☀️ Solar panels in Seattle, WA: cost & savings (2026)
Cost after tax credit: $16,800 · Payback: 14.2 years · Est. savings: $1,187/year.
With about 749,256 residents, Seattle is a major metro and the largest city in Washington. Homes here pay Washington's residential rate of 11¢/kWh (about $101/month), so a typical 8 kW solar system — roughly $16,800 after the 30% federal tax credit — saves close to $1,187/year and pays back in about 14.2 years. That makes solar a longer-term play in Seattle. Below, compare nearby Washington cities and get real quotes.
Is solar worth it in Seattle?
Solar pays off fastest where power is expensive and the sun is strong. In Seattle, electricity runs about 11¢/kWh and West sunlight gives a production factor of 1.15×. A standard system offsetting most of a $101/month bill returns roughly $1,187/year and pays for itself in about 14.2 years.
Your real result depends on roof, shading, exact usage and installer pricing. Always compare a couple of real Seattle quotes before signing.
Seattle solar FAQ
How much do solar panels cost in Seattle, WA?
A typical 8 kW home system is around $24,000 before incentives, or about $16,800 after the 30% federal tax credit in Seattle. Local utility or Washington incentives can lower it further.
Is solar worth it in Seattle?
In Seattle it's a longer-term play: with Washington electricity at 11¢/kWh and West sunlight, a system saves roughly $1,187/year and pays for itself in about 14.2 years, then produces largely free power for the rest of its 25+ year life.
How much can I save with solar in Seattle?
About $1,187 per year and roughly $12,875 over 25 years after the system pays for itself. Exact savings depend on your roof, shading and usage.
How do I get cheap solar in Seattle?
Get at least three quotes from installers active in Seattle, claim the 30% federal tax credit, stack any Washington or utility rebates, and avoid oversizing the system beyond your $101/month usage.