Solar energy in Yazd, Iran
Average irradiation 5.88 kWh/m²/day · ~1717 kWh per kWp per year
Monthly solar irradiation & temperature in Yazd (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 3.57 | 4.5 | 87 |
| Feb | 4.47 | 6.8 | 109 |
| Mar | 5.70 | 12.0 | 139 |
| Apr | 6.49 | 17.4 | 158 |
| May | 7.45 | 23.2 | 181 |
| Jun | 8.24 | 27.6 | 200 |
| Jul | 7.95 | 29.3 | 193 |
| Aug | 7.58 | 27.4 | 184 |
| Sep | 6.58 | 23.9 | 160 |
| Oct | 5.24 | 18.4 | 128 |
| Nov | 3.92 | 10.7 | 95 |
| Dec | 3.35 | 6.0 | 81 |
Solar potential of Yazd explained
Yazd receives an average of 5.88 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 1717 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Yazd among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Yazd?
With 5.88 kWh/m²/day of average irradiation, a 1 kWp system in Yazd produces roughly 1717 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 Yazd?
Approximately 9,000 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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