C.BRANCO-2
Minas Gerais · PARANAIBA
Capacity
879 hm³
Coordinates
-18.659°N, 48.436°W
Operator
ONS
40.0% full
Current fill
40.0%vs 7 days ago
-6.7%losing
vs 1 year ago
+13.3%year-over-year
7-day trend
↓falling
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 July 28, 2026, C.BRANCO-2 is filled to 40.0% of its total capacity, holding roughly 5 hm³ of water out of a maximum 879 hm³. At this level the reservoir is low. Of that total, about 13 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 6.7 percentage points, and it is 13.3 points above its level on the same date a year earlier.
Across the readings we hold for C.BRANCO-2 — 52 data points between August 15, 2025 and July 28, 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 August.
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
- 40.0%
- Water stored
- 5 hm³
- Total capacity
- 879 hm³
- Usable capacity
- 13 hm³
- 7-day change
- ▼ 6.7 pts
- Year-on-year
- ▲ 13.3 pts
- Primary use
- Hydroelectric power
- River
- ARAGUARI-MG
- River basin
- PARANAIBA
- Operator
- ONS
- Coordinates
- 18.659°S, 48.436°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 40.0% | 5 |
| 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 |
| 19 Jun 2026 | 33.3% | 4 |
| 12 Jun 2026 | 63.3% | 8 |
| 5 Jun 2026 | 53.3% | 7 |
| 29 May 2026 | 56.7% | 8 |
| 22 May 2026 | 60.0% | 8 |
| 15 May 2026 | 33.3% | 4 |
Frequently asked questions
What is the current water level of C.BRANCO-2?
As of July 28, 2026, C.BRANCO-2 is at 40.0% of its capacity, holding approximately 5 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is C.BRANCO-2 reservoir full?
No. As of July 28, 2026, C.BRANCO-2 is low at 40.0% 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 falling — it dropped 6.7 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.