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Top Solar Companies in Washington

6+ verified contractors in Washington. Compare pricing, read reviews, and find the best fit for your project.

There are 6+ verified companies serving Washington. Whether you need installation, removal, battery storage, or ongoing maintenance, Top Solar Services makes it easy to compare local contractors by reviews, pricing, and credentials. Every listed company has been vetted through our human-led process. Washington homeowners typically pay $15,500–$25,000 for a complete residential solar system before incentives. Use the filters below to narrow by city, rating, or project size.

6 solar companies in Washington

Emerald Solar Washington

Verified
4.5 1 review
Website
Email
Location
Seattle, WA
Founded
2018
Languages
English
Services provided
  • Solar Installation 75%
  • Battery Storage 15%
  • System Maintenance 10%

Emerald Solar Washington installs grid-tied and hybrid solar systems across the Pacific Northwest. Our crews are factory-trained on SunPower, Enphase, and LG Chem products. See all 1 review →

Reliable Communicative

Browse other solar services in Washington

Solar Installation · Solar Removal · Panel Cleaning · Battery Storage · Commercial Solar · System Maintenance

People Also Ask

Who are the top solar companies in Washington in 2026?

Our directory ranks the top 6+ solar companies in Washington by verified review score, NABCEP certification status, warranty terms, and project completion rate. The shortlist is led by locally-owned, NABCEP-certified installers concentrated in the state's largest metros. Use the filters above to compare by city, rating, and service type.

How much does solar installation cost in Washington?

Residential solar systems in Washington typically cost $15,500–$25,000 installed. Washington's long summer daylight hours compensate for cloudy winters — annual production averages 1,050–1,200 kWh/kW The federal residential ITC (Section 25D) expired December 31, 2025, so state and utility incentives are now the main driver of net cost.

What solar incentives are available in Washington?

Washington homeowners may benefit from Washington's sales tax exemption on solar systems under 10 kW and net metering through most utilities. Solar leases and PPAs may still capture the commercial 48E credit indirectly. Ask any contractor on this page for a current incentive stack analysis specific to your address and utility.

How do I verify a solar contractor's license in Washington?

Every state maintains a contractor licensing database — typically operated by the state's Department of Consumer Affairs, Contractors State License Board, or Board of Electrical Contractors. Ask the contractor for their license number and verify it directly. Top Solar Services confirms license status before issuing the Verified or Premier Verified badge.

Is solar worth it in Washington without the federal tax credit?

For many Washington homeowners, yes — particularly where retail electricity rates are high, net metering exists at retail or near-retail rates, and state rebate or SREC programs apply. The federal residential 25D credit expired December 31, 2025, which has stretched typical payback periods, but lifetime savings on a 25-year system remain positive in most cases. Solar leases and PPAs (third-party owned systems) may still capture the commercial 48E credit indirectly through pricing.

Frequently Asked Questions About Solar in Washington

2026 Tax Credit Update: The federal residential solar tax credit (Section 25D) expired December 31, 2025. Commercial credits (48E) still apply. Learn more →
How much does solar installation cost in Washington?

Residential solar systems in Washington typically cost $15,500–$25,000 installed before incentives. Washington's long summer daylight hours compensate for cloudy winters — annual production averages 1,050–1,200 kWh/kW Note: the federal residential solar tax credit (Section 25D) expired December 31, 2025, so state, utility, and lease/PPA-based incentives are now the primary ways to lower net cost.

Are there solar incentives in Washington?

Yes. Washington homeowners may benefit from Washington's sales tax exemption on solar systems under 10 kW and net metering through most utilities. The federal residential solar tax credit (Section 25D) expired December 31, 2025, so state and utility incentives are now the primary stack. Solar leases and PPAs (third-party owned systems) may still qualify for the commercial 48E credit passed to lessors.

How do I find a licensed solar contractor in Washington?

Look for contractors with a valid Washington contractor license, NABCEP certification, and verified reviews on Top Solar Services. Every company on this page has been vetted through our human-led verification process.

How many solar companies are in Washington?

Top Solar Services lists 6+ verified solar companies in Washington, covering installation, removal, battery storage, commercial projects, and ongoing maintenance.

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