TELES PIRES
Mato Grosso · AMAZONAS
Capacity
961.11 hm³
Coordinates
-9.351°N, 56.778°W
Operator
ONS
91.6% full
Current fill
91.6%vs 7 days ago
+2.1%gaining
vs 1 year ago
-6.3%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 961.11 hm³ |
| Usable capacity | 70.78 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | TELES PIRES |
| Province | Mato Grosso |
| River basin | AMAZONAS |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -9.351, -56.778 · Open in Google Maps
About TELES PIRES
As of July 29, 2026, TELES PIRES is filled to 91.6% of its total capacity, holding roughly 65 hm³ of water out of a maximum 961 hm³. At this level the reservoir is high. Of that total, about 71 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 2.1 percentage points, and it is 6.3 points below its level on the same date a year earlier.
Across the readings we hold for TELES PIRES — 52 data points between August 15, 2025 and July 29, 2026 — the level has ranged from a low of 87.5% (July 3, 2026) to a high of 102.1% (September 26, 2025). On average the reservoir is fullest around September and at its lowest around July.
It is operated by ONS primarily for hydroelectric power. It lies within the AMAZONAS basin at 9.351°S, 56.778°W.
Key facts
- Current fill level
- 91.6%
- Water stored
- 65 hm³
- Total capacity
- 961 hm³
- Usable capacity
- 71 hm³
- 7-day change
- ▲ 2.1 pts
- Year-on-year
- ▼ 6.3 pts
- Primary use
- Hydroelectric power
- River
- TELES PIRES
- River basin
- AMAZONAS
- Operator
- ONS
- Coordinates
- 9.351°S, 56.778°W
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 91.6% | 65 |
| 24 Jul 2026 | 89.5% | 63 |
| 17 Jul 2026 | 89.5% | 63 |
| 10 Jul 2026 | 93.7% | 66 |
| 3 Jul 2026 | 87.5% | 62 |
| 26 Jun 2026 | 91.6% | 65 |
| 19 Jun 2026 | 93.7% | 66 |
| 12 Jun 2026 | 93.7% | 66 |
| 5 Jun 2026 | 93.7% | 66 |
| 29 May 2026 | 95.8% | 68 |
| 22 May 2026 | 97.9% | 69 |
| 15 May 2026 | 95.8% | 68 |
Frequently asked questions
What is the current water level of TELES PIRES?
As of July 29, 2026, TELES PIRES is at 91.6% of its capacity, holding approximately 65 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is TELES PIRES reservoir full?
No. As of July 29, 2026, TELES PIRES is high at 91.6% of its capacity, so it is not full.
Is the water level at TELES PIRES rising or falling?
The level at TELES PIRES is rising — it gained 2.1 percentage points over the latest week on record.
How much water can TELES PIRES hold?
TELES PIRES has a total capacity of 961 hm³, of which about 71 hm³ is usable storage.
Where is TELES PIRES reservoir located?
TELES PIRES is located in Mato Grosso, Brazil, within the AMAZONAS basin (coordinates 9.351°S, 56.778°W).
What is TELES PIRES used for?
TELES PIRES is used primarily for hydroelectric power, and is managed by ONS.