C.BRANCO-2
Minas Gerais · PARANAIBA
Capacity
879 hm³
Coordinates
-18.659°N, 48.436°W
Operator
ONS
46.7% full
Current fill
46.7%vs 7 days ago
+3.3%gaining
vs 1 year ago
N/A7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 879 hm³ |
| Usable capacity | 13.2 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | ARAGUARI-MG |
| Province | Minas Gerais |
| River basin | PARANAIBA |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -18.659, -48.436 · Open in Google Maps
About C.BRANCO-2
As of September 9, 2026, C.BRANCO-2 is filled to 46.7% of its total capacity, holding roughly 6 hm³ of water out of a maximum 879 hm³. At this level the reservoir is within its normal operating range. Of that total, about 13 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 3.3 percentage points.
Across the readings we hold for C.BRANCO-2 — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 16.7% (October 17, 2025) to a high of 76.7% (October 3, 2025). On average the reservoir is fullest around February and at its lowest around September.
It is operated by ONS primarily for hydroelectric power. It lies within the PARANAIBA basin at 18.659°S, 48.436°W.
Key facts
- Current fill level
- 46.7%
- Water stored
- 6 hm³
- Total capacity
- 879 hm³
- Usable capacity
- 13 hm³
- 7-day change
- ▲ 3.3 pts
- Primary use
- Hydroelectric power
- River
- ARAGUARI-MG
- River basin
- PARANAIBA
- Operator
- ONS
- Coordinates
- 18.659°S, 48.436°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 46.7% | 6 |
| 4 Sep 2026 | 43.3% | 6 |
| 28 Aug 2026 | 36.7% | 5 |
| 21 Aug 2026 | 50.0% | 7 |
| 14 Aug 2026 | 40.0% | 5 |
| 7 Aug 2026 | 46.7% | 6 |
| 31 Jul 2026 | 46.7% | 6 |
| 24 Jul 2026 | 46.7% | 6 |
| 17 Jul 2026 | 53.3% | 7 |
| 10 Jul 2026 | 50.0% | 7 |
| 3 Jul 2026 | 56.7% | 8 |
| 26 Jun 2026 | 43.3% | 6 |