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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free QuoteTexas is the cheapest solar market in NuWatt's footprint. Real numbers. No hidden markups. A line-by-line cost breakdown — plus why your REP buyback plan matters more than your panel brand.
Quality Range
$2.16-$2.80/W
Fully installed
Overhead Line
$3.00/W
Above this in TX? Ask why.
Federal Credit
$0
Expired Dec 2025
Sales Tax
~8.25%
NOT exempt in TX
2026 Update: The federal residential solar tax credit (Section 25D) expired December 31, 2025. All pricing on this page reflects the post-ITC reality. Propel financing (available in Texas) uses the Section 48E commercial ITC through third-party ownership. Propel details
Quick Answer
In 2026, a quality solar installation in Texas costs $2.16-$2.80 per watt ($21,600-$28,000 for a typical 10kW system) — the cheapest in NuWatt's markets. Add ~8.25% sales tax (TX does NOT exempt solar). No federal tax credit (Section 25D expired December 31, 2025). Payback ranges from 5-6 years in Austin (VOS + rebate) to 7-9 years in Houston (REP-dependent). Your solar buyback plan choice matters more than your panel brand — the wrong REP costs $1,000+/year in lost credits. Propel financing captures the commercial ITC through third-party structure, reducing effective cost by ~30%.
Texas solar costs 25-35% less than New England. The panels are the same. The inverters are the same. Here is what drives the price difference.
Texas
$2.16-$2.80/W
Cheapest market
New Jersey
$2.70-$3.30/W
Maine
$2.80-$3.20/W
Massachusetts
$2.90-$3.40/W
TX labor rates are 20-30% lower than the Northeast. Same skill, same quality installation — but the hourly rate reflects the regional cost of living.
Texas has more licensed solar installers per capita than any NE state. Competition drives prices down. Companies that charge NE prices in TX lose to lower-cost competitors.
Most TX municipalities process solar permits in 1-5 business days. NE towns can take 2-4 weeks. Less time on permitting = less overhead per job.
Solar installation is not a mystery. Every component has a market price. Here is where your money goes — and where the price differences between Texas installers actually come from.
| Component | Cost Range | % of Total | Notes |
|---|---|---|---|
| Solar panels | $0.35-$0.55/W | ~17% | Hyundai 440W to REC 460W — same Tier-1 brands available to every installer |
| Inverter / microinverters | $0.30-$0.45/W | ~14% | Enphase IQ8 microinverters or SolarEdge string inverter |
| Racking & BOS | $0.20-$0.30/W | ~10% | Mounting hardware, wiring, disconnects, conduit — commodity items |
| Permitting & interconnection | $0.08-$0.15/W | ~5% | City building permits, utility interconnection, REP buyback enrollment |
| Installation labor | $0.40-$0.55/W | ~18% | Crew, equipment — TX labor is cheaper than NE markets |
| Design & engineering | $0.08-$0.12/W | ~4% | Structural review, electrical design, plan sets for permitting |
| Company overhead | $0.25-$0.70/W | 12-25% | THIS is where pricing varies most between installers |
| Profit margin | $0.12-$0.25/W | ~8% | Reasonable margin to sustain a healthy business |
Notice that everything except overhead and margin is virtually the same across installers. The panels are the same Tier-1 brands. The inverters are the same Enphase or SolarEdge models. The labor takes the same number of hours. The permits cost the same regardless of who pulls them.
What varies is how much the company spends on sales commissions, showroom rent, advertising, layers of management, and branded vehicle wraps — and passes those costs to you. A company with $0.70/W in overhead charges $4,500 more for the same 10kW system than a company with $0.25/W in overhead.
In Texas, where the quality range starts at $2.16/W, a company charging $3.00+/W has significantly higher overhead than the market norm. Ask what the premium buys you. If the answer is "better service," ask them to define that in measurable terms — warranty length, response time, monitoring, REP selection help.
The Northeast has a $3.50/W overhead line. In Texas, that threshold is lower. If you are being quoted over $3.00 per watt for a residential system in TX in 2026, ask this question: what am I getting for the extra $0.40-$0.80/W?
Better solar panels
The same Tier-1 manufacturers (REC, Silfab, Hyundai, Canadian Solar) sell to every licensed installer. Panel availability is not exclusive.
Better inverters
Enphase IQ8 microinverters are available through every authorized distributor. The hardware is identical regardless of who installs it.
