Kansas / Ottawa
Is solar worth it in Ottawa?
Evergy Kansas Central, Inc averages 14.3¢/kWh. With 4.7 peak sun hours a day, a typical 7.5 kW system makes ~10,358 kWh a year and saves about $1,480 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 Ottawa compares
That is about the same as the Kansas average of 11.9 years, mainly because Ottawa's rate is above the state average of 13.6¢/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 |
|---|---|---|---|
| Gardner | 14.3¢ | 12.0 yrs | $32,898 |
| Lawrence | 14.3¢ | 11.8 yrs | $33,344 |
| Spring Hill | 14.3¢ | 12.0 yrs | $32,898 |
| Olathe | 14.3¢ | 12.0 yrs | $32,898 |
| Lenexa | 14.3¢ | 12.0 yrs | $32,898 |
| Overland Park | 13.1¢ | 12.9 yrs | $28,531 |
| Shawnee | 14.3¢ | 12.0 yrs | $32,898 |
| Topeka | 14.3¢ | 11.8 yrs | $33,344 |
Questions
How long does solar take to pay off in Ottawa, KS?
About 11.8 years for a typical 7.5 kW system at 14.3 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 Ottawa?
Often, if you plan to stay long-term. Our estimate is $1,480 saved in year one and $33,344 net over 25 years after paying for the system.
How much does a solar system cost in Ottawa?
A 7.5 kW system sized for an average home (863 kWh/month) is about $20,625 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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