Solar energy in Palma, Spain
Average irradiation 4.64 kWh/m²/day · ~1355 kWh per kWp per year
Monthly solar irradiation & temperature in Palma (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 2.21 | 12.8 | 54 |
| Feb | 3.06 | 12.3 | 74 |
| Mar | 4.43 | 13.6 | 108 |
| Apr | 5.66 | 15.6 | 138 |
| May | 6.67 | 18.6 | 162 |
| Jun | 7.48 | 22.9 | 182 |
| Jul | 7.28 | 26.0 | 177 |
| Aug | 6.35 | 26.5 | 154 |
| Sep | 4.78 | 24.1 | 116 |
| Oct | 3.49 | 21.2 | 85 |
| Nov | 2.31 | 16.9 | 56 |
| Dec | 1.93 | 14.1 | 47 |
Solar potential of Palma explained
Palma receives an average of 4.64 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 1355 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This places Palma among the stronger solar locations globally — comparable to southern Spain or California.
Frequently asked questions
Is solar worth it in Palma?
With 4.64 kWh/m²/day of average irradiation, a 1 kWp system in Palma produces roughly 1355 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 Palma?
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%.
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