Solar energy in Thessaloníki, Greece
Average irradiation 4.31 kWh/m²/day · ~1259 kWh per kWp per year
Monthly solar irradiation & temperature in Thessaloníki (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 1.87 | 4.5 | 45 |
| Feb | 2.67 | 6.0 | 65 |
| Mar | 3.79 | 9.2 | 92 |
| Apr | 5.03 | 13.0 | 122 |
| May | 6.12 | 18.7 | 149 |
| Jun | 6.98 | 23.9 | 170 |
| Jul | 7.18 | 27.0 | 175 |
| Aug | 6.38 | 26.9 | 155 |
| Sep | 4.72 | 21.8 | 115 |
| Oct | 3.21 | 16.0 | 78 |
| Nov | 2.10 | 10.9 | 51 |
| Dec | 1.63 | 5.9 | 40 |
Solar potential of Thessaloníki explained
Thessaloníki receives an average of 4.31 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 1259 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 Thessaloníki?
With 4.31 kWh/m²/day of average irradiation, a 1 kWp system in Thessaloníki produces roughly 1259 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 Thessaloníki?
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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