Solar energy in Zaragoza, Spain
Average irradiation 4.62 kWh/m²/day · ~1349 kWh per kWp per year
Monthly solar irradiation & temperature in Zaragoza (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.03 | 6.1 | 49 |
| Feb | 3.09 | 6.7 | 75 |
| Mar | 4.37 | 10.2 | 106 |
| Apr | 5.53 | 13.4 | 134 |
| May | 6.63 | 17.4 | 161 |
| Jun | 7.33 | 22.4 | 178 |
| Jul | 7.47 | 25.1 | 182 |
| Aug | 6.49 | 24.9 | 158 |
| Sep | 5.03 | 20.5 | 122 |
| Oct | 3.47 | 15.9 | 84 |
| Nov | 2.27 | 9.7 | 55 |
| Dec | 1.75 | 6.4 | 43 |
Solar potential of Zaragoza explained
Zaragoza receives an average of 4.62 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 1349 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Zaragoza among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Zaragoza?
With 4.62 kWh/m²/day of average irradiation, a 1 kWp system in Zaragoza produces roughly 1349 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 Zaragoza?
Approximately 7,000 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%.
Compare with nearby cities
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