Oklahoma Solar Data
Solar in Oklahoma: By the Numbers
The data behind the decision. All figures verified and sourced.
What Matters
Oklahoma has the sunshine. The pressure is on the utility side.
Oklahoma is not a marginal solar state. It gets 235 sunny days per year, sits in the top third nationally for solar resource, and gives homeowners more production potential than most of the country. The raw solar resource is not the problem.
The pressure is on the other side of the equation: utility costs. Residential electricity rates are up 33.6% since 2020, Winter Storm Uri charges are still embedded in bills, and new grid buildout tied to data centers is creating more pressure for future increases. This page is the short version of what those numbers mean.
235
Sunny days per year
About 14% more sun than the U.S. average.
33.6%
Rate increase since 2020
Tracked in our Oklahoma utility-rate research.
$88K+
25-year utility spend
For a typical 1,100 kWh household at conservative growth.
$13-24
Monthly bills with solar
Reported by Oklahoma solar homeowners on public threads.
Solar Resource
Oklahoma is a strong solar state
Oklahoma averages roughly 3,090 sunshine hours per year. That does not automatically make every roof a fit, but it does mean the state has the raw sunlight needed to support strong residential production when the system is sized and installed correctly.
The more useful takeaway is simple: the state is not sunshine-constrained. If a project does not work financially, the bottleneck is usually roof layout, household usage, equipment choices, or financing terms, not a lack of solar resource.
- Sunshine hours
- 3,090
- Relative ranking
- Top third nationally
- Context
- Enough sun to make the economics work when utility pressure and load profile line up.
Utility Pressure
Why the economics changed
What changed in Oklahoma is not the sun. It is the cost of staying tied to the grid. Utility rates are up sharply since 2020, Winter Storm Uri costs continue to show up in bills, and new infrastructure tied to large-load growth is pressuring future rate cases.
That is why solar feels more urgent now than it did a few years ago. The baseline utility path is getting more expensive, and the spread between utility power and self-produced power gets wider every time rates move up.
$2.9B
Uri bonds securitized
Those charges continue through long-term bill riders.
What Changes
How the long-term math shifts
Staying on grid
$88K+
Projected 25-year utility spend at 5% annual growth for a typical 1,100 kWh household.
- Rates continue changing outside your control
- Storm-cost riders and new infrastructure stay embedded in bills
- Every increase compounds the long-run total
Adding solar
$13-24
Monthly electric bills reported by Oklahoma solar homeowners in public discussions linked from our research pages.
- Production cost is effectively fixed once the system is installed
- Each utility increase improves relative savings
- The spend is redirected into the house instead of the bill stack
Real Bills
What Oklahoma homeowners actually report
“Last month was $23.96. Thanks to the sun.”
“$15. 100% electric house with solar panels.”
“We went solar. Electric bill is $13.”
These are anecdotal public reports, not guarantees. They are useful because they show what Oklahoma homeowners are actually talking about when rates rise.
Sources and supporting pages
This page is intentionally a summary. The deeper reporting and source work lives in the utility-rate and data-center research pages below, along with public electricity data from the EIA.
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