C.BRANCO-2
Minas Gerais · PARANAIBA
Capacity
879 hm³
Coordinates
-18.659°N, 48.436°W
Operator
ONS
Current fill
66.7%vs 7 days ago
+13.3%gaining
vs 1 year ago
+23.3%year-over-year
7-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 June 10, 2026, C.BRANCO-2 is filled to 66.7% of its total capacity, holding roughly 9 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 13.3 percentage points, and it is 23.3 points above its level on the same date a year earlier.
Across the readings we hold for C.BRANCO-2 — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 6.7% (July 25, 2025) to a high of 86.7% (July 4, 2025). On average the reservoir is fullest around February and at its lowest around July.
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
- 66.7%
- Water stored
- 9 hm³
- Total capacity
- 879 hm³
- Usable capacity
- 13 hm³
- 7-day change
- ▲ 13.3 pts
- Year-on-year
- ▲ 23.3 pts
- Primary use
- Hydroelectric power
- River
- ARAGUARI-MG
- River basin
- PARANAIBA
- Operator
- ONS
- Coordinates
- 18.659°S, 48.436°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 66.7% | 9 |
| 5 Jun 2026 | 53.3% | 7 |
| 29 May 2026 | 56.7% | 8 |
| 22 May 2026 | 60.0% | 8 |
| 15 May 2026 | 33.3% | 4 |
| 8 May 2026 | 36.7% | 5 |
| 1 May 2026 | 46.7% | 6 |
| 24 Apr 2026 | 63.3% | 8 |
| 17 Apr 2026 | 33.3% | 4 |
| 10 Apr 2026 | 33.3% | 4 |
| 3 Apr 2026 | 60.0% | 8 |
| 27 Mar 2026 | 26.7% | 4 |
Frequently asked questions
What is the current water level of C.BRANCO-2?
As of June 10, 2026, C.BRANCO-2 is at 66.7% of its capacity, holding approximately 9 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is C.BRANCO-2 reservoir full?
No. As of June 10, 2026, C.BRANCO-2 is within its normal operating range at 66.7% of its capacity, so it is not full.
Is the water level at C.BRANCO-2 rising or falling?
The level at C.BRANCO-2 is rising — it gained 13.3 percentage points over the latest week on record.
How much water can C.BRANCO-2 hold?
C.BRANCO-2 has a total capacity of 879 hm³, of which about 13 hm³ is usable storage.
Where is C.BRANCO-2 reservoir located?
C.BRANCO-2 is located in Minas Gerais, Brazil, within the PARANAIBA basin (coordinates 18.659°S, 48.436°W).
What is C.BRANCO-2 used for?
C.BRANCO-2 is used primarily for hydroelectric power, and is managed by ONS.

