Off-grid solar sizing in Poland
What a year-round off-grid system costs you in 28 cities, sized against the worst month rather than the annual average.
| City | Annual per kW | Worst month | Array for 3 kWh/day | Seasonal swing |
|---|---|---|---|---|
| Warsaw | 1,053 kWh | December | 4.80 kW | 5.2× |
| Kraków | 1,085 kWh | December | 3.19 kW | 3.3× |
| Wrocław | 1,094 kWh | December | 3.40 kW | 3.5× |
| Łódź | 1,062 kWh | December | 4.39 kW | 4.7× |
| Poznań | 1,057 kWh | December | 4.76 kW | 5.0× |
| Gdańsk | 1,057 kWh | December | 5.10 kW | 5.7× |
| Szczecin | 1,008 kWh | December | 5.51 kW | 5.8× |
| Lublin | 1,081 kWh | December | 4.50 kW | 5.0× |
| Bydgoszcz | 1,029 kWh | December | 4.85 kW | 5.0× |
| Białystok | 1,017 kWh | December | 5.77 kW | 6.3× |
| Katowice | 1,066 kWh | December | 3.43 kW | 3.5× |
| Gdynia | 1,026 kWh | December | 5.24 kW | 5.8× |
| Częstochowa | 1,067 kWh | December | 3.69 kW | 3.8× |
| Radom | 1,080 kWh | December | 4.08 kW | 4.4× |
| Gliwice | 1,081 kWh | December | 3.51 kW | 3.6× |
| Rzeszów | 1,086 kWh | December | 3.64 kW | 3.8× |
| Toruń | 1,041 kWh | December | 4.87 kW | 5.1× |
| Kielce | 1,068 kWh | December | 4.01 kW | 4.3× |
| Olsztyn | 1,013 kWh | December | 5.95 kW | 6.3× |
| Rybnik | 1,074 kWh | December | 3.46 kW | 3.6× |
| Tychy | 1,069 kWh | December | 3.35 kW | 3.4× |
| Opole | 1,095 kWh | December | 3.41 kW | 3.6× |
| Elbląg | 1,033 kWh | December | 5.91 kW | 6.5× |
| Płock | 1,057 kWh | December | 4.73 kW | 5.2× |
| Wałbrzych | 1,025 kWh | December | 3.95 kW | 3.9× |
| Włocławek | 1,042 kWh | December | 4.95 kW | 5.3× |
| Zielona Góra | 1,053 kWh | December | 4.08 kW | 4.2× |
| Tarnów | 1,081 kWh | December | 3.40 kW | 3.5× |
Panel angles matter as much as panel count. Solar panel angles in Poland →