Installing solar in Houston costs $26,680 before incentives for a typical 9.2kW system. Note that the federal residential solar tax credit (Section 25D) expired for systems installed after December 31, 2025, so a 2026 purchase does not qualify for a federal credit. At CenterPoint Energy's $0.124/kWh and 5.32 daily peak sun hours, the estimated payback for Houston is 14 years.
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Typical purchase cost (2026): $26,680 — the 30% federal residential credit (§25D) expired Dec 31, 2025; a lease or PPA still captures it via §48E
Net metering: no statewide net metering — buyback rate set by the retail plan or local utility (PUCT)
State tax credit: 0%
Federal residential credit (§25D): expired for purchases after Dec 31, 2025; lease/PPA still gets 30% via §48E
Median household income (Houston): $64,813
Data from U.S. Census Bureau, DSIRE, NREL
Solar Installation Costs in Houston: 2026
If you're considering going solar in Houston, it helps to know what local homeowners are actually paying. The average residential solar system in Houston comes in around 9.2 kW, which is a typical size for meeting the energy needs of a Houston household. However, the federal residential solar tax credit under Section 25D (IRS) expired for systems installed after December 31, 2025, so homeowners who purchase a system in 2026 will not receive a federal tax credit. If you instead choose a solar lease or power purchase agreement (PPA), the installer or owner may still claim a 30% credit under the commercial Section 48E (IRS), and those savings are often passed through to you as a lower monthly rate.
Keep in mind that Texas does not offer a state solar tax credit, so utility and municipal rebates — such as those from Austin Energy or CPS Energy — are the main direct incentives available to purchasing homeowners. Texas has no statewide net metering: in Houston's competitive retail market, the credit for energy your panels send back depends on the buyback rate of the electricity plan you choose (PUCT).
With a median household income of $64,813 in Houston, a solar investment is a significant financial decision, so take your time. Gather several quotes, compare them carefully, and read the fine print on any financing or warranty terms. Asking detailed questions upfront will help you make a confident, well-informed choice for your home. This is general information, not tax advice.
The Real Out-of-Pocket Number for Houston Homeowners Going Solar
The advertised price and what you actually pay are two different things in Houston. The federal residential clean energy credit (Section 25D) expired for systems purchased after December 31, 2025, so a 2026 cash or loan purchase no longer earns the 30% credit — though a lease or PPA may still capture it via the Section 48E commercial credit. Texas doesn't have a statewide solar rebate either, which surprises some homeowners. Where Houston buyers find extra savings is through utility-level and local programs that come and go, so checking what's active at the time of your install matters. Property tax exemptions help too. Texas exempts the added home value from solar from your property taxes, meaning you won't get hit with a higher bill for the upgrade. Financing changes the math again. If you go with a solar loan, you're trading the out-of-pocket lump sum for monthly payments that often run close to what you were already paying CenterPoint for delivery and energy.
Houston Solar Adoption: What the 2326K-Resident Market Tells You
Permitting in Houston runs through the city's Permit Center, and the process is more streamlined than it used to be. Most residential solar permits are handled through the electronic plan review system, which lets your installer submit drawings and electrical plans digitally rather than standing in line downtown. Expect permit fees to land somewhere in the range of 150 to 400 depending on system size and scope, though your installer typically rolls this into the total project cost. Timeline-wise, a clean application often clears in one to three weeks, though revisions can stretch that out if the electrical plans need adjustment. Homeowners in unincorporated Harris County deal with a slightly different process, since those areas fall outside city jurisdiction. The key thing to confirm with your installer is that they handle permitting end to end. A reputable Houston company should manage submission, inspection scheduling, and any corrections so you're not navigating the bureaucracy yourself.
Company
Type
Published warranty or guarantee
Published ownership options
Palmetto
Installer
90% performance guarantee and 25 years of free maintenance (Energy Plan subscription)
Subscription (Energy Plan), cash, loan
SunPower
Installer (Complete Solaria, Inc. d/b/a SunPower)
10-year workmanship; manufacturer warranty up to 25 years
25-year panel product warranty; output at least 98.0% after year 1, then no more than 0.45%/yr decline2
Not read3
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Details reflect only what each company publishes itself: the warranty or guarantee terms on its own warranty page or warranty document, and the ownership options on its own site, retrieved Sep 10, 2026; no installer or manufacturer pays for placement or rating. Companies are listed alphabetically. Terms vary by state and by plan; confirm them in writing on your own quote.
1. Sunrun states its 25-year subscription maintenance promise is not available in Florida.
2. Tesla's module warranty covers the panels only; it states it does not cover the installer's workmanship.
3. Tesla: tesla.com refused automated retrieval on September 10, 2026, so payment options were not read and are not shown.
Hail is the one weather factor that makes Houston homeowners nervous about going solar, and it's a fair concern given how Gulf Coast storms can roll through in spring. The good news is that modern panels are built tough. Most quality modules carry certification to withstand hailstones up to about an inch in diameter traveling at high speed, and that covers the vast majority of what Houston actually sees. Tempered glass fronts and aluminum framing give the panels real structural resistance. On output, Houston's abundant sunshine more than compensates for the occasional cloudy or stormy stretch. The flat winter sun angle and long summer days keep production strong year-round, and panels actually shrug off humidity better than people assume. For peace of mind, check that your homeowner's insurance covers rooftop solar against storm damage, since most policies in this region do. Pairing that coverage with hail-rated panels means your investment stays protected through whatever the season brings.
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What is the average solar payback period in Houston?
Houston homeowners typically see a full solar payback period of 13–16 years (longer for a 2026 purchase since the federal residential credit expired; a lease or PPA avoids the upfront cost). After payback, the system generates essentially free electricity for the remaining 10–15+ years of its 25-year warranty life. Higher electric rates and more sun-hours shorten the payback period.
What Texas incentives apply in Houston?
Houston homeowners qualify for: no federal ITC on purchased systems (the residential Section 25D credit expired after December 31, 2025); Austin Energy, CPS Energy, and some municipal utilities offer $2,500–$5,000 rebates. If you choose a solar lease or PPA, the installer/owner can still claim a 30% credit under the commercial Section 48E (IRS), often passing savings through as a lower rate. State and utility rebates remain the primary direct incentives for homeowners who purchase outright.
Does the Houston utility offer net metering?
Texas has no statewide net metering requirement (Texas Utilities Code §39.916). Where Oncor, AEP Texas or CenterPoint deliver power, whether and how exports are credited depends on your retail electric provider's buyback plan; municipal utilities and electric cooperatives set their own terms.
Is solar worth it given Houston's sun-hours?
Houston receives approximately 6.0 peak sun-hours/day, which is excellent — well above the US average of 4.5–5.0 hours. A properly sized system will offset 80–100% of a typical Houston home's electricity usage. Get quotes from at least three NABCEP-certified installers to compare production estimates.
What permits are required in Houston?
Going solar in Houston requires city/county building permit + ERCOT/utility interconnection. A reputable installer handles all permitting as part of the installation contract — you should not need to visit any office yourself. Permit timelines typically add 2–8 weeks to the installation process.
What is the average solar system size in Houston?
The typical residential installation in Houston is 7–9 kW, costing roughly $25,700–$34,300 to purchase (the 30% federal residential credit expired Dec 31, 2025; a lease or PPA still captures it via §48E). System size depends on your monthly electricity usage, available roof space, and shading. An installer will use your 12-month utility bill to recommend an appropriately sized system.
