMAVERA hold?
PORTO PRIMAVERA has a total capacity of 20,001 hm³, of which about 4,294 hm³ is usable storage.
Where is PORTO PRIMAVERA reservoir located?
PORTO PRIMAVERA is located in São Paulo, Brazil, within the PARANA basin (coordinates 22.475°S, 52.952°W).
What is PORTO PRIMAVERA used for?
PORTO PRIMAVERA is used primarily for hydroelectric power, and is managed by ONS.

