Solar energy in Yerevan, Armenia
Average irradiation 4.25 kWh/m²/day · ~1241 kWh per kWp per year
Monthly solar irradiation & temperature in Yerevan (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.24 | -0.3 | 55 |
| Feb | 3.14 | 2.3 | 76 |
| Mar | 3.61 | 7.5 | 88 |
| Apr | 4.49 | 12.5 | 109 |
| May | 5.62 | 17.9 | 137 |
| Jun | 6.72 | 23.5 | 163 |
| Jul | 6.67 | 27.2 | 162 |
| Aug | 6.14 | 27.0 | 149 |
| Sep | 4.99 | 22.0 | 121 |
| Oct | 3.35 | 15.0 | 81 |
| Nov | 2.22 | 6.8 | 54 |
| Dec | 1.75 | 1.3 | 43 |
Solar potential of Yerevan explained
Yerevan receives an average of 4.25 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 1241 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This is a solid mid-range solar resource: production is meaningful year-round, though winter output drops noticeably.
Frequently asked questions
Is solar worth it in Yerevan?
With 4.25 kWh/m²/day of average irradiation, a 1 kWp system in Yerevan produces roughly 1241 kWh per year. That is a good solar resource; with current panel prices most systems pay back well within their lifetime.
How much electricity would a 5 kW system produce in Yerevan?
Approximately 6,000 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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