Solar Calculators for Philadelphia, Pennsylvania
Free tools pre-loaded with Philadelphia sun hours, electricity rates, and Pennsylvania net metering policy.
Peak sun hours
4.1
hrs/day annual avg
Avg electricity rate
14.0¢
per kWh (PECO)
Typical install cost
$2.95/W
Pennsylvania median (2026)
Typical 8 kW system in Philadelphia
Annual production
11,972 kWh
Year-1 savings
$1,676
System cost (est.)
$23,600
Simple payback
~14 yrs
Estimates based on 4.1 peak sun hours, 14.0¢/kWh, and $2.95/W installed cost. No federal tax credit (Section 25D expired Dec 31, 2025).
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kW needed from your bill
Pre-filled for Philadelphia →Savings calculator
25-year savings & ROI
Pre-filled for Philadelphia →Payback period
Break-even analysis
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Address-based production
Pre-filled for Philadelphia →TOU optimizer
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Pre-filled for Philadelphia →Pennsylvania solar incentives
Available to Philadelphia homeowners. Note: the federal Section 25D residential solar credit expired December 31, 2025.
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