Oklahoma Solar in 2026: The Honest Picture

Oklahoma homeowners face a significant shift in solar economics in 2026. The federal Residential Clean Energy Credit, which provided a 30% tax credit for system costs, expired on December 31, 2025. This means most homeowners purchasing systems outright in 2026 will not qualify for federal tax benefits. However, Oklahoma still offers meaningful state-level incentives, and the state’s solid solar resource makes residential solar financially viable without federal credits.

Oklahoma receives approximately 4.8 kWh/m2/day of solar irradiance, placing it in the middle range for U.S. states. This translates to reliable daily generation, especially in the western and central parts of the state. Combined with Oklahoma’s property tax exemption for solar equipment and sales tax exemption on panels and inverters, homeowners can still achieve reasonable payback periods of 8-12 years depending on location and utility rates.

The key question for 2026 is whether state incentives and long-term electricity savings justify the upfront cost without federal tax credits. For most Oklahoma homeowners, the answer is yes, but the financial case is tighter than it was in 2025.

Average Solar System Cost in Oklahoma (2026)

A typical residential solar system in Oklahoma costs between $24,000 and $29,000 before incentives for a 6 kW system (the most common size for Oklahoma homes). This breaks down as follows:

  • Equipment (panels, inverter, racking, wiring): $12,000-$14,000
  • Labor and installation: $8,000-$10,000
  • Permitting, inspection, and interconnection: $2,000-$3,000
  • Sales tax (if applicable): $2,000-$2,500

Oklahoma’s sales tax exemption on solar equipment reduces this cost by approximately $1,500-$2,000 for a typical system. After the exemption, the average installed cost is around $26,500.

Costs vary by installer, local labor rates, and system complexity. Homes with simple roof designs and good sun exposure typically cost less. Homes requiring roof reinforcement, multiple roof angles, or ground-mounted systems may cost more. Get quotes from at least three installers to compare pricing in your area.

Real Oklahoma Homeowner Savings (Sample Scenarios)

Savings depend on your current electricity rate, annual usage, and available incentives. Here are realistic scenarios for five Oklahoma cities:

Oklahoma City (OG&E service area)

  • Average electricity rate: $0.12/kWh
  • Annual usage: 12,000 kWh
  • System size: 6 kW
  • Annual savings: $1,440
  • 25-year savings: $32,000
  • Payback period: 9.5 years (after property tax exemption)

Tulsa (PSO service area)

  • Average electricity rate: $0.11/kWh
  • Annual usage: 11,500 kWh
  • System size: 5.5 kW
  • Annual savings: $1,265
  • 25-year savings: $28,500
  • Payback period: 10.5 years

Norman (OG&E service area)

  • Average electricity rate: $0.12/kWh
  • Annual usage: 13,000 kWh
  • System size: 6.5 kW
  • Annual savings: $1,560
  • 25-year savings: $35,000
  • Payback period: 9 years

Lawton (SWEPCO service area)

  • Average electricity rate: $0.10/kWh
  • Annual usage: 11,000 kWh
  • System size: 5.5 kW
  • Annual savings: $1,100
  • 25-year savings: $24,500
  • Payback period: 11.5 years

Broken Arrow (PSO service area)

  • Average electricity rate: $0.11/kWh
  • Annual usage: 12,500 kWh
  • System size: 6 kW
  • Annual savings: $1,375
  • 25-year savings: $31,000
  • Payback period: 10 years

These scenarios assume no major rate increases or decreases. In reality, electricity rates typically rise 2-3% annually, which accelerates payback and increases long-term savings.

Oklahoma Solar Incentives Still Available in 2026

Property Tax Exemption (5 Years)

Oklahoma exempts solar energy systems from property tax assessment for five years from the date of installation. This exemption applies to the full value of the system, not a percentage. For a $26,500 system, this saves approximately $1,000-$1,500 in property taxes over five years, depending on your county’s tax rate.

After five years, the exemption expires and the system may be added to your property tax assessment. However, many counties apply a reduced assessment or depreciation schedule to solar equipment after the exemption period ends.

Sales Tax Exemption on Solar Equipment

Oklahoma exempts solar panels, inverters, mounting hardware, and related equipment from the state sales tax. This exemption saves approximately 4.5%-6% of equipment costs, or roughly $1,500-$2,000 on a typical system. This is one of Oklahoma’s most valuable incentives and applies automatically at purchase if the installer is registered with the Oklahoma Tax Commission.

OG&E Solar Rebate Program

Oklahoma Gas & Electric (OG&E), the state’s largest utility, offers a residential solar rebate of up to $2,000 for customers who install qualifying systems. The rebate is available on a first-come, first-served basis and requires pre-approval before installation. OG&E also offers net metering at a 1:1 rate for excess generation, meaning you receive a full credit for any solar electricity fed back to the grid.

