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| System size | Typical home | Estimated cost |
|---|---|---|
| 6 kW | Smaller / efficient home | ~$17,000 |
| 8 kW | Average Texas home | ~$23,000 |
| 10 kW | Larger / high-usage home | ~$29,000 |
Texas gets strong sun (~5.2 peak sun hours/day) and the average residential electricity rate is around 15¢/kWh. Big air-conditioning bills in summer mean many Texas homes have high usage to offset — which is what drives solar savings.
(Programs and plans change — confirm with your utility, retail provider, and a tax professional.)
Without the federal credit, most Texas homeowners see payback in about 11–14 years, then largely free power for the rest of the system's 25+ year life. Payback is faster with a high summer electric bill and a good solar buyback plan, and slower on plans that pay little for exports.
Not statewide. Instead, many retail electricity providers offer voluntary "solar buyback" plans that credit excess generation — rates vary, so the plan you pick has a big impact on savings.
The 30% federal residential credit ended nationwide on Dec. 31, 2025 for purchased systems. Texas's property-tax exemption and local rebates still apply.
Often yes for high-usage homes with good sun and a solid buyback plan — payback is just longer now (typically 11–14 years).
Solar Cost Advisor is a free, neutral tool — we don't sell panels. We help Texas homeowners understand real solar costs and, if they choose, connect with vetted local installers. Get your free estimate →
