Solar energy in Juiz de Fora, Brazil
Average irradiation 4.68 kWh/m²/day · ~1367 kWh per kWp per year
Monthly solar irradiation & temperature in Juiz de Fora (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 5.66 | 23.2 | 138 |
| Feb | 5.76 | 23.1 | 140 |
| Mar | 5.07 | 22.4 | 123 |
| Apr | 4.43 | 21.0 | 108 |
| May | 3.69 | 18.5 | 90 |
| Jun | 3.51 | 17.8 | 85 |
| Jul | 3.77 | 17.5 | 92 |
| Aug | 4.36 | 18.8 | 106 |
| Sep | 4.71 | 20.7 | 114 |
| Oct | 4.98 | 22.3 | 121 |
| Nov | 4.89 | 22.1 | 119 |
| Dec | 5.38 | 22.9 | 131 |
Solar potential of Juiz de Fora explained
Juiz de Fora receives an average of 4.68 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 1367 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Juiz de Fora among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Juiz de Fora?
With 4.68 kWh/m²/day of average irradiation, a 1 kWp system in Juiz de Fora produces roughly 1367 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 Juiz de Fora?
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 →