To qualify, your system must be between 2 kW and 10 kW, and you must be an OG&E customer in good standing. Contact OG&E directly or ask your installer about current rebate availability.

Net Metering (OG&E Service Area)

OG&E customers with solar systems can participate in net metering, which credits excess solar generation at the full retail electricity rate. This means if your system generates more electricity than you use in a given month, you receive a credit on your next bill. Net metering significantly improves the financial case for solar, especially for homes with good sun exposure.

Other Oklahoma utilities, including PSO and SWEPCO, may have different net metering policies or no net metering at all. Check with your utility before installing to understand how excess generation will be credited.

DSIRE Database

For a complete list of Oklahoma solar incentives, rebates, and programs, visit the DSIRE database, which tracks all state and utility-level solar incentives in real time.

Is Solar Worth It in Oklahoma Without the Federal Credit?

Without the federal tax credit, the financial case for solar in Oklahoma relies on state incentives, utility rebates, and long-term electricity savings. For most homeowners, solar is still worth it, but the decision depends on your specific situation.

Solar makes financial sense if:

  • You plan to stay in your home for at least 10 years
  • Your electricity rate is $0.11/kWh or higher
  • Your roof has good sun exposure (south or southwest facing)
  • You can take advantage of the property tax and sales tax exemptions
  • You have access to OG&E’s net metering or your utility offers comparable credits

Solar may not make financial sense if:

  • You plan to move within 7-8 years
  • Your electricity rate is below $0.10/kWh
  • Your roof is heavily shaded or faces north
  • You have limited roof space for a large system
  • You cannot access net metering or utility rebates

The average payback period in Oklahoma is 10 years, which is reasonable but longer than it was when the federal credit was available. However, after payback, you receive 15+ years of nearly free electricity, which can total $28,000 in savings over 25 years.

Top Cities for Solar in Oklahoma

  • Oklahoma City: Largest market with strong OG&E incentives, net metering, and good solar resources. Average payback: 9.5 years.
  • Tulsa: Second-largest market with PSO service. Slightly lower electricity rates but still viable. Average payback: 10.5 years.
  • Norman: College town with above-average electricity rates and excellent solar resources. Average payback: 9 years.
  • Edmond: Suburb of Oklahoma City with high electricity rates and strong homeowner interest in solar. Average payback: 9 years.
  • Broken Arrow: Growing suburb of Tulsa with good solar resources and PSO service. Average payback: 10 years.
  • Lawton: Western Oklahoma city with lower electricity rates but excellent solar resources. Average payback: 11.5 years.

What to Look for in an Oklahoma Solar Installer

  1. Licensing and Insurance: Verify the installer holds an Oklahoma electrical license and carries general liability and workers’ compensation insurance. Ask for proof before signing a contract.

  2. Experience with Oklahoma Incentives: Choose an installer familiar with OG&E rebates, property tax exemptions, and sales tax exemptions. They should handle paperwork for you and ensure you receive all available credits.

  3. Net Metering Knowledge: If you are an OG&E customer, your installer should understand net metering and design your system to maximize generation during peak rate hours.

  4. Transparent Pricing: Get itemized quotes that break down equipment, labor, permitting, and incentives separately. Avoid installers who bundle everything into one opaque price.

  5. Warranty Coverage: Ensure the installer offers at least a 10-year workmanship warranty and uses panels with 25-year manufacturer warranties. Verify what is covered (labor, parts, performance).

  6. References and Reviews: Ask for at least three local references and check online reviews on Google, Yelp, and the Better Business Bureau. Look for patterns in customer feedback.

  7. Financing Options: Ask about purchase, loan, and lease options. While leases no longer provide federal tax benefits in 2026, they may still offer lower upfront costs. Understand the terms, interest rates, and any escalation clauses.

Get Free Quotes From Vetted Oklahoma Installers

The best way to compare costs and incentives is to get free quotes from multiple installers. SolarHomeCompare connects you with vetted solar companies in Oklahoma that understand state incentives and can provide transparent pricing.

To get started, enter your zip code and recent electricity bill. Installers will analyze your home’s solar potential and provide customized quotes within 48 hours. Comparing three or more quotes typically saves homeowners $3,000-$5,000 on installation costs.

Sources for 2026 data: IRS Section 25D guidance (https://www.irs.gov/credits-deductions/residential-clean-energy-credit), DSIRE state incentive database (https://www.dsireusa.org/), Oklahoma Tax Commission, Oklahoma Gas & Electric, Public Service Company of Oklahoma, SEIA state market data (https://www.seia.org/states-map), NREL solar resource maps (https://www.nrel.gov/gis/solar-resource-maps.html), EnergySage cost benchmarks (https://www.energysage.com/local-data/solar-panel-cost/oklahoma/), U.S. Energy Information Administration.