Oklahoma Solar Guide 2026
Everything Oklahoma homeowners need to know: costs, incentives, net metering policy, and what makes this state unique for solar.
Quick answer
Oklahoma solar economics depend mainly on 5.6 average peak sun hours, an estimated $2.75/W installed cost, 10.0¢/kWh electricity, and the state's current net-metering rules.
Reviewed 2026-07-26
- Best for
- Oklahoma homeowners comparing solar costs, incentives, and payback assumptions.
- Inputs needed
- annual kWh usage, utility rate, installed $/W, net-metering policy
- Formula used
- Typical production = system kW × peak sun hours × 365.
- Source checked
- state incentive data, utility tariff checks, Wattcrunch price benchmarks
Key fact about Oklahoma solar
Oklahoma has very strong sun hours (5.6/day) — comparable to California — but very low electricity rates (~$0.10/kWh) push payback to 14+ years. EV charging can dramatically improve solar ROI in OK.
Peak sun hours
5.6
hrs/day avg
Avg electricity rate
10.0¢
per kWh
Median install cost
$2.75/W
before incentives
Typical payback
14 yrs
8 kW system, avg usage
Typical 8 kW system in Oklahoma
Annual production
16,352 kWh
Year-1 savings
$1,635
System cost (est.)
$22,000
No federal tax credit — Section 25D expired December 31, 2025.
Oklahoma Net Metering Policy
Full retail net metering (mandatory for IOUs)
Oklahoma law requires investor-owned utilities to offer full retail net metering for systems up to 100 kW. OG&E and PSO must credit exports at retail. Co-ops have varying policies.
Oklahoma Solar Incentives
Available in addition to any utility rebates. Federal 25D credit is $0 for homeowner-owned systems from 2026.
- ✓Ad valorem tax exemption on solar equipment
- ✓No current state income tax credit
Top Utilities in Oklahoma
Interconnection timeline: 3–7 weeks
State-specific decision guide
What to verify before signing a Oklahoma solar quote
In Oklahoma, the financial result depends on more than sunshine or the headline installation price. Confirm the export rule, program eligibility date, and interconnection timeline for your exact utility before treating a payback estimate as a promise.
Export value
This page models full retail net metering (mandatory for ious). Ask which tariff and export credit apply to your account, not only which program name appears in the proposal.
Incentive eligibility
Check equipment, income, installer, application, and placed-in-service rules before subtracting an incentive from the quote. Programs can close or change terms.
Interconnection
Budget for the published 3–7 weeks and confirm who pays for a required meter, service upgrade, or engineering review.
Source trail: production assumptions use NREL PVWatts; incentive discovery should be checked against DSIRE; electricity-market context is available from the EIA. Confirm final tax treatment with the IRS and your utility.
Calculate your Oklahoma solar economics
Our calculators are pre-filled with Oklahoma data. Run any tool below.