Solar Contractors License (C-46)

A solar contractors license allows a contractor to install, modify, maintain, and repair thermal and photovoltaic solar energy systems.

Note:A contractor classified in this section shall not undertake or perform building or construction trades, crafts, or skills, except when required to install a thermal or photovoltaic solar energy system.

Before you can apply for your solar contractors license, you must meet the following experience requirements:

Every applicant has to pass the Law & Business exam and the Trade exam before the license is issued.

Not sure which one to apply for? Compare all contractor license classifications before you choose yours.

If you want a more detailed walkthrough, read our guide on how to get your C-46 solar contractors license.

Don't have 4 years of solar experience?
A college degree can be substituted for up to three years of that experience.

In order to obtain your solar contractors license, you are required to pass the Trade examination as well as the Law & Business exam.

*Even though you can apply for a solar contractors license when you are 18 years old, it is recommended that you be at least 23 years old due to experience requirement.

C-46 Solar Exam Format and Passing Score

To get licensed you must pass two closed-book exams administered by PSI at testing centers across California: the Law and Business exam and the C-46 Solar trade exam. A score of at least 72% is required to pass each exam. The C-46 trade exam covers energy conservation, solar space heating and cooling, solar domestic hot water systems, photovoltaic power systems, and basic electrical theory.

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