Better manufacturer warranties
25-year panel warranty and 25-year inverter warranty are industry standard. The manufacturer backs these — not the installer.
Hail resistance
All Tier-1 panels pass IEC 61215 hail testing (1-inch ice ball at 51 mph). The panel hail rating is the same regardless of installer. What varies is the installer hail warranty on their workmanship.
Larger sales commissions
Some companies pay salespeople $2,000-$5,000 per deal. That cost is built into your quote.
Out-of-state overhead
National companies operating in Texas carry corporate costs from markets with higher pricing norms.
National advertising budgets
Television, radio, and digital campaigns cost millions annually. Customers absorb these costs per-watt.
Door-to-door sales operations
TX has a huge door-to-door solar sales culture. Each canvasser adds $500-$1,500 per deal in overhead.
The bottom line: If two companies offer the same Tier-1 panels, the same Enphase microinverters, the same racking hardware, and the same 25-year manufacturer warranties — but one charges $2.40/W and the other charges $3.20/W — the $8,000 difference on a 10kW system is paying for overhead, not quality. Ask the more expensive company to explain specifically what their premium buys you that the other company cannot provide.
Unlike Massachusetts, Maine, Connecticut, and most Northeast states, Texas does NOT exempt solar equipment from sales tax. This is real money that some installers leave out of their quotes.
TX Sales Tax Rate
~8.25%
6.25% state + up to 2% local
On a $25K System
+$2,063
Added to your total cost
NE States (for comparison)
$0 tax
MA, ME, CT, RI: sales tax exempt
Ask every installer: Does your quoted price include sales tax? If the answer is no, add 8.25% to the total before comparing. A $25,000 quote that does not include tax actually costs $27,063. A $26,500 quote that includes tax is actually cheaper. This is one of the most common apples-to-oranges comparisons in TX solar quotes.
In ERCOT deregulated areas (DFW, Houston, most of Texas), you choose your retail electricity provider (REP). Your REP's solar buyback plan determines what you earn for exported power — and this choice has a bigger impact on ROI than which panel brand you choose.
$0.13-$0.15/kWh credit
Some REPs credit you at the full retail rate for every kWh you export. On a 10kW system exporting 65% of production, that is roughly $1,300-$1,500/year in credits.
$0.03-$0.05/kWh credit
Many default REP plans pay wholesale for exported solar. Same 10kW system, same 65% export — but only $300-$500/year in credits. That is $800-$1,200/year less than the best plans.
Over the 25-year life of your system, the wrong buyback plan costs you $20,000-$30,000 in lost credits. That dwarfs any $500 difference in panel pricing or a $200 difference in inverter cost. This is the single most impactful financial decision in Texas solar — and most installers do not help you with it.
Ask your installer: "Which REP do you recommend for solar buyback, and why?" If they cannot answer immediately and specifically, they are leaving money on your table.
Municipal utility customers (Austin Energy, CPS Energy, etc.): You do not choose a REP — your municipal utility sets the buyback terms. Austin Energy uses the Value of Solar tariff ($0.097/kWh). CPS Energy has its own solar buyback program. These are generally favorable and predictable. Full buyback guide
Texas solar payback varies dramatically by city because utility structures are so different. Austin's VOS + rebate creates the fastest payback in the state. ERCOT areas depend entirely on your REP choice.
Avg Rate
$0.12/kWh
Buyback Type
Value of Solar ($0.097/kWh)
VOS + $2,500 Austin Energy rebate + property tax exemption. Fastest payback in TX.
Avg Rate
$0.125/kWh
Buyback Type
CPS Energy solar buyback
CPS $2,500 rebate + competitive municipal rates. Strong ROI for a muni territory.
Avg Rate
$0.13-$0.15/kWh
Buyback Type
REP solar buyback plan
Deregulated — payback depends entirely on your REP. Choose a 1:1 buyback plan.
Avg Rate
$0.13-$0.16/kWh
Buyback Type
REP solar buyback plan
Deregulated — high humidity reduces production ~5%. REP buyback selection is critical.
Upfront Cost
Annual Value (Year 1) — with 1:1 Buyback
Simple payback (1:1 buyback): $27,063 / $2,460 per year
~7.5 years (DFW)
With wholesale buyback instead: ~11 years. REP selection is the difference. After payback, the system generates pure savings for 17+ more years.
