Solar energy in Oslo, Norway
Average irradiation 2.65 kWh/m²/day · ~774 kWh per kWp per year
Monthly solar irradiation & temperature in Oslo (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 0.30 | -5.9 | 7 |
| Feb | 0.88 | -5.4 | 22 |
| Mar | 2.29 | -1.8 | 56 |
| Apr | 3.77 | 4.1 | 92 |
| May | 5.05 | 9.6 | 123 |
| Jun | 5.78 | 13.8 | 140 |
| Jul | 5.20 | 16.1 | 127 |
| Aug | 4.05 | 14.8 | 98 |
| Sep | 2.67 | 10.5 | 65 |
| Oct | 1.24 | 4.5 | 30 |
| Nov | 0.43 | -0.5 | 10 |
| Dec | 0.19 | -4.9 | 5 |
Solar potential of Oslo explained
Oslo receives an average of 2.65 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 774 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 Oslo?
With 2.65 kWh/m²/day of average irradiation, a 1 kWp system in Oslo produces roughly 774 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 Oslo?
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
London (2.6) · Paris (3.2) · Berlin (2.9) · Munich (3.3) · Madrid (4.8) · Barcelona (4.6) · all cities →