Licenses (Mandatory):

Texas Electrical Contractor's License (TECL): You'll need a TECL issued by the Texas Department of Licensing and Regulation (TDLR) to operate as a solar contractor. The TECL allows your company to install, repair, and alter electrical systems, which includes solar panel installations.

• Company License: Your solar installation business needs a Texas Electrical Contractor's License. To understand the application process and requirements, check the TDLR website (https://www.tdlr.texas.gov/).
• Electrician License: You'll need licensed electricians on your team. some text
  • Master Electrician: If you have the qualifications and experience, obtaining a Master Electrician license allows you to supervise electrical work and operate independently.
  • Work under a Master: Alternatively, you can employ a Master Electrician to oversee the electrical aspects of your solar projects.

Additional Considerations: 

NABCEP Certification (Optional): While not mandatory, obtaining a NABCEP PV Installation Professional certification demonstrates expertise and can enhance your reputation.

This information has been referenced from the following sites - 1, 2