Solar energy in Khomeynī Shahr, Iran
Average irradiation 5.77 kWh/m²/day · ~1685 kWh per kWp per year
Monthly solar irradiation & temperature in Khomeynī Shahr (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 3.35 | 1.3 | 82 |
| Feb | 4.37 | 3.3 | 106 |
| Mar | 5.56 | 7.7 | 135 |
| Apr | 6.27 | 12.7 | 152 |
| May | 7.39 | 18.8 | 180 |
| Jun | 8.38 | 24.9 | 204 |
| Jul | 7.94 | 27.4 | 193 |
| Aug | 7.56 | 25.9 | 184 |
| Sep | 6.54 | 21.9 | 159 |
| Oct | 5.05 | 15.8 | 123 |
| Nov | 3.69 | 7.5 | 90 |
| Dec | 3.13 | 2.9 | 76 |
Solar potential of Khomeynī Shahr explained
Khomeynī Shahr receives an average of 5.77 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 1685 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Khomeynī Shahr among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Khomeynī Shahr?
With 5.77 kWh/m²/day of average irradiation, a 1 kWp system in Khomeynī Shahr produces roughly 1685 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 Khomeynī Shahr?
Approximately 8,000 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%.
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