IRAPE
Minas Gerais · JEQUITINHONHA
Capacity
5,963.92 hm³
Coordinates
-16.736°N, 42.576°W
Operator
ONS
80.2% full
Current fill
80.2%vs 7 days ago
-0.5%losing
vs 1 year ago
+12.0%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 5,963.92 hm³ |
| Usable capacity | 3,699.86 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | JEQUITINHONHA |
| Province | Minas Gerais |
| River basin | JEQUITINHONHA |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -16.736, -42.576 · Open in Google Maps
About IRAPE
As of July 28, 2026, IRAPE is filled to 80.2% of its total capacity, holding roughly 2,966 hm³ of water out of a maximum 5,964 hm³. At this level the reservoir is high. Of that total, about 3,700 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.5 pts), and it is 12.0 points above its level on the same date a year earlier.
Across the readings we hold for IRAPE — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 53.4% (December 5, 2025) to a high of 94.5% (April 3, 2026). On average the reservoir is fullest around April and at its lowest around November.
It is operated by ONS primarily for hydroelectric power. It lies within the JEQUITINHONHA basin at 16.736°S, 42.576°W.
Key facts
- Current fill level
- 80.2%
- Water stored
- 2,966 hm³
- Total capacity
- 5,964 hm³
- Usable capacity
- 3,700 hm³
- 7-day change
- ▼ 0.5 pts
- Year-on-year
- ▲ 12.0 pts
- Primary use
- Hydroelectric power
- River
- JEQUITINHONHA
- River basin
- JEQUITINHONHA
- Operator
- ONS
- Coordinates
- 16.736°S, 42.576°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 80.2% | 2,966 |
| 24 Jul 2026 | 80.7% | 2,987 |
| 17 Jul 2026 | 81.7% | 3,022 |
| 10 Jul 2026 | 82.8% | 3,065 |
| 3 Jul 2026 | 83.7% | 3,097 |
| 26 Jun 2026 | 84.5% | 3,125 |
| 19 Jun 2026 | 85.4% | 3,159 |
| 12 Jun 2026 | 86.4% | 3,197 |
| 5 Jun 2026 | 87.3% | 3,230 |
| 29 May 2026 | 88.2% | 3,264 |
| 22 May 2026 | 89.1% | 3,296 |
| 15 May 2026 | 89.9% | 3,325 |
Frequently asked questions
What is the current water level of IRAPE?
As of July 28, 2026, IRAPE is at 80.2% of its capacity, holding approximately 2,966 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is IRAPE reservoir full?
No. As of July 28, 2026, IRAPE is high at 80.2% of its capacity, so it is not full.
Is the water level at IRAPE rising or falling?
The level at IRAPE has been broadly stable over the latest week on record (-0.5 points).
How much water can IRAPE hold?
IRAPE has a total capacity of 5,964 hm³, of which about 3,700 hm³ is usable storage.
Where is IRAPE reservoir located?
IRAPE is located in Minas Gerais, Brazil, within the JEQUITINHONHA basin (coordinates 16.736°S, 42.576°W).
What is IRAPE used for?
IRAPE is used primarily for hydroelectric power, and is managed by ONS.