Solar energy in Białystok, Poland
Average irradiation 2.95 kWh/m²/day · ~861 kWh per kWp per year
Monthly solar irradiation & temperature in Białystok (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 0.62 | -5.3 | 15 |
| Feb | 1.34 | -3.9 | 33 |
| Mar | 2.67 | 1.1 | 65 |
| Apr | 4.14 | 7.5 | 101 |
| May | 5.27 | 13.5 | 128 |
| Jun | 5.67 | 17.1 | 138 |
| Jul | 5.30 | 19.9 | 129 |
| Aug | 4.50 | 19.2 | 110 |
| Sep | 3.15 | 13.8 | 77 |
| Oct | 1.62 | 7.3 | 39 |
| Nov | 0.64 | 2.5 | 15 |
| Dec | 0.42 | -2.5 | 10 |
Solar potential of Białystok explained
Białystok receives an average of 2.95 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 861 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 Białystok?
With 2.95 kWh/m²/day of average irradiation, a 1 kWp system in Białystok produces roughly 861 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 Białystok?
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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