Solar energy in Ta‘izz, Yemen
Average irradiation 6.19 kWh/m²/day · ~1807 kWh per kWp per year
Monthly solar irradiation & temperature in Ta‘izz (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 5.25 | 23.1 | 128 |
| Feb | 6.03 | 24.5 | 147 |
| Mar | 6.70 | 26.6 | 163 |
| Apr | 6.90 | 28.3 | 168 |
| May | 6.78 | 29.8 | 165 |
| Jun | 6.52 | 30.0 | 159 |
| Jul | 6.09 | 28.7 | 148 |
| Aug | 6.26 | 27.8 | 152 |
| Sep | 6.17 | 28.7 | 150 |
| Oct | 6.44 | 27.3 | 157 |
| Nov | 5.85 | 25.3 | 142 |
| Dec | 5.33 | 23.5 | 130 |
Solar potential of Ta‘izz explained
Ta‘izz receives an average of 6.19 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 1807 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Ta‘izz among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Ta‘izz?
With 6.19 kWh/m²/day of average irradiation, a 1 kWp system in Ta‘izz produces roughly 1807 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 Ta‘izz?
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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