6kW System Cost Breakdown
Get installer quotes for Philadelphia
The average cost above is an estimate. Compare real quotes from local installers in Philadelphia.
Compare Solar Quotes — Free →Savings & ROI for 19103
Solar Loan Calculator
Financing a 6kW solar system in Philadelphia? Estimate your monthly payment and total interest below.
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 Philadelphia
Philadelphia (19103) receives an average of 4.27 kWh/m²/day of solar irradiance, based on latitude 39.954°N and Pennsylvania regional weather patterns from NREL data. At the local electricity rate of $0.16/kWh, a 6kW system generates roughly $1,197 per year in bill savings.
Solar Equipment for Your Home
As an Amazon Associate we earn from qualifying purchases.
Nearby Zip Codes in Philadelphia
How We Calculate Solar Costs for 19103
Costs are based on the average price per watt for Pennsylvania ($3.05/W), applied to a standard 6kW residential system. Solar irradiance is derived from NREL PVWatts data for latitude 39.954°N, adjusted for local weather patterns. Electricity rate uses the Pennsylvania EIA average of $0.16/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.