South · OK

Solar Panel Cost in Oklahoma (2026)

Developing incentives   Average installed cost: $2.48/watt · Typical payback: 12-16 years

Oklahoma solar cost breakdown

MetricOklahoma
Cost per watt (low–avg–high)$2.25 – $2.48 – $2.82
8.6 kW system cost (before incentives)$19,350 – $24,252
Average residential electricity rate$0.12/kWh
Average peak sun hours/day5.3
Typical payback period12–16 years
Federal tax credit (cash/loan, 2026)Not available (expired 12/31/2025)

Oklahoma-specific incentives

Oklahoma has good solar irradiance and competitive installed pricing, but very low electricity rates mean monthly bill savings are modest relative to other high-sun states. No current state solar tax credit exists.

Quick facts

State capitalOklahoma City
Incentive tierDeveloping
RegionSouth
AbbreviationOK
Run your own estimate

Cities in Oklahoma

Oklahoma City Tulsa
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Frequently asked questions

How much do solar panels cost in Oklahoma?

As of 2026, solar panels in Oklahoma average $2.48 per watt installed, typically ranging $2.25-$2.82/W depending on system size, roof complexity, and equipment tier. A common 8.6 kW residential system runs roughly $19,350-$24,252 before any remaining state incentive.

Is there a state solar tax credit in Oklahoma?

Oklahoma has good solar irradiance and competitive installed pricing, but very low electricity rates mean monthly bill savings are modest relative to other high-sun states. No current state solar tax credit exists.

What's the typical payback period for solar in Oklahoma?

Most Oklahoma homeowners see a payback period of 12-16 years based on current electricity rates and remaining incentives, since the federal 30% tax credit no longer applies to cash or loan purchases in 2026.

Does the federal solar tax credit still apply here?

No — the 30% federal Residential Clean Energy Credit (Section 25D) expired for cash and loan purchases on December 31, 2025. It only remains available indirectly through solar leases and PPAs, where the financing company claims a separate commercial credit.

Not financial, tax, or legal advice. Figures on this page are 2026 estimates based on industry aggregator data (EnergySage marketplace medians, SEIA/Wood Mackenzie market insight, and regional installer data) and are provided for general informational and comparison purposes only. Actual pricing, incentive eligibility, and payback periods depend on your specific roof, usage, equipment, and local program rules. Confirm current incentive details at dsireusa.org and consult a licensed tax professional and local installers before making a purchase decision.