Solar energy in Petrozavodsk, Russia
Average irradiation 2.5 kWh/m²/day · ~730 kWh per kWp per year
Monthly solar irradiation & temperature in Petrozavodsk (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 0.24 | -12.5 | 6 |
| Feb | 0.87 | -11.2 | 21 |
| Mar | 2.28 | -5.6 | 55 |
| Apr | 3.86 | 2.1 | 94 |
| May | 4.96 | 9.9 | 121 |
| Jun | 5.40 | 14.5 | 131 |
| Jul | 5.03 | 18.0 | 122 |
| Aug | 3.85 | 15.8 | 94 |
| Sep | 2.24 | 10.6 | 54 |
| Oct | 0.89 | 3.0 | 22 |
| Nov | 0.27 | -4.2 | 7 |
| Dec | 0.12 | -9.2 | 3 |
Solar potential of Petrozavodsk explained
Petrozavodsk receives an average of 2.5 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 730 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 Petrozavodsk?
With 2.5 kWh/m²/day of average irradiation, a 1 kWp system in Petrozavodsk produces roughly 730 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 Petrozavodsk?
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%.
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