howmuchsun

Off-grid solar sizing in El Salvador

What a year-round off-grid system costs you in 3 cities, sized against the worst month rather than the annual average.

CityAnnual per kWWorst monthArray for 3 kWh/daySeasonal swing
San Salvador 1,583 kWh June 1.12 kW 1.4×
Soyapango 1,592 kWh June 1.12 kW 1.4×
San Miguel 1,671 kWh June 1.04 kW 1.3×

How these figures are calculated