US residential solar · 2026 data

Solar Panels in Texas: 2026 Cost, Incentives and Payback

Est. net savings

$16,400

Over 25 Years (modeled, 8 kW) · no federal credit

$24,000 8 kW cost (before incentives)
20.3 yrs Simple payback
$0 Federal credit (owned)

Typical result:

  • 8 kW example system (about 20 panels)
  • $24,000 before incentives
  • $0 federal credit if you own the system
  • About 20.3-year simple payback
✓ EIA rates & NREL sun data ✓ 2026 federal policy applied ✓ Open methodology
· 7 min read ·By
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25 years without solar vs with solar

Scenario: an 8 kW system on a Texas home (Texas rate 16.1¢/kWh, 5.6 peak sun hours). Assumes 3%/yr rate increases, 0.5%/yr panel degradation and no federal tax credit (the 30% §25D credit ended for systems installed after Dec 31, 2025). How we calculate

Without solar

25-year utility bills

$78,500

Rates rise ~3% per year

With solar

System cost + remaining bills

$62,100

Installed cost, no federal credit

Difference

Estimated 25-year net

+$16,400

Before any state or utility incentives

Numbers on this page are built from public data

EIA electricity rates NREL PVWatts DSIRE incentives IRS Our methodology
Author Green Energy Calculators Editorial Team
Editorial policy No paid placements
Last updated
Data approach EIA rates · NREL sun hours · 2026 federal policy · methodology

Last updated: October 6, 2026. This guide was revised after the federal residential solar tax credit ended on December 31, 2025.

Quick answer: In 2026, an 8 kW Texas solar system (about 20 panels) costs about $24,000 at this site’s $3.00 per watt model price. There is no federal tax credit for systems you own and place in service this year. Modeled simple payback is about 20.3 years, or about 16.6 years once rate increases are counted.

Texas still has strong sun and moderate electricity prices. The U.S. Energy Information Administration (EIA) reports a statewide average residential price of 16.1¢ per kWh (July 2026 data), and this site models Texas at 5.6 peak sun hours a day, based on National Renewable Energy Laboratory (NREL) solar resource data. But the economics changed on January 1, 2026, when the federal homeowner credit disappeared. This guide uses current public data and shows its assumptions so you can check the math.

What Solar Panels Cost in Texas in 2026

This site models installed cost at $3.00 per watt before any incentives. Multiplying that rate by common system sizes gives the estimates below. Quotes from individual installers can land above or below the model, and marketplace averages can be lower.

Estimated Texas solar cost by system size, 2026. An 8 kW system runs about $24,000 before incentives at $3.00/W. Source: this site’s standard cost model.

Chart summary: At $3.00 per watt, system cost scales linearly with size: about $15,000 for 5 kW, $24,000 for 8 kW, $30,000 for 10 kW, and $36,000 for 12 kW. Larger systems cost more in total, but the price per watt is what you should compare between quotes. These figures are estimates; they exclude batteries, roof work, and any incentives.

Three things move your price most: system size, equipment (panels, inverters, optional battery), and roof complexity. Battery storage is an added cost, and the federal credit that once covered batteries has also ended. The solar system size calculator estimates how many panels your usage requires before you request quotes.

Panel quality also affects long-term output. This site’s model assumes 0.5% yearly degradation, in line with NREL’s research on photovoltaic degradation, so ask installers for each panel’s warranted degradation rate and compare it alongside price per watt.

Texas Solar Incentives in 2026: What Still Exists

The federal credit is gone for owned systems. The 30% Residential Clean Energy Credit (Section 25D) ended for expenditures made after December 31, 2025, under the One Big Beautiful Bill Act signed July 4, 2025. If you buy a system with cash or a loan and it is placed in service in 2026, the federal residential credit is $0. Homeowners whose systems were placed in service by December 31, 2025 can still claim it, and unused credit from earlier years carries forward. See the IRS Residential Clean Energy Credit page for the official rules.

Lease and PPA systems are different. Companies that own leased or power-purchase-agreement systems may still use the commercial Section 48E credit under current deadlines. Whether that lowers your monthly payment depends on the contract, so compare any lease or PPA with a purchase on total cost over the contract term.

Texas property tax exemption. Under Texas Tax Code §11.27, the value a solar energy device adds to your home is exempt from property tax. It keeps your tax bill from rising because of the system. Apply with Form 50-123 through your county appraisal district; the deadline is April 30. The dollar benefit varies with your local tax rate and system value.

No sales tax exemption. Residential solar equipment in Texas is subject to the 6.25% state sales tax plus up to 2% in local tax. Older articles that claim an exemption are wrong.

Utility rebates are limited. Texas exempts the added home value from solar from property tax. Austin Energy, CPS Energy and some other local utilities offer rebates. Terms and funding change often, so confirm current details with the utility and check the DSIRE database before you sign.

Solar Savings and Payback Period in Texas

Payback depends on three inputs: what the system costs, how much electricity it produces, and what each kilowatt-hour is worth to you. Self-used solar power avoids your retail rate. Exported power earns whatever your utility or retail electric provider pays, which is often less. To see how your state compares, our guide to Solar Panel Payback Period by State has the full data.

