Updated September 2026 · Typical installed prices for Seattle, Tacoma and Everett-area homes
Most Puget Sound homeowners pay $2.50 to $3.20 per watt installed in Washington. A typical project runs $17,500 – $22,500 for a typical 7 kW system.
per watt installed in Washington
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Panels sized to your usage.
Backup power and more use of your own solar.
Replace an older roof before the panels go on.
Inspection, repairs or adding panels.
Sized to your yearly electric use.
Orientation, shading and roof condition drive output.
Storage adds backup power and cost.
Net-metering terms vary by utility.
Ranges are typical installed prices for the Seattle–Tacoma–Everett area, checked against published local pricing (sources below). They’re for planning. Your written quote is the real number.
About $2.50 to $3.20 per watt installed, or roughly $17,500 to $22,500 for a typical 7 kW system.
Roughly $12,000 to $18,000 depending on capacity.
The federal residential credit no longer applies to systems bought with cash or a loan, so compare payback carefully.
Our typical range, $2.50–$3.20 per watt installed in Washington, sits inside what local contractors and cost publishers report. Their numbers differ because each prices a different scope, finish level or home size.
Panels, inverter, racking, wiring, permits and utility interconnection paperwork.
Roof repairs, electrical panel upgrades, batteries. Tax credits and rebates come off afterwards.
Prices checked September 30, 2026 by Clearview Home Guide.
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