The 5 best solar installers in Washington
A&R Solar Local
Why listed: Seattle-based residential and commercial solar installer with strong WA reputation.
Puget Sound Solar Local
Why listed: Long-running Seattle-area residential installer with strong design and engineering focus.
Western Solar Local
Why listed: Bellingham-based residential solar installer with strong NW WA reputation.
Sunbridge Solar Local
Why listed: PNW residential installer with strong Vancouver/Portland reputation.
Sunrun National
Why listed: Largest U.S. residential solar provider. Lease/PPA-focused.
Washington solar economics in 2026
| Metric | Washington average |
|---|---|
| Average residential rate | $0.10–$0.13 / kWh |
| Typical 8 kW system cost (cash) | $22,000–$28,000 before incentives |
| Average $/W | $2.75–3.50 |
| Average annual production (kWh per kW) | ~1,000–1,200 kWh/kW/year |
| Net metering structure | Net metering at retail (PSE, Seattle City Light, Snohomish PUD, others) |
| Average cash payback | 13–17 years |
For full state-by-state cost comparison see solar cost by state.
Washington incentives and rebates
- Sales tax exemption: Solar PV equipment is sales-tax-exempt.
- Property tax exemption: Added home value from solar exempt from property tax.
- Federal commercial ITC for lease/PPA financing.
- Federal commercial ITC: Lease and PPA structures benefit from the commercial ITC pass-through. See federal tax credit guide.
What to verify before signing in Washington
- Contractor license: Verify with your state contractor licensing authority before signing.
- NABCEP certification: Most reputable installers carry NABCEP-certified installers on staff. Ask which crew member holds the certification.
- Insurance: General liability + workers comp + roofer's insurance separate from electrical insurance.
- References from your county: Permitting and inspection requirements vary. Ask for 2–3 references from your specific county.
- Get at least three bids: Solar bids vary by 20–35% on the same scope of work. See how to compare solar bids.
Got bids from Washington installers? Compare them properly.
Upload up to four solar proposals from any Washington installer. The analyzer compares $/W, production estimates, equipment, and financing structure — and tells you which one to sign.
Analyze My Bids →Frequently asked questions about Washington solar
Does solar make sense in Washington?
Yes for most homeowners with a $150+ monthly electric bill, an unshaded roof, and 8+ years of expected ownership. Washington's specific economics are summarized in the table above.
How much does a typical Washington solar install cost in 2026?
$22,000–$28,000 for an 8 kW system before incentives. Effective net cost depends on your state and utility incentives.
Should I get more than three bids?
Yes — three is a minimum. Four or five is better. Solar bids vary by 20–35% on the same scope of work. See how to compare solar bids.
Are there other reputable Washington solar installers besides these?
Many. The list above represents installers with strong public profiles in Washington; reputable installers exist beyond it. Get bids from a mix and compare them objectively rather than relying on any one list.