Homeowner reviewing a solar savings estimate beside a sunlit rooftop array

Solar savings calculator.

A detailed, personal estimate — built from your bill, your state, your home size and your roof.

Average monthly bill

$220

Home size (sq ft)

2,000

State

Roof type

System size

4.9 kW

Est. system cost

$15,600

Payback period

7.6 yrs

CO₂ offset / yr

8,311 lbs

Monthly savings

$172

Annual savings

$2,059

25-year savings

$51,500

Your bill, before & after

Before solar
$220
After solar
$48

Saves about $172 a month.

This is an estimate, not a quote. It excludes the federal solar tax credit and any state or utility incentives — your free site survey confirms exactly which ones apply to your address and gives you an exact price.

Request my free survey