Solar Savings Calculator Texas (TX) 2026

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Why Texas Is One of the Best States for Solar in 2026

Texas is a solar powerhouse — literally. The Lone Star State generates more electricity from solar than any other U.S. state except California, producing over 18,500 megawatts (MW) of solar capacity as of 2025, enough to power more than 2 million homes (SEIA, 2025).

But here's the thing: most of that capacity comes from utility-scale solar farms in West Texas, not rooftop systems on homes. The residential solar market in Texas is still underdeveloped relative to its potential. If you're a Texas homeowner considering solar, you're in a unique position — you have abundant sunshine, relatively high electricity rates, and a deregulated electricity market that gives you choice, but you also face challenges like the lack of statewide net metering and complex utility policies.

This guide breaks down everything you need to know about going solar in Texas in 2026: real electricity rates by region, net metering policies (or the lack thereof), state-specific incentives, system costs, payback periods, and a detailed case study of a typical Texas homeowner.

Texas Electricity Rates in 2026: Why Solar Makes Sense

Texas has a deregulated electricity market — meaning most Texans (outside municipal utility territories) can choose their electricity provider from dozens of Retail Electric Providers (REPs). This competition keeps rates relatively competitive, but prices have been rising due to increased demand, grid reliability concerns, and fuel costs.

According to the U.S. Energy Information Administration (EIA), the average residential electricity rate in Texas was approximately $0.147 per kWh in early 2026, slightly higher than the national average of $0.168/kWh. However, rates vary significantly by region and provider:

Texas Region Avg. Rate (2026) Key Providers
Houston (CenterPoint) $0.15–$0.18/kWh Reliant, Direct Energy, TXU
Dallas (Oncor) $0.14–$0.17/kWh TXU, Ambit, Just Energy
Austin (Austin Energy) $0.11–$0.13/kWh Municipal utility
San Antonio (CPS Energy) $0.10–$0.12/kWh Municipal utility
West Texas (co-ops) $0.10–$0.13/kWh Rural co-ops

Why this matters for solar: Even at $0.14/kWh, a typical Texas home using 1,200 kWh/month pays $200–$220/month. Over 25 years, that's $60,000–$66,000 in electricity costs (assuming 3.5% annual inflation). A $15,000 solar system (after tax credit) that eliminates your bill pays for itself in 7–9 years, then generates free electricity for 15+ years.

Net Metering in Texas: What You Need to Know

Unlike states like California or Massachusetts, Texas does not have a statewide net metering policy. Net metering is an arrangement where your utility credits you at the full retail rate for excess solar electricity you send to the grid. In Texas, the policy is set by individual utilities, and most do not offer full retail net metering.

Here's the breakdown of Texas solar interconnection policies by utility type:

Municipal Utilities (Better for Solar)

Some Texas municipal utilities offer net metering or solar rebates:

Investor-Owned Utilities (Mixed)

Oncor, CenterPoint, and AEP Texas (the three largest utilities in Texas) do not offer net metering. Instead, most homeowners are on a net-billing arrangement:

Real-world impact: In a net-metering state, a 10-kW system might save you $1,500/year. In Texas (net-billing), the same system might save you $1,100–$1,300/year. Still substantial, but not as high as states with full retail net metering.

Texas-Specific Solar Incentives in 2026

Beyond the federal solar tax credit (30% through 2032), Texas offers several state-level incentives that can reduce your system cost:

1. Property Tax Exemption for Solar (SB 206)

Texas law exempts the added home value from solar panels from your property taxes. For example, if solar adds $20,000 to your home value, you won't pay property taxes on that $20,000. This is a significant benefit in high-property-tax Texas — potentially saving you $400–$600/year depending on your local tax rate.

2. Solar Rebates from Municipal Utilities

As mentioned, Austin Energy and CPS Energy offer rebates up to $2,500. Some smaller municipal utilities also offer rebates — check with your local utility.

3. Federal Tax Credit (30%)

This applies to all U.S. states, but it's worth emphasizing: a $20,000 solar system installed in 2026 yields a $6,000 federal tax credit, reducing your net cost to $14,000. This is the single biggest financial incentive for Texas solar.

4. Solar Rights Laws (Texas Property Code § 202.001)

Texas law prohibits HOAs from banning solar panels outright, though they can impose reasonable restrictions on placement. If your HOA is giving you trouble, cite this law.

Solar System Costs in Texas (2026)

Based on data from SolarReviews and local installer quotes, here are typical system costs in Texas:

System Size Avg. Cost (Before ITC) After 30% Tax Credit
5 kW $13,500–$16,500 $9,450–$11,550
7 kW $18,900–$23,100 $13,230–$16,170
10 kW $27,000–$33,000 $18,900–$23,100

Important note: These are averages. Your actual quote may be higher or lower depending on:

Always get at least 3 quotes from local Texas installers. The EnergySage Marketplace is a good tool to compare quotes.

Case Study: A Houston Homeowner Going Solar in 2026

Let's walk through a realistic example. Meet Sarah, a Houston homeowner with a 2,200 sq. ft. home and a monthly electricity bill of $210 (about 1,400 kWh/month at $0.15/kWh).

