Solar energy in Porto Velho, Brazil
Average irradiation 4.77 kWh/m²/day · ~1393 kWh per kWp per year
Monthly solar irradiation & temperature in Porto Velho (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 4.59 | 25.6 | 112 |
| Feb | 4.48 | 25.6 | 109 |
| Mar | 4.53 | 25.6 | 110 |
| Apr | 4.56 | 25.6 | 111 |
| May | 4.46 | 25.3 | 109 |
| Jun | 4.88 | 25.4 | 119 |
| Jul | 5.27 | 26.4 | 128 |
| Aug | 5.17 | 28.3 | 126 |
| Sep | 5.00 | 29.0 | 121 |
| Oct | 5.07 | 28.2 | 123 |
| Nov | 4.77 | 27.2 | 116 |
| Dec | 4.45 | 26.1 | 108 |
Solar potential of Porto Velho explained
Porto Velho receives an average of 4.77 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 1393 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Porto Velho among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Porto Velho?
With 4.77 kWh/m²/day of average irradiation, a 1 kWp system in Porto Velho produces roughly 1393 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 Porto Velho?
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 →