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Top Solar Companies in Denton, TX for 2026: A Local-First List

Denton is a municipal-utility island in deregulated Texas, and your address decides the rulebook. Three vetted installers, one based downtown.

Local base named on every cardLicences recorded in our registerNo “pay-to-rank” listings
Local: Hickory Street, DentonDenton Solar
Fort Worth base, Texas-onlyCircle L Solar
Dallas office, licences shownLonghorn Solar
Quick Answer

Three verified installers cover Denton, led by a company based on Hickory Street downtown. The Denton-specific truth: inside the city limits your utility is Denton Municipal Electric, the city’s own power company, which runs its own solar rebate with a pre-approval step, while addresses just outside the line shop the deregulated market instead. Which side of that line you live on is the first question of your whole project.

Denton is an island on the Texas grid map: a city that owns its own electric utility while the counties around it buy power the deregulated way. That single fact reorganizes a solar purchase here. Inside the city, Denton Municipal Electric sets the rules, pays its own rebate and credits your production without any retail plan shopping; outside the line, the two-contract logic of the DFW market takes over. The right installer knows both worlds and can tell you, from your address alone, which one you are in. These 3 cleared our checks.

Denton Runs Its Own Grid, and That Changes Your First Question

  • Inside the line: one utility, its own rebate. Denton Municipal Electric customers do not shop retail plans; the city utility handles the meter and runs a solar rebate program with an application that belongs BEFORE installation, on a budget set year to year. The current amount and window go in your proposal, dated, or the rebate is a rumor.
  • Outside the line: the deregulated playbook. Addresses beyond DME territory choose a retail provider, and the plan picked sets what exports earn. Same city name, different arithmetic; the proposal must say which world it was built for.
  • Either side, the anchor holds: $2.44 per watt. Texas’s competitive installed price per the EcoGen Solar Cost Index puts a 7 kW system near $17,100 before extras. With the federal residential credit ended for installations completed after December 31, 2025, the rebate paperwork and the sticker price carry the Denton math.

The Denton Lineup: One Local, Two Within an Hour

#1

Denton Solar

Local: Hickory Street, downtown Denton10-yr roof penetration warranty

The hometown pick, based on East Hickory Street with homes, businesses and public-sector work in its portfolio, and a 10-year roof penetration warranty printed on its own site alongside 25-year manufacturer coverage. A Denton address means the DME rebate process is its home paperwork. Its licence number is not printed on the site; ask for the TECL with your quote and check it, the standard we hold everyone to.

BaseDenton, TX
Warranty10-yr roof penetration
FocusResidential + public sector
ServesDenton + surrounding
✔ Verified by EcoGenCompany profiledentontxsolar.com
#2

Circle L Solar

Fort Worth base, about 40 milesTexas-only since 2016

The Tarrant County option: headquartered in Fort Worth since 2016, a fully integrated sales-to-install company that works Texas and only Texas, with Enphase credentials displayed. Forty miles down I-35W is normal service range; the Denton-specific homework is making it walk you through a DME rebate application it has actually filed.

BaseFort Worth, TX
Since2016, per its own site
ModelIn-house, sale to install
ServesTexas statewide
✔ Verified by EcoGenCompany profilecirclelsolar.com
#3

Longhorn Solar

Dallas office, about 40 milesTECL#27514

The disclosure benchmark within reach: a Texas-only installer with its electrical licence TECL#27514 and master electrician ME-9047 printed on its own site and a 25-year performance and workmanship warranty behind the work. Its Dallas office covers the metroplex; confirm the crew that drives to Denton and how it handles the DME pre-approval calendar.

BaseTexas, Dallas office
LicencesTECL#27514 + ME-9047
Warranty25-yr performance + workmanship
ServesDFW, Austin, San Antonio
✔ Verified by EcoGenCompany profilelonghornsolar.com

Bases, Proof and the Question Each Must Answer

Installer
Where crews start the day
Checkable proof
The Denton homework
Denton Solar
Denton, downtown
Roof warranty on its own site
TECL number on request
Circle L Solar
Fort Worth, about 40 miles
Since 2016, Texas-only
A DME rebate it has filed
Longhorn Solar
Dallas, about 40 miles
TECL#27514 on its own site
The crew that drives to Denton

Whether your address sits inside DME territory, what the rebate window looks like and the fair price band are all checkable up front. Enter your ZIP code and we will sort your side of the line first.