Net Cost
$27.1K
25-Yr Value
$80K+
Net Profit
$53K+
Assumptions: 10kW system, $2.50/W (TX avg), DFW/Oncor territory, cash purchase, 1,400 kWh/kW/yr production, 1:1 REP buyback, 35% self-consumption, 0.5% annual panel degradation, 3% annual rate escalation. No federal credit. 8.25% sales tax included. Conservative estimate — actual returns may be higher with Austin Energy VOS, CPS rebate, battery storage, or Propel financing.
Three panel tiers. One honest price range for each. Every quote includes everything — no hidden fees, no change orders, no surprises at signing. Sales tax is always included.
Hyundai 440W
$2.16-$2.55/W
10kW system: $21,600-$25,500
Proven Korean brand, great value for maximum ROI
Silfab 440W
$2.40-$2.65/W
10kW system: $24,000-$26,500
American-made, qualifies for Propel financing (TX is a Propel state)
REC 460W
$2.60-$2.80/W
10kW system: $26,000-$28,000
Highest efficiency, lowest degradation, best long-term performance
Texas is one of only two states where Propel financing is available. Propel uses a Concert Loan plus Prepaid ESA structure — the financing company claims the Section 48E commercial ITC (30%+), so you pay approximately 70% of system cost. Terms: 25 years, 8.99% APR, $0 down, $0 dealer fee, 660 FICO minimum. Requires FEOC panels (Silfab 440W).
You Pay
~70% of cost
APR
8.99%
FICO Min
660
Tier-1 solar panels (your choice of tier)
Enphase IQ8 microinverters
IronRidge racking and mounting
All electrical wiring and components
Building permits (all TX cities)
Utility interconnection application
REP solar buyback plan guidance
25-year workmanship warranty
Production monitoring (lifetime)
Hail damage coverage on workmanship
Sales tax (always included in quote)
Propel financing assistance (if eligible)
No hidden fees. No change orders. The price on your contract is the price you pay — including sales tax. If something unexpected comes up during installation, we absorb the cost — not you.
Texas has no state solar rebate, no state income tax (so no state credit), and no federal tax credit for homeowners. Here is what does still save you money.
100% statewide
Solar adds home value but $0 additional property tax. Texas Tax Code Section 11.27 — permanent, statewide.
$0 down, 8.99% APR
25-year term. Third-party claims Section 48E ITC. You pay ~70% of system cost. 660 FICO minimum.
Varies by REP
In ERCOT deregulated areas, choose a REP with a solar buyback plan. Best plans: 1:1 credit. Worst: wholesale rate.
$0.097/kWh credit
Value of Solar tariff — fixed credit for all exported power. Replaces net metering. Predictable 10-year income.
Up to $2,500
San Antonio municipal utility offers solar rebate. Check current availability — program runs until funds depleted.
30%+ ITC
For PPAs, leases, and Propel — financing company claims ITC, you get lower cost.
No federal ITC
Section 25D expired Dec 31, 2025. $0 for cash/loan buyers.
No sales tax exemption
~8.25% sales tax applies to solar equipment.
No state solar rebate
No statewide program. Some utilities offer local rebates.
No statewide net metering
Deregulated market — buyback depends on REP.
Federal credit status: The Section 25D residential solar tax credit expired December 31, 2025. Homeowners purchasing solar with cash or a loan receive $0 in federal tax credit. The Section 48/48E commercial ITC remains available for third-party owned systems through July 4, 2026 — Propel financing uses this structure to reduce your effective cost by ~30%.
Full guide: solar without the tax creditTexas solar is cheap — but cheap does not mean every low-price installer is a good choice. Here are the factors that matter as much or more than price per watt.
Texas Department of Licensing and Regulation requires an electrical contractor license for solar installation. NABCEP is the gold standard but is voluntary in TX. TDLR is the legal minimum — verify it.
Does the installer help you choose the right REP and solar buyback plan? This decision alone is worth $1,000+/year. An installer who leaves you on wholesale buyback is costing you money every month.
Texas gets severe hail — DFW is one of the worst hail corridors in the US. Does the workmanship warranty cover hail damage to mounting and wiring? Panel manufacturer warranty covers the panels, but installation damage is on the installer.
