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Dallas County

Solar Panel Cost in Dallas, Texas (2026)

Updated March 2026

$27,300
Average system cost
$45,900
25-year savings
10.4 yrs
Payback period
$2.6/W
10.5 kW avg system
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How much do solar panels cost in Dallas?

A 10.5 kW system in Dallas averages $27,300 installed. At $2.6/W, that puts your payback at 10.4 years with $45,900 in lifetime savings.

Good
$23,205
Average
$27,300
High
$31,395
SizeCost$/WattAnnual savingsPayback
5 kW$13,000$2.60/W$874/yr10.4 yrs
6 kW$15,600$2.60/W$1,049/yr10.4 yrs
7 kW$18,200$2.60/W$1,224/yr10.4 yrs
8 kW$20,800$2.60/W$1,398/yr10.4 yrs
9 kW$23,400$2.60/W$1,573/yr10.4 yrs
10 kW$26,000$2.60/W$1,748/yr10.4 yrs
12 kW$31,200$2.60/W$2,098/yr10.4 yrs
14 kW$36,400$2.60/W$2,447/yr10.4 yrs

* Payback includes 30% federal tax credit.

How much can you save with solar in Dallas?

10.4
Year payback
140%
25-yr ROI
$1,836
Per year
$45,900
Lifetime
Average monthly bill$180
Monthly savings with solar$153
Annual savings$1,836
25-year net savings$45,900

After payback in year 10.4, you pocket $1,836 every year for the remaining 14.6 years of the panel warranty. Solar also adds ~4% to home value. On a $420,000 home, that's $16,800 in equity.

What do Dallas homeowners ask about solar?

Is solar a good investment in Dallas?
Yes. Dallas homeowners see a 10.4-year payback and 140% ROI over 25 years. The deregulated energy market means you can shop for the best solar buyback plan.
How much does solar cost in Dallas?
The average 10.5 kW system costs $27,300 installed at $2.60/W ($19,110 after the 30% federal tax credit). Payback takes about 10.4 years.
How does Dallas's deregulated electricity market affect solar?
Dallas is served by Oncor for transmission, but you choose your retail provider. Many providers offer solar buyback or net metering plans that credit you for excess energy sent to the grid.
Are there any solar incentives in Dallas?
Texas exempts solar equipment from property tax increases and sales tax. Some retail electricity providers in the Oncor territory offer buyback credits for excess solar generation.
Do solar panels increase home value in Dallas?
Studies show solar adds about 4% to home value. On a $420K Dallas home, that's roughly $16,800 in added equity.

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