IRAPE
Minas Gerais · JEQUITINHONHA
Capacity
5,963.92 hm³
Coordinates
-16.736°N, 42.576°W
Operator
ONS
70.6% full
Current fill
70.6%vs 7 days ago
-1.3%losing
vs 1 year ago
N/A7-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 September 9, 2026, IRAPE is filled to 70.6% of its total capacity, holding roughly 2,612 hm³ of water out of a maximum 5,964 hm³. At this level the reservoir is within its normal operating range. 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 (-1.3 pts).
Across the readings we hold for IRAPE — 52 data points between September 26, 2025 and September 9, 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
- 70.6%
- Water stored
- 2,612 hm³
- Total capacity
- 5,964 hm³
- Usable capacity
- 3,700 hm³
- 7-day change
- ▼ 1.3 pts
- Primary use
- Hydroelectric power
- River
- JEQUITINHONHA
- River basin
- JEQUITINHONHA
- Operator
- ONS
- Coordinates
- 16.736°S, 42.576°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 70.6% | 2,612 |
| 4 Sep 2026 | 71.9% | 2,659 |
| 28 Aug 2026 | 73.6% | 2,725 |
| 21 Aug 2026 | 75.4% | 2,788 |
| 14 Aug 2026 | 77.0% | 2,851 |
| 7 Aug 2026 | 78.5% | 2,905 |
| 31 Jul 2026 | 79.6% | 2,945 |
| 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 |