Step 1: System sizing. Sarah's annual usage is 16,800 kWh. In Houston, you get about 4.8 peak sun-hours/day on average. To cover 100% of her usage, she needs a 10.5-kW system (16,800 ÷ 365 ÷ 4.8 × 1.15 efficiency factor = ~10.5 kW).

Step 2: System cost. At $2.70/watt (typical for Houston), a 10.5-kW system costs $28,350 before incentives. After the 30% federal tax credit, her net cost is $19,845.

Step 3: Savings calculation. Sarah's current annual electricity cost is $210 × 12 = $2,520. With 3.5% annual inflation, her 10-year electricity cost would be about $29,800. Her solar system costs $19,845 and eliminates her bill entirely (assuming no grid exports). Payback period: 7.9 years.

Step 4: 25-year outlook. After the 7.9-year payback, Sarah enjoys 17.1 years of free electricity. At year 25, she has saved approximately $42,000–$48,000 (depending on electricity inflation). Her solar system effectively earned a 12–14% annual return — better than the stock market's historical average.

Reality check: Sarah's system won't cover 100% of her usage in winter (shorter days, less sun). She'll still pay $20–$40/month for grid power in December and January. But overall, she's far better off with solar than without it.

Peak Sun Hours in Texas: Why Location Matters

Texas is a big state — sunlight varies from west to east. West Texas (El Paso, Midland) gets 6.0–6.5 peak sun-hours/day, while East Texas (Houston, Beaumont) gets 4.5–5.0. Here's a regional breakdown:

Texas Region Peak Sun-Hours/Day Best System Size
West Texas (El Paso) 6.0–6.5 8–10 kW
Central Texas (Austin) 5.0–5.5 9–11 kW
North Texas (Dallas) 4.8–5.2 9–11 kW
South Texas (Houston) 4.5–5.0 10–12 kW
East Texas (Beaumont) 4.2–4.8 11–13 kW

Key takeaway: West Texas gets 40% more sunlight than East Texas. If you live in El Paso, you need a smaller system to generate the same amount of electricity as someone in Houston. This affects your payback period — West Texas pays back faster.

Frequently Asked Questions About Texas Solar

Data Sources & Methodology

This calculator and guide use the following authoritative data sources:

Disclaimer: This calculator provides estimates only. Actual savings depend on your specific electricity rate, roof orientation, shading, system quality, and utility policies. Always get a professional site assessment before purchasing solar.

Ready to Calculate Your Texas Solar Savings?

Use our free Texas Solar Savings Calculator below to get a personalized estimate. Enter your monthly electricity bill, utility provider, and home location — our calculator will estimate your system size, cost, payback period, and 25-year savings.

No email required, no sales calls. Just honest numbers to help you decide if solar is right for your Texas home.

Texas Solar Savings Calculator

Texas average: $180–$250/month
3 kW 10.5 kW 15 kW

Your Estimated Savings

System Cost (Before ITC): $28,350

Federal Tax Credit (30%): $8,505

Net System Cost: $19,845


Annual Electricity Savings: $2,520

Payback Period: 7.9 years

25-Year Net Savings: $44,200

California Solar Calculator

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Florida Solar Calculator

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General Solar Calculator

Use our national calculator if your state isn't listed.

Frequently Asked Questions — Texas Solar

The average cost of a residential solar system in Texas is $15,000-$25,000 before incentives (for a 6-10 kW system). After the 30% federal Investment Tax Credit (ITC), the net cost drops to roughly $10,500-$17,500. Actual costs vary based on roof complexity, panel brand, installer choice, and local permitting fees. Texas homeowners should get at least 3 quotes to compare pricing.

All U.S. homeowners qualify for the 30% federal Investment Tax Credit (ITC) through 2032. This credit reduces your federal taxes by 30% of your total system cost. In addition to the federal ITC, some states offer additional rebates, property tax exemptions, or sales tax exemptions on solar equipment. Check with your local utility and the Database of State Incentives for Renewables & Efficiency (DSIRE) for Texas-specific programs.

The typical solar payback period in Texas ranges from 7 to 12 years, depending on your electricity rate, system size, available incentives, and financing terms. After the payback period, your solar panels essentially produce free electricity for the remaining 15+ years of their 25-30 year lifespan. Higher electricity rates and strong sun exposure lead to faster payback periods.

Yes. According to a study by Lawrence Berkeley National Laboratory (LBNL), homes with solar systems sell for an average of $15,000-$25,000 more than comparable homes without solar. The exact premium depends on your location, system size, and age. Many states including Texas offer property tax exemptions for the added value from solar, so you won't pay higher taxes even though your home is worth more.

Solar works best on south-facing roofs with minimal shading, but east-west orientations can still produce 80-90% of optimal output. Key factors include: roof condition (should have 15+ years of life left), tilt angle (30-45 degrees ideal), and shading from trees or nearby buildings. A reputable installer will perform a free site assessment using satellite imagery to estimate your production potential before you commit to anything.