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Solar / Renewable Energy License in Washington

Requirements, Fees & How to Apply — 2026 Guide

State License Required

Quick Answer

Washington requires solar / renewable energy contractors to hold a solar contractor registration. A state exam is required. Application fees start at 200. Licenses renew 2 years.

License Requirements

  • License Type: Solar Contractor Registration
  • Exam Required: Yes — state or trade exam required
  • Experience: 4+ years in solar / renewable energy
  • Insurance: true
  • Bond: 15000

Fees

  • Application Fee: 200
  • Exam Fee: 65
  • License Fee: 200
  • Renewal Fee: 125 (2 years)

Governing Body

How to Get a Solar / Renewable Energy License in Washington

Step-by-step application process.

  1. Verify you meet the experience requirement (4+ years in solar / renewable energy)
  2. Obtain required insurance: true
  3. Obtain surety bond: 15000
  4. Pass the required exam — schedule through the state exam provider
  5. Submit application to Washington Labor & Industries (L&I)
  6. Pay applicable fees and await license issuance (typically 2–8 weeks)

Important Notes

NABCEP PV Installation Professional certification is strongly recommended. Electrical license may also be required.

Frequently Asked Questions

Do I need a license to do solar / renewable energy work in Washington?

Yes. Washington requires solar / renewable energy contractors to hold a solar contractor registration. NABCEP PV Installation Professional certification is strongly recommended. Electrical license may also be required.

How much does a solar / renewable energy license cost in Washington?

In Washington, the application fee is typically 200. Exam fees are 65. License fees are 200. Renewal is 125 per 2 years cycle.

Is an exam required for a solar / renewable energy license in Washington?

Yes, Washington requires passing a licensing exam for solar / renewable energy contractors. The exam typically covers state laws and regulations plus trade-specific knowledge.

How do I renew my solar / renewable energy license in Washington?

Washington solar / renewable energy licenses renew 2 years. Renewal fees are 125. Many states require continuing education for renewal. Contact Washington Labor & Industries (L&I) for current renewal requirements.

Does Washington have reciprocity for solar / renewable energy licenses?

Washington currently has limited formal reciprocity for solar / renewable energy licenses. Contact Washington Labor & Industries (L&I) to discuss your situation — experience from other states may still be credited.

Solar / Renewable Energy Licensing in Neighboring States

Compare requirements in nearby states — useful if you work across state lines.

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Disclaimer: Licensing requirements change frequently. Always verify current requirements with the official state licensing board before applying. This information is for general guidance only and is not legal advice.