Pennsylvania / Washington
Is solar worth it in Washington?
West Penn Power Company averages 10.6¢/kWh. With 4.1 peak sun hours a day, a typical 8.6 kW system makes ~10,389 kWh a year and saves about $1,101 in year one.
No federal tax credit is included. The 30% homeowner credit (IRS §25D) ended for systems installed after Dec 31, 2025. What changed in 2026 →
How Washington compares
That is slower than the Pennsylvania average of 12.3 years, mainly because Washington's rate is below the state average of 15.5¢/kWh. Your own payback depends on your bill: enter your ZIP and monthly bill above for your number.
| Nearby city | Rate | Payback | 25-yr net |
|---|---|---|---|
| Bethel Park | 21.7¢ | 9.3 yrs | $58,471 |
| Jefferson Hills | 21.7¢ | 9.3 yrs | $58,471 |
| Whitehall | 21.7¢ | 9.3 yrs | $58,471 |
| Baldwin | 21.7¢ | 9.3 yrs | $58,471 |
| West Mifflin | 21.7¢ | 9.3 yrs | $58,471 |
| Pittsburgh | 21.7¢ | 9.3 yrs | $58,471 |
| Munhall | 21.7¢ | 9.3 yrs | $58,471 |
| McKeesport | 21.7¢ | 9.3 yrs | $58,471 |
Questions
How long does solar take to pay off in Washington, PA?
About 16.8 years for a typical 8.6 kW system at 10.6 cents/kWh, assuming $2.75/W installed, full net metering and 3% yearly rate increases, with no federal tax credit.
Is solar worth it in Washington?
Only in some cases; payback is long. Our estimate is $1,101 saved in year one and $16,490 net over 25 years after paying for the system.
How much does a solar system cost in Washington?
A 8.6 kW system sized for an average home (863 kWh/month) is about $23,650 before any local rebates, at $2.75 per watt. Real quotes vary by roof and installer.
Is there a federal solar tax credit in 2026?
Not for homeowners who buy their system. The 30% Residential Clean Energy Credit (IRS section 25D) does not apply to installations completed after December 31, 2025. State rebates, SRECs and utility incentives may still apply.
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