Free · 3,230 U.S. counties · NREL + EIA data
How much can you
save with solar?
Enter your location to see real payback, savings and the federal tax credit — based on your local sun and electricity rates.
Los Angeles County, CA
Solar looks great here
Annual savings $1,535
Payback 8.2yrs
Net cost after 30% ITC$12,600
25-year savings$43,365
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Your estimate
System size8.7kW
Net cost (after ITC)$18,236
Annual savings$1,920
Payback9.5yrs
Est. $51,766 saved over 25 years.
Get matched with installers Estimate sizes a system to offset ~100% of your usage. Actual quotes vary by roof & installer.
STEP 1
Pick your location
We pull local sun hours from NREL PVWatts and your utility rate from NREL / EIA.
STEP 2
See your economics
System size, net cost after the 30% tax credit, annual savings and payback period.
STEP 3
Compare real quotes
Get matched with vetted local installers — free, with no obligation.
Estimates only — not financial advice
SunWorth is not affiliated with NREL, the DOE or EIA. Figures are modeled estimates; actual savings depend on
your roof, shading, usage and installer quote. Data: NREL PVWatts v8 + EIA, last updated June 2026.