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Solar Panel ROI in Kauai County, HI

Is going solar worth it in Kauai County? Here are the numbers.

Avg System Cost

$29,716

After Tax Credit (30%)

$20,801

Est. Payback Period

2.9 yrs

25-Year ROI

751%

Solar Economics in Kauai County

Investment Breakdown

System Cost (est.)$29,716
Federal Tax Credit (30%)-$8,915

Net Cost$20,801

Annual Savings

Est. Annual Energy Savings$7,081
Median Home Value$742,900

Median Household Income$88,869

About Kauai County, Hawaii

Kauai County in Hawaii has a median household income of $88,869 and median home value of $742,900. With an estimated payback period of 2.9 years, solar is a strong investment for homeowners in this area.

These estimates use county-level medians and national averages for solar irradiance. Your actual ROI depends on roof orientation, shading, local utility rates, and available state/local incentives beyond the federal 30% ITC.

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Other Counties in Hawaii

County-level data from U.S. Census Bureau American Community Survey (ACS) 2022 5-Year Estimates. Additional sources: EIA, NREL, DSIRE. Solar cost estimates based on county-level home values and national averages. This is not financial advice.