PVGIS · SolarMapped
Solar potential in Rio de Janeiro
This estimate represents one coordinate near the city center, not every roof or neighborhood.
Explore on the solar map ↗Annual values
PV output is estimated electricity from 1 kWp of installed solar panels. Irradiation is sunlight energy received per square meter on the optimally tilted panel plane; it is not electricity.
For a 5 kWp system, multiply the electricity values by five. This simple scaling does not account for roof-specific shading or equipment constraints.
Compared with the sampled-city benchmark: +1.9% (1,389kWh/kWp/year). These figures are the unweighted mean of the city locations listed below, not a national average. Two urban points do not represent an entire country, its roofs or its solar installations.
Monthly solar irradiation and PV output
Highest-output month: March · 132.6kWh/kWp/month. Lowest-output month: June · 103kWh/kWp/month.
| Month | Estimated PV output (kWh/kWp/month) | Solar irradiation (kWh/m²/month) |
|---|---|---|
| January | 128.5 | 174.6 |
| February | 127 | 172.6 |
| March | 132.6 | 179.3 |
| April | 121.2 | 161.8 |
| May | 110.8 | 145.8 |
| June | 103 | 134.6 |
| July | 112.4 | 147 |
| August | 117.7 | 154.5 |
| September | 112.7 | 148.7 |
| October | 113.9 | 151.5 |
| November | 112.3 | 149.8 |
| December | 124.5 | 166.8 |
More cities in Brazil
Data and methodology
PVGIS 5.3 (European Commission Joint Research Centre), crystalline silicon, fixed free-standing installation, 1 kWp, 14% system losses, equator-facing panels with optimized tilt and the terrain horizon. Long-term climate estimates are not a forecast or a roof survey. Nearby buildings, trees, roof constraints, snow and local conditions can change actual output.
- Rio de Janeiro — Reference coordinates: -22.91, -43.17; Climate dataset / years: PVGIS-SARAH3 / 2005–2023; Data retrieved: .
PVGIS methodology · Sources and assumptions (English) · Download the underlying data (JSON)