LUIZ GONZAGA
Pernambuco · SAO FRANCISCO
Capacity
10,782 hm³
Coordinates
-9.141°N, 38.314°W
Operator
ONS
66.3% full
Current fill
66.3%vs 7 days ago
-0.6%losing
vs 1 year ago
N/A7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 10,782 hm³ |
| Usable capacity | 3,549 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | SÃO FRANCISCO |
| Province | Pernambuco |
| River basin | SAO FRANCISCO |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -9.141, -38.314 · Open in Google Maps
About LUIZ GONZAGA
As of September 9, 2026, LUIZ GONZAGA is filled to 66.3% of its total capacity, holding roughly 2,354 hm³ of water out of a maximum 10,782 hm³. At this level the reservoir is within its normal operating range. Of that total, about 3,549 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.6 pts).
Across the readings we hold for LUIZ GONZAGA — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 34.4% (December 31, 2025) to a high of 92.3% (September 26, 2025). On average the reservoir is fullest around July and at its lowest around December.
It is operated by ONS primarily for hydroelectric power. It lies within the SAO FRANCISCO basin at 9.141°S, 38.314°W.
Key facts
- Current fill level
- 66.3%
- Water stored
- 2,354 hm³
- Total capacity
- 10,782 hm³
- Usable capacity
- 3,549 hm³
- 7-day change
- ▼ 0.6 pts
- Primary use
- Hydroelectric power
- River
- SÃO FRANCISCO
- River basin
- SAO FRANCISCO
- Operator
- ONS
- Coordinates
- 9.141°S, 38.314°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 66.3% | 2,354 |
| 4 Sep 2026 | 67.0% | 2,376 |
| 28 Aug 2026 | 70.3% | 2,496 |
| 21 Aug 2026 | 71.8% | 2,549 |
| 14 Aug 2026 | 75.0% | 2,663 |
| 7 Aug 2026 | 80.5% | 2,856 |
| 31 Jul 2026 | 82.2% | 2,918 |
| 24 Jul 2026 | 85.1% | 3,020 |
| 17 Jul 2026 | 88.4% | 3,138 |
| 10 Jul 2026 | 88.9% | 3,154 |
| 3 Jul 2026 | 90.2% | 3,202 |
| 26 Jun 2026 | 89.5% | 3,178 |