Solar PV System calculator
Name the job, then choose monthly bill sizing or a full appliance schedule.
Use the monthly kWh on the electric bill when you do not have a load list. Use the load schedule when you can list every appliance.
Enter monthly kWh to see panels and daily energy.
Enter each load by hand. Use the catalog only as a starting wattage — change anything that does not match the site.
Connected load: 0 W
These are installer inputs, not defaults you have to keep. Change panel wattage, sun hours, battery, and prices to match the quotation you intend to give.
Kept in this browser tab, not written to the database.