Calculator
Model savings in minutes
Tweak usage, orientation, shade, and battery preferences to see how system sizing and long-term savings change. Bring the results to your design consult.
Inputs
We’ll keep things simple—adjust them to match your home.
Includes equipment + labor for a whole-home system.
Projected system
Illustrative numbers based on the assumptions above.
System size
4.1 kW
~6,396 kWh / yr
Offset
99%
Equipment
$11,480.00
Before incentives
Federal credit
$3,444.00
30% ITC
Net cost
$8,036.00
After credit
Savings outlook
Utility inflation makes solar savings compound over time.
4.5 years
That’s how long it takes for avoided utility costs to offset the net cost of the system.
Year 1 savings
$1,791.00
Compared to doing nothing.
CO₂ avoided
4 tons / yr
Based on PG&E grid mix.