Check which utility rulebook your Denton address follows

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Denton Deals That Deserve a Second Opinion

A rebate promised without the pre-approval step. The city utility’s program expects the application before the install, on a budget that is set year to year. A quote that books the rebate as automatic cash is either careless or counting on you not to check.
Deregulated-market math on a city meter. Buyback-plan shopping does not apply inside DME territory, and DME crediting does not apply outside it. A proposal that never says which utility serves your address was written before anyone looked.
A university-town door pitch with a countdown clock. High-turnover sales crews work college markets hard in the summer. Any “sign tonight” price in Denton deserves the same answer as everywhere else: a second bid from this page.

Nail These Down With Any Denton Bidder

Which utility serves my address, and how does that change this quote?
Inside the city line it is Denton Municipal Electric with its own rebate and crediting; outside, a retail plan sets your export value. The right installer answers from your address before talking panels.
Have you filed a DME rebate application before, and who files mine?
The program runs on pre-approval and a yearly budget, so the current window belongs in the proposal with a date. An installer who has filed one recently quotes the process from experience, not from the brochure.
What is my price per watt before the rebate?
Texas’s competitive figure is $2.44. The rebate improves the math after the price is honest, never instead of it; every dollar above the anchor should arrive as a named line item.
What is your TECL number?
The state lookup takes minutes. Longhorn prints its number on its own site; every bidder at your table should hand theirs over without friction.

How We Rank Solar Companies

Rankings are built from what we can verify, never from who pays us. For Denton, five weighted factors:

Rebate & Utility Paperwork 30%
Customer Satisfaction 25%
Response Distance 20%
Warranty Strength 15%
Local Base 10%

Frequently Asked Questions

Who are the best solar companies in Denton, TX?

Denton Solar, Circle L Solar and Longhorn Solar make up our vetted Denton network for 2026. Denton Solar ranks first as the hometown pick, based on East Hickory Street downtown with its roof warranty terms printed on its own site.

How much do solar panels cost in Denton in 2026?

Texas’s competitive installed price is $2.44 per watt before incentives, per the EcoGen Solar Cost Index, putting a 7 kW system near $17,100. Inside city limits the Denton Municipal Electric rebate then works on that number, provided the application is approved before installation.

Does Denton Municipal Electric pay a solar rebate?

Yes, DME runs its own solar rebate program with a pre-approval application and funding set year to year, separate from anything the deregulated market offers. Have your installer confirm the current amount and window in writing and handle the filing.

Can I choose my electricity provider in Denton?

Not inside the city limits: Denton Municipal Electric is the city-owned utility there, so there is no retail plan shopping. Addresses outside DME territory sit in the deregulated market, where choosing a plan with fair solar buyback terms becomes part of the project.

Is Denton Solar actually based in Denton?

Yes, its own site places it at 608 E Hickory Street in downtown Denton, serving homes, businesses and public facilities in the area. Its licence number is not printed on the site, so ask for the TECL with your quote and check it in the state lookup.

Looking past the city line? Our Texas company rankings hold the statewide field, the Fort Worth rankings cover the deregulated side of the metroplex, and the Texas cost guide shows the math behind the $2.44 anchor.

One address decides your whole rulebook. Enter your ZIP code and start on the right side of the line.

Match with installers fluent in the Denton process

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Sources

EcoGen America reviewed Denton Municipal Electric solar program resources, City of Denton utility materials, Public Utility Commission of Texas retail choice resources, the Texas Department of Licensing and Regulation licence lookup, installer base, warranty and coverage disclosures stated by the companies themselves, and federal tax guidance for this article. Sources were accessed August 14, 2026, unless another date is listed below.

  1. Denton Municipal Electric / City of Denton. Solar Rebate and Distributed Generation Resources. The city-owned utility’s program materials. Accessed August 14, 2026.
  2. Public Utility Commission of Texas. Retail Electric Choice Resources. The deregulated-market resources governing addresses outside DME territory. Accessed August 14, 2026.
  3. Texas Department of Licensing and Regulation. Electrical Contractor Licence Search. The state’s licence register. Accessed August 14, 2026.
  4. Denton Solar. Company Base and Warranty Disclosures. Installer-stated information. Accessed August 14, 2026.
  5. Circle L Solar. Company Base, History and Coverage Disclosures. Installer-stated information. Accessed August 14, 2026.
  6. Longhorn Solar. Company Licence and Warranty Disclosures. Installer-stated information, including TECL#27514. Accessed August 14, 2026.
  7. Internal Revenue Service (IRS). FAQs for Modification of Sections 25C, 25D, 25E, 30C, 30D, 45L, 45W and 179D under Public Law 119-21. Federal guidance confirming termination of the residential clean energy credit for installations completed after December 31, 2025. Accessed August 14, 2026.