How much do solar panels cost in 40202?

A standard 6kW residential solar system in 40202 (Louisville, KY) costs approximately $16,500 before incentives. After the 30% federal Investment Tax Credit, the net cost is $11,550.

How much will I save with solar panels in 40202?

Homeowners in 40202 can expect to save approximately $956 per year on electricity bills with a 6kW solar system, for a total of around $23,900 over 25 years.

How long is the payback period for solar in 40202?

The estimated payback period for a 6kW solar installation in 40202 is 12.1 years after the federal tax credit. This is based on 4.62 kWh/m²/day average solar irradiance and local electricity rates of $0.118/kWh.

Solar Panel Cost in 40202

Last updated April 14, 2026 · Source: NREL and SEIA

Louisville, Kentucky · Moderate ROI

Payback 12.1 years

6kW System Cost Breakdown

Gross Installation Cost $16,500 $2.75/W installed

Federal Tax Credit (30%) −$4,950 ITC through 2032

Net Cost After Credit $11,550 Your out-of-pocket cost

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Savings & ROI for 40202

Annual Electricity Savings $956 At $0.118/kWh local rate

Annual Solar Production 8,100 kWh 4.62 kWh/m²/day irradiance

Break-Even Point 12.1 years Moderate ROI

25-Year Net Savings +$12,350 After total system cost

Solar Loan Calculator

Financing a 6kW solar system in Louisville? Estimate your monthly payment and total interest below.

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Assumes fixed-rate loan. Actual rates vary by lender and credit score. Solar-specific loans from Mosaic, GoodLeap, or Sunlight often offer lower rates than personal loans.

Solar Resource in Louisville

Louisville (40202) receives an average of 4.62 kWh/m²/day of solar irradiance, based on latitude 38.254°N and Kentucky regional weather patterns from NREL data. At the local electricity rate of $0.118/kWh, a 6kW system generates roughly $956 per year in bill savings.

Solar irradiance vs. US average (4.5 kWh/m²/day)

07.5 kWh/m²/day

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Nearby Zip Codes in Louisville

40201 Louisville, KY 12.1 yr payback $956/yr savings 40203 Louisville, KY 12.1 yr payback $956/yr savings 40204 Louisville, KY 12.1 yr payback $956/yr savings 40206 Louisville, KY 12.1 yr payback $956/yr savings

How We Calculate Solar Costs for 40202

Costs are based on the average price per watt for Kentucky ($2.75/W), applied to a standard 6kW residential system. Solar irradiance is derived from NREL PVWatts data for latitude 38.254°N, adjusted for local weather patterns. Electricity rate uses the Kentucky EIA average of $0.118/kWh.

The 30% federal Investment Tax Credit (ITC) applies as a credit against your federal income tax liability. Many states offer additional credits; check your state's energy office for local incentives.