Solar energy in Efon-Alaaye, Nigeria
Average irradiation 4.59 kWh/m²/day · ~1340 kWh per kWp per year
Monthly solar irradiation & temperature in Efon-Alaaye (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 4.91 | 23.9 | 119 |
| Feb | 4.82 | 25.5 | 117 |
| Mar | 5.01 | 26.1 | 122 |
| Apr | 5.03 | 25.8 | 122 |
| May | 4.89 | 25.2 | 119 |
| Jun | 4.42 | 24.4 | 107 |
| Jul | 3.76 | 23.7 | 91 |
| Aug | 3.53 | 23.5 | 86 |
| Sep | 4.02 | 23.9 | 98 |
| Oct | 4.61 | 24.5 | 112 |
| Nov | 5.07 | 24.7 | 123 |
| Dec | 4.96 | 24.0 | 121 |
Solar potential of Efon-Alaaye explained
Efon-Alaaye receives an average of 4.59 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 1340 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Efon-Alaaye among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Efon-Alaaye?
With 4.59 kWh/m²/day of average irradiation, a 1 kWp system in Efon-Alaaye produces roughly 1340 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 Efon-Alaaye?
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
Cairo (5.9) · Casablanca (5.3) · Lagos (4.6) · Nairobi (5.5) · Johannesburg (5.5) · Cape Town (5.3) · all cities →