Off-grid solar sizing in France
What a year-round off-grid system costs you in 5 cities, sized against the worst month rather than the annual average.
| City | Annual per kW | Worst month | Array for 3 kWh/day | Seasonal swing |
|---|---|---|---|---|
| Paris | 1,143 kWh | December | 2.97 kW | 3.1× |
| Lille | 1,074 kWh | December | 3.43 kW | 3.5× |
| Roubaix | 1,075 kWh | December | 3.54 kW | 3.7× |
| Tourcoing | 1,072 kWh | December | 3.48 kW | 3.6× |
| Dunkirk | 1,113 kWh | December | 3.42 kW | 3.7× |
Panel angles matter as much as panel count. Solar panel angles in France →