howmuchsun

Off-grid solar sizing in Czechia

What a year-round off-grid system costs you in 4 cities, sized against the worst month rather than the annual average.

CityAnnual per kWWorst monthArray for 3 kWh/daySeasonal swing
Prague 1,095 kWh December 3.39 kW 3.6×
Brno 1,129 kWh December 3.58 kW 3.9×
Ostrava 1,064 kWh December 3.33 kW 3.4×
Liberec 999 kWh December 4.95 kW 5.0×

How these figures are calculated