howmuchsun

Off-grid solar sizing in San Marino

What a year-round off-grid system costs you in 1 city, sized against the worst month rather than the annual average.

CityAnnual per kWWorst monthArray for 3 kWh/daySeasonal swing
Serravalle 1,351 kWh December 1.91 kW 2.4×

How these figures are calculated