For an 8 kW system in Texas, the site model uses the 16.1¢/kWh Texas average rate, 5.6 peak sun hours and a 0.82 system derate, which gives about 13,409 kWh a year (check your own site with NREL’s PVWatts). Because Texas has no statewide net metering, the model assumes the system offsets 55% of a typical bill; the rest of the value depends on your export credit.

Cumulative net cash flow, 8 kW Texas system with no federal credit. Modeled with 3% yearly rate escalation and 0.5% yearly panel degradation at the 16.1¢ Texas rate.

Chart summary: In this model the system saves about $1,184 in year 1 and breaks even after about 20.3 years on a simple basis, or about 16.6 years once rate increases are counted. It ends year 25 about $16,400 ahead of buying the same power from the utility, assuming a $24,000 cost. Weak export credits push break-even later; higher rates pull it closer. Loan interest and maintenance are not included, so a loan can make monthly payments exceed bill savings until it is paid off. Run the solar payback calculator with your own rate and quote.

Net Metering, Outages and Battery Storage in Texas

Texas has no statewide net metering rule. In most of the state you choose a retail electric provider (REP), and solar buyback terms are set by the plan or, in municipal utility areas like Austin, by the utility. Some plans pay well, others pay little or nothing for exports. Read the Electricity Facts Label and buyback terms before you commit, because export value changes your payback.

Texas runs the ERCOT grid largely separate from the rest of the country. During Winter Storm Uri in February 2021, millions of Texans lost power. A standard grid-tied solar system shuts down during an outage for lineworker safety, even in daylight. Backup requires a battery or a specially designed system. A Tesla Powerwall offers 13.5 kWh of usable capacity; how long that lasts depends entirely on which appliances you run. Batteries add cost and, unlike before 2026, carry no federal credit for owned systems.

Is Solar Worth It in Texas?

For many owners it still can be, but the case is closer than it was in 2025. Solar tends to work best when you have an unshaded south-, west- or east-facing roof in good condition, you use a lot of electricity during the day, and you plan to stay in the home for a decade or more.

Check for these problems first:

  • Shade: Heavy shade cuts output. Request a shade analysis from installers.
  • Roof age: If the roof needs replacement soon, do that first, because removing and reinstalling panels adds cost.
  • Low usage or low export credit: These stretch payback beyond the modeled 20.3 years.
  • Ownership model: Compare buying, a loan, and a lease or PPA on total cost over the full term.

Ready to test your own numbers? The solar savings calculator and solar payback calculator let you enter your bill, rate and quote. For comparison with other states, see Arizona and Florida, and the main Texas data page.

Sources and Methodology

Cost-by-size and payback figures are our calculations from the inputs stated above, not quotes. Program terms change; verify with your utility, installer and a tax professional. This article is general information, not tax, legal or financial advice.

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Frequently asked questions

Direct answers for US homeowners in Texas.

Not for homeowners who buy their system. The 30% Residential Clean Energy Credit (Section 25D) ended for expenditures after December 31, 2025 under the One Big Beautiful Bill Act, so a system you own and place in service in 2026 receives no federal residential credit. Systems placed in service by December 31, 2025 can still claim it, and unused 25D credit from earlier years can be carried forward. Company-owned lease and PPA systems may still access the commercial Section 48E credit, but how much of that value reaches you varies by contract.

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Popular state solar guides

Electricity rates and incentives vary — see data for your state.

CA California 33.25¢/kWh · 5.8h sun TX Texas 16.06¢/kWh · 5.6h sun FL Florida 15.3¢/kWh · 5.7h sun AZ Arizona 15.44¢/kWh · 6.5h sun NC North Carolina 14.94¢/kWh · 5.2h sun NY New York 29.38¢/kWh · 4.3h sun MA Massachusetts 30.14¢/kWh · 4.2h sun CO Colorado 16.72¢/kWh · 5.5h sun
View all 50 states →

How these numbers were calculated

Electricity rate
16.06¢/kWh — Texas average residential price. Source: EIA Electric Power Monthly, Table 5.6.B (year-to-date through July 2026), residential average retail price (July 2026) (EIA)
Solar production
5.6 peak sun hours/day × 0.82 system derate. Approximate state-average daily solar resource (peak sun hours) based on NREL solar resource data (NSRDB); not location-specific — use NREL PVWatts for an address-level estimate. (NREL PVWatts)
Installed price
$3.00 per watt before incentives. Blended 2026 US residential installed price used by this site; EnergySage marketplace reported about $2.60/W (mid-2026); full-market medians are higher.
Federal tax credit
$0 for homeowner-owned systems installed in 2026 — the 30% §25D credit ended Dec 31, 2025 (IRS)
Net metering
No statewide net metering — utility-dependent — solar assumed to offset 55% of the bill. Texas has no statewide net metering; some retail electricity plans and municipal utilities (e.g., Austin Energy) offer buyback credits.
Model
Version 2026.10 · 3%/yr electricity price escalation · 0.5%/yr panel degradation · simple payback = installed cost ÷ year-1 savings
Policy checked
· Full methodology · Report an error

Estimates only — not tax, legal or financial advice. Get at least three installer quotes and confirm incentives with your utility and a tax professional.

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