Solar energy in Caxias do Sul, Brazil
Average irradiation 4.53 kWh/m²/day · ~1323 kWh per kWp per year
Monthly solar irradiation & temperature in Caxias do Sul (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 6.32 | 21.8 | 154 |
| Feb | 5.89 | 21.7 | 143 |
| Mar | 5.00 | 20.3 | 122 |
| Apr | 3.93 | 17.7 | 96 |
| May | 2.89 | 14.1 | 70 |
| Jun | 2.45 | 12.5 | 60 |
| Jul | 2.71 | 11.9 | 66 |
| Aug | 3.40 | 13.5 | 83 |
| Sep | 3.99 | 15.1 | 97 |
| Oct | 4.94 | 17.5 | 120 |
| Nov | 6.20 | 18.9 | 151 |
| Dec | 6.56 | 20.9 | 159 |
Solar potential of Caxias do Sul explained
Caxias do Sul receives an average of 4.53 kilowatt-hours of solar energy per square metre per day, measured over four decades of satellite observation. In practical terms, every kilowatt-peak of installed PV capacity yields about 1323 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Caxias do Sul among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Caxias do Sul?
With 4.53 kWh/m²/day of average irradiation, a 1 kWp system in Caxias do Sul produces roughly 1323 kWh per year. That is an excellent solar resource — payback periods are typically among the shortest worldwide.
How much electricity would a 5 kW system produce in Caxias do Sul?
Approximately 7,000 kWh per year — enough to cover a large share of a typical household's consumption.
What data is this based on?
Long-term satellite observations from NASA POWER (1981–present) and the PVGIS SARAH3 database, assuming a performance ratio of 80%.
Compare with nearby cities
São Paulo (4.5) · Rio de Janeiro (4.8) · Buenos Aires (4.6) · Santiago (5) · Bogotá (4.4) · Lima (5.1) · all cities →