howmuchsun

Off-grid solar sizing in Isle of Man

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
Douglas 1,039 kWh December 5.30 kW 5.9×

How these figures are calculated