Solar Installer License in Washington
Everything you need to know about getting your solar installer license in Washington. A state license is required.
Washington Note: Electrical contractor license required.
How to Get Licensed: Step by Step
Meet Basic Requirements
Be at least 18 years old with a valid ID. Pass a background check.
Complete Education
High school diploma or GED; NABCEP PV Installation Professional certification preferred
Gain 2 Years of Experience
Minimum 2 years of solar PV installation experience or NABCEP certification.
Pass the Solar Contractor Exam
Register with NABCEP and pass the required licensing exam.
Obtain Insurance & Bonding
Secure General Liability, Workers Compensation insurance and a $11,500 surety bond.
Submit Application
Apply to the Washington State Department of Labor and Industries. Pay the application and license fees.
Requirements
| Age Requirement | 18+ |
| Experience | 2 years — Minimum 2 years of solar PV installation experience or NABCEP certification. |
| Education | High school diploma or GED; NABCEP PV Installation Professional certification preferred |
| Background Check | Required |
Fee Breakdown
Exam Information
- Exam Name
- Solar Contractor Exam
- Provider
- NABCEP
- Exam Fee
- $230
Insurance & Bonding
Insurance Requirements
Required Types:
- General Liability
- Workers Compensation
Minimum Coverage:
$500,000 per occurrence / $1,000,000 aggregate
Surety Bond
A surety bond of $11,500 is required.
Continuing Education
- Hours Required
- 12 hours
- Period
- Every 2 years
Frequently Asked Questions
Do I need a license to work as a solar installer in Washington?
How much does a solar installer license cost in Washington?
How long does it take to get a solar installer license in Washington?
Is there a solar installer exam in Washington?
Does Washington have reciprocity with other states for solar installer licenses?
Last verified: March 4, 2026
Information sourced from Washington State Department of Labor and Industries. Always verify directly with the licensing authority for the most current requirements.
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Licensing requirements change frequently. If you notice outdated or incorrect information about Washington Solar Contractor License, please let us know.