Free Tool
Solar System Sizer
Add your appliances (any device, not just the list), set your site's sun hours, then choose the real panel, inverter and battery you want, from Jinko Solar, JA Solar, SRNE and Aurora's actual lineups.
Site Conditions
Typical annual average. Always editable, confirm against a solar resource map for the exact site.
Adding Loads To
Sizing a building with several apartments or shops? Name each section here before adding its appliances, the report breaks down every section before combining them into one system.
Quick-Add Common Appliances
Not on the list? Add anything by name and wattage
Your Results Will Appear Here
Add your appliances from the left panel, adjust the values, then click Calculate.