Supporting calculator

Solar Savings Calculator

Use this tool when your main question is how a U.S. household electric bill could change after solar, rather than the install payback itself.

U.S.-focused assumptionsEditable calculator inputsPlanning estimate only

Compare your bill before and after solar

Use this calculator when you want a quick savings estimate without modeling installation cost or payback timing.

Best used when

You already have a rough sense of your post-solar bill and want a fast before-and-after comparison that stays easy to update.

Live results10 year outlook

Projected savings over 10 years

$24,074

This scenario assumes a monthly bill drop from $210 to $35, with utility-rate growth compounding over time.

Monthly savings

$175

Difference between current and expected bills.

Year-one savings

$2,100

Estimated first-year bill reduction.

Current monthly bill

$210

What you spend before a solar scenario.

After-solar bill

$35

Your working estimate after solar is installed.

Planning note

Results assume 3% annual utility-rate growth and do not include installation cost, financing, maintenance, or local tariff details.

Assumptions

What this estimate includes

  • This calculator assumes the difference between your before and after bill is your savings.
  • Projected savings use a constant annual utility inflation assumption.