System Sizing Aids


The size of a solar electric system depends on the amount of power that is required (watts), the amount of time used (hours) and the amount of energy available from the sun in a particular area (sun hours per day). The user has control of the first two of these variables, while the third depends on the location.


To download click:

Sun Insolation Chart

System Loads Worksheet

Array Sizing Worksheet

Battery Sizing Worksheet