If using Propel financing, the installer must be Propel-certified. Not every TX installer qualifies. NuWatt is Propel-certified in Texas, which means we can offer the 30% cost reduction through third-party ITC capture.
Austin Energy, Oncor, CenterPoint, CPS Energy — each has a different interconnection process with different timelines and requirements. An installer with 200+ TX interconnections avoids the delays that plague newer companies.
Can you see the line-item breakdown of your quote? Panels, inverters, racking, labor, permits, overhead, profit — every component should be visible. If a company will not show you where your money goes, that is a signal.
The sweet spot: A $2.40-$2.65/W installer with a TDLR license, a 25-year workmanship warranty with hail coverage, Propel certification, REP buyback guidance, and transparent line-item pricing is a better choice than a $3.20/W installer with a bigger showroom. Price is one factor. Credentials, warranty, hail coverage, and buyback expertise are the others.
Straight answers to the most common questions about solar panel costs in Texas.
A quality solar installation in Texas costs $2.16-$2.80 per watt in 2026 — the cheapest in NuWatt's service markets. For a typical 10kW system, that is $21,600-$28,000 before incentives. Texas has a statewide property tax exemption but NO sales tax exemption on solar equipment (sales tax adds ~8.25%). The federal residential solar tax credit (Section 25D) expired December 31, 2025, so there is no federal credit for homeowner cash or loan purchases.
Three factors: lower labor costs, more competition among installers, and fewer regulatory requirements. Texas does not require NABCEP certification (though it is still the gold standard), permitting is generally faster, and the sheer volume of installations creates economies of scale. The same Tier-1 panels cost the same everywhere — the savings come from labor, overhead, and competitive pressure.
In ERCOT deregulated areas (DFW, Houston, most of TX), you choose your own REP and solar buyback plan. The best plans offer 1:1 retail credit for exported solar. The worst pay wholesale rates ($0.03-$0.05/kWh). The difference on a 10kW system is $800-$1,200 per year — or 2-3 extra years of payback. Ask your installer which REPs they recommend and why. If they cannot answer, that is a red flag.
No. Unlike most Northeast states, Texas does NOT exempt solar equipment from sales tax. Sales tax in TX averages 8.25% (6.25% state + up to 2% local). On a $25,000 system, that adds approximately $2,063. This is a real cost that some installers conveniently forget to mention. Factor it into your total cost comparison.
Propel is a concert loan plus prepaid ESA structure available in Texas. The homeowner pays approximately 70% of system cost (the financing company claims the Section 48E ITC on the remaining 30%). Terms are 25 years at 8.99% APR with $0 down and $0 dealer fee. Propel requires FEOC-qualifying panels (Silfab 440W). This is the strongest ownership financing option available in 2026 since it recovers a portion of the now-expired residential ITC through third-party structure.
Companies that charge $3.00/W or more in Texas typically have higher overhead costs — larger sales teams, retail showrooms, national advertising, and more layers of management. At $3.00/W in TX, the $3.50/W overhead line that applies in the Northeast is already being approached. In Texas, anything over $3.00/W needs specific justification for what the premium buys you beyond what a $2.40/W installer provides.
Payback varies dramatically by city and utility. Austin: 5-6 years (VOS + utility rebate). San Antonio: 6-7 years (CPS rebate + competitive rates). DFW (Oncor): 7-8 years (depends on REP buyback plan). Houston: 7-9 years (lower production due to humidity + REP-dependent). With Propel financing (which captures ~30% ITC through third-party structure), the effective payback is faster because your net cost is lower.
Panel prices are already near historic lows in TX. The bigger risk is losing access to Propel financing — the Section 48E commercial ITC (used by Propel and PPA providers) expires for projects beginning construction after July 4, 2026. If you plan to use third-party financing, acting before that deadline preserves the 30%+ ITC benefit that lowers your effective cost. After that date, Propel may not be available.
NuWatt quotes show you exactly where your money goes: panels, inverters, racking, labor, permits, and overhead — all on one page. Sales tax included. REP buyback guidance included. Propel financing available. No hidden fees.
Dive deeper into specific topics with our other Texas solar guides.
Full overview of costs, incentives, utilities, and next steps.
Read guideHow to choose the right REP and buyback plan for maximum ROI.
Read guideTDLR license, hail warranty, Propel certification — 7 criteria.
Read guideHow Texas solar math works after the 25D ITC expiration.
Read guide