Solar Panel Cost in Philadelphia, PA (2026)
Solar panel costs in Philadelphia, PA typically run above the Pennsylvania state average. A 6 kW system in Philadelphia costs about $18,150 before the 30% federal ITC, with payback around 9 years at local utility rates.
Quick answer
In Philadelphia, a 6 kW solar panel system costs about $18,150 installed (9-year payback). After the 30% federal tax credit, net cost is roughly $12,700. Annual savings: ~$1,290/year at 16.5¢/kWh.
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Estimate for Pennsylvania
$7,700net after 30% ITC
~4 kW · 10 panels · $11,000 before credits · 16.5¢/kWh
Annual savings
$860
Payback
9 yrs
25-year savings
$22,586
25-year savings timeline
Includes ~3% utility rate growth & 0.5%/yr panel degradation
Philadelphia vs US Average
| Metric | PA | US avg |
|---|---|---|
| 6 kW system (before credit) | $18,150 | $16,271 |
| Net cost after 30% ITC | $12,700 | $11,390 |
| Cost per watt | $0.00/W | — |
| Annual electricity savings | $1,290 | $1,335 |
| Payback period (years) | 9 yrs | 9 yrs |
| Electricity rate | 16.5¢/kWh | — |
Updated 2026-07-07. Estimates only.
What affects solar costs in Philadelphia?
PECO territory with net metering at retail credit. Philly row homes may have limited roof area — prioritize high-efficiency panels.
Pennsylvania SREC market adds supplemental income in some years — verify current SREC pricing.
Philadelphia install costs near Northeast average; payback often 10–13 years.
Philadelphia solar snapshot
- 6 kW system: $14,150 – $24,950
- After 30% ITC: $12,700
- Electric rate: 16.5¢/kWh · Peak sun: 4.2 hrs/day
- Payback: ~9 years · Annual savings: ~$1,290
How to maximize solar ROI in Philadelphia
- Verify PECO interconnection
- Row home? Check roof usable area
- Compare Philly vs. suburban Montgomery County
Frequently Asked Questions
How much do solar panels cost in Philadelphia?
A 6 kW solar system in Philadelphia, PA typically costs $14,150–$24,950 before incentives, or $12,700 after the 30% federal tax credit.
Is solar worth it in Philadelphia?
With 16.5¢/kWh electricity rates and 4.2 peak sun hours, Philadelphia homeowners often see 9-year payback. Use our calculator for your roof and usage.
How does Philadelphia compare to Pennsylvania?
Philadelphia install pricing is among the higher-cost metros in Pennsylvania.
Related pages
How We Calculate Solar Costs
MySunROI estimates combine NREL residential PV installed-price benchmarks, EIA state electricity rates, and regional labor modifiers — updated 2026-07-07.
Estimates only. Last updated 2026-07-07. Estimates based on NREL PV cost benchmarks, EIA electricity rates, and 2026 installer pricing surveys.