Solar Installer License Requirements

Install and maintain solar photovoltaic systems on buildings. Compare requirements across all 50 states.

17

States Require License

$517

Average Initial Cost

17

States Require Exam

About Solar Installer Licensing

Solar installers design, install, and maintain photovoltaic (PV) systems that convert sunlight into electricity for residential, commercial, and utility-scale applications. The work involves mounting solar panels on rooftops or ground-mounted structures, wiring panels into arrays, installing inverters and electrical connections, and ensuring systems comply with electrical codes and interconnection requirements.

The solar industry has experienced rapid growth, and installers must stay current with evolving technology, building codes, and utility interconnection standards. Modern solar installations often include battery storage systems, monitoring equipment, and smart inverters that interact with the electrical grid.

Licensing Landscape

Solar installation licensing requirements are evolving as the industry matures. Many states require an electrical contractor license for the electrical portions of solar installation, while the mechanical mounting may fall under a general contractor or roofing license. Some states have created specific solar contractor license categories. NABCEP (North American Board of Certified Energy Practitioners) certification is the industry-recognized credential and is required or recommended in several states.

Common Requirements

  • Electrical contractor license in most states
  • NABCEP PV Installation Professional certification
  • OSHA safety training including fall protection
  • Knowledge of NEC Article 690 (Solar PV Systems)
  • General liability insurance
  • Roofing license may be required for roof-mounted systems

What Does a Solar Installer Do?

Assess sites for solar potential and shading
Design PV system layouts and electrical schematics
Install mounting systems on roofs and ground structures
Wire solar panels, inverters, and electrical connections
Install battery storage systems
Commission systems and verify performance
Process permits and utility interconnection applications
Perform maintenance and troubleshoot system issues

Career Outlook

Average Salary Range

$42,000 - $75,000

Projected Growth

22% (2022-2032)

Solar installation is one of the fastest-growing occupations in the country, driven by declining equipment costs, federal and state incentives, and growing consumer demand for clean energy. The Inflation Reduction Act and state renewable portfolio standards continue to accelerate market growth. Battery storage integration is creating additional demand for skilled installers.

Frequently Asked Questions

Do I need an electrician license to install solar panels?
In most states, yes — at least for the electrical portions of the installation. Some states allow solar-specific licenses, while others require a full electrician or electrical contractor license. The mechanical mounting may require a separate roofing or general contractor license.
What is NABCEP certification?
NABCEP (North American Board of Certified Energy Practitioners) certification is the gold standard credential for solar professionals. The PV Installation Professional certification demonstrates competency in solar design and installation and is increasingly required or recognized by states and employers.
Can I install solar panels on my own home without a license?
Homeowner exemptions vary by state. Some states allow homeowners to install solar on their own primary residence without a contractor license, but you still need to obtain permits and pass inspections. The electrical work may still require a licensed electrician in many jurisdictions.

Find Your State's Solar Installer Requirements

Select your state below to see the specific licensing requirements, fees, exams, and step-by-step application process for solar installers.

Solar Installer License by State

Alabama

Not Required

Alaska

Not Required

Arizona

Required
Est. cost: $440 Exam required 2yr exp.

Arkansas

Not Required

California

Required
Est. cost: $650 Exam required 2yr exp.

Colorado

Required
Est. cost: $515 Exam required 2yr exp.

Connecticut

Required
Est. cost: $560 Exam required 2yr exp.

Delaware

Not Required

Florida

Required
Est. cost: $465 Exam required 2yr exp.

Georgia

Not Required

Hawaii

Required
Est. cost: $700 Exam required 2yr exp.

Idaho

Not Required

Illinois

Not Required

Indiana

Not Required

Iowa

Not Required

Kansas

Not Required

Kentucky

Not Required

Louisiana

Not Required

Maine

Not Required

Maryland

Required
Est. cost: $535 Exam required 2yr exp.

Massachusetts

Required
Est. cost: $605 Exam required 2yr exp.

Michigan

Not Required

Minnesota

Not Required

Mississippi

Not Required

Missouri

Not Required

Montana

Not Required

Nebraska

Not Required

Nevada

Required
Est. cost: $490 Exam required 2yr exp.

New Hampshire

Not Required

New Jersey

Required
Est. cost: $585 Exam required 2yr exp.

New Mexico

Required
Est. cost: $410 Exam required 2yr exp.

New York

Not Required

North Carolina

Required
Est. cost: $430 Exam required 2yr exp.

North Dakota

Not Required

Ohio

Not Required

Oklahoma

Not Required

Oregon

Required
Est. cost: $515 Exam required 2yr exp.

Pennsylvania

Not Required

Rhode Island

Not Required

South Carolina

Not Required

South Dakota

Not Required

Tennessee

Not Required

Texas

Required
Est. cost: $430 Exam required 2yr exp.

Utah

Required
Est. cost: $440 Exam required 2yr exp.

Vermont

Not Required

Virginia

Required
Est. cost: $490 Exam required 2yr exp.

Washington

Required
Est. cost: $535 Exam required 2yr exp.

West Virginia

Not Required

Wisconsin

Not Required

Wyoming

Not Required