Solar panels in Oklahoma
Roofs across Oklahoma get about 1,755 hours of usable sunlight a year, and electricity costs 12.1¢/kWh. That combination puts a typical system's payback at 11.5 years. Here's the detail, from real rooftop data across 10 Oklahoma cities.
Check your own roof in Oklahoma → These are regional figures; your roof's size, pitch and shading move them a lot.
How Oklahoma compares
Oklahoma gets more sunlight than 78% of the cities we measure, and its electricity costs more than 10% of states and provinces. Both matter, but not equally: the electricity rate usually matters more, because solar saves money by replacing power you would otherwise buy. A sunny state with cheap power often pays back slower than a cloudy state with expensive power. Why that happens →
Solar by city in Oklahoma
| City | Sun hrs/yr | Panels | Net cost | Payback |
|---|---|---|---|---|
| Lawton | 1,863 | 18 | $14,364 | 10.8 yrs |
| Enid | 1,825 | 18 | $14,364 | 10.9 yrs |
| Norman | 1,781 | 18 | $14,364 | 11 yrs |
| Oklahoma City | 1,778 | 18 | $14,364 | 11 yrs |
| Edmond | 1,755 | 19 | $15,162 | 11.5 yrs |
| Stillwater | 1,732 | 19 | $15,162 | 11.5 yrs |
| Tulsa | 1,725 | 19 | $15,162 | 11.5 yrs |
| Ardmore | 1,724 | 19 | $15,162 | 11.5 yrs |
| Muskogee | 1,707 | 19 | $15,162 | 11.5 yrs |
| Broken Arrow | 1,700 | 19 | $15,162 | 11.6 yrs |
What a system costs in Oklahoma
| System | Size | kWh/yr | Net cost | Saves/yr | Payback |
|---|---|---|---|---|---|
| 8 panels | 3.2 kW | 4,774 | $6,384 | $578 | 11.1 yrs |
| 12 panels | 4.8 kW | 7,160 | $9,576 | $866 | 11.1 yrs |
| 16 panels | 6.4 kW | 9,547 | $12,768 | $1,155 | 11.1 yrs |
| 20 panels | 8 kW | 11,934 | $15,960 | $1,341 | 11.9 yrs |
| 26 panels | 10.4 kW | 15,514 | $20,748 | $1,449 | 14.3 yrs |
Payback stops improving as systems grow, then gets worse. You can only save on electricity you were going to buy, so once a system covers your usage the extra panels mostly export at a lower rate.
Oklahoma solar incentives
Every US household can claim the 30% federal residential clean energy credit, which is what the "after credit" figures above assume. On a $21,660 system that is $6,498 back. How the credit works →
State, utility and municipal incentives stack on top and change often — Oklahoma may offer rebates, property or sales tax exemptions, or performance payments. We deliberately don't list specific state programmes here because they change several times a year and stale numbers are worse than none. The DSIRE database is the standard reference and is kept current.
Oklahoma solar questions
Is solar worth it in Oklahoma?
At 12.1¢/kWh and 1,755 usable sun hours, a typical Oklahoma system pays back in about 11.5 years and returns roughly $17,914 across a 25-year panel life. That is slower than average, so compare at least three quotes before committing. Individual cities in Oklahoma vary widely around this average.
How many solar panels do I need in Oklahoma?
About 19 panels for a home using 10,800 kWh a year. Each 400W panel produces roughly 597 kWh annually at Oklahoma sunlight levels. Your own figure depends on actual usage — pull a year of bills rather than assuming average consumption, since heating and EV charging change it a lot.
How much do solar panels cost in Oklahoma?
A 7.6 kW system runs about $21,660 before incentives and $15,162 after the 30% federal credit, or roughly $2.85 per watt installed. Quotes vary widely by installer, roof complexity and whether your electrical panel needs upgrading — get three before deciding.
Worth reading before you buy
Regional estimates generated 2026-08-22 from Google Solar API rooftop samples across 10 Oklahoma cities, and average Oklahoma electricity rates. Not a quote and not financial or tax advice.