Module 01
Solar Generation
& Sizing Tools
Estimate your monthly solar power output using precise astronomical math, and validate your wire gauges against strict NEC voltage drop thresholds.
Location
Enter ZIP or pick on map.
or
Invalid ZIP code.
Solar Array
Configure your solar system.
Adjust panel orientation and azimuth
Battery Storage
Add a home battery to your system.
DC Wire Gauge & Voltage Drop Calculator
Calculate the safe AWG required to carry your load while maintaining a less than 3% voltage drop over the run distance.
100A
10 ft
Recommended Wire Size
6 AWG
Rated for up to 101A. Use pure copper stranded wire with 105°C insulation.
Est. Voltage Drop0.79V (1.65%)