Solar energy in Stockholm, Sweden
Average irradiation 2.78 kWh/m²/day · ~812 kWh per kWp per year
Monthly solar irradiation & temperature in Stockholm (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 0.28 | -3.1 | 7 |
| Feb | 0.84 | -2.7 | 20 |
| Mar | 2.21 | 0.1 | 54 |
| Apr | 4.02 | 5.1 | 98 |
| May | 5.46 | 10.5 | 133 |
| Jun | 6.04 | 15.1 | 147 |
| Jul | 5.64 | 18.4 | 137 |
| Aug | 4.41 | 17.4 | 107 |
| Sep | 2.74 | 12.8 | 67 |
| Oct | 1.21 | 6.9 | 29 |
| Nov | 0.40 | 2.5 | 10 |
| Dec | 0.18 | -1.2 | 4 |
Solar potential of Stockholm explained
Stockholm receives an average of 2.78 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 812 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. While winters are dark, modern panel prices mean solar can still be economical — self-consumption value matters more than raw sunshine here.
Frequently asked questions
Is solar worth it in Stockholm?
With 2.78 kWh/m²/day of average irradiation, a 1 kWp system in Stockholm produces roughly 812 kWh per year. That is a moderate solar resource; economics depend more on local electricity prices and incentives, which our AI planner can research for you.
How much electricity would a 5 kW system produce in Stockholm?
Approximately 4,000 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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