Solar panels in Spokane, WA
What Spokane homeowners actually pay for rooftop solar in 2026 - with the same Washington incentives, sun-hour math and net-metering rules that drive payback statewide.
Avg. system
9.5 kW
Cost / watt
$3.00
Sun hours / day
3.8
Grid rate
11.6¢
A typical 9.5 kW system installed in Spokane runs about $28,500 gross. The 30% federal Residential Clean Energy Credit takes roughly $8,550 off - netting near $19,950. Expected year-one savings: $1,223, with payback near 16.3 years.
Spokane follows Washington's statewide full retail export policy. For the full picture - every Washington incentive, tax exemption and metro-level nuance - see the Washington solar guide.
Incentives Spokane homeowners can stack
- 30% federal tax credit - see the federal credit guide.
- Washington incentive: Sales tax exemption
- Sales-tax exemption on solar equipment.
Get vetted Spokane installer quotes.
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Other Washington metros we cover
Related guides
The 30% Federal Solar Tax Credit, Explained
How the Residential Clean Energy Credit works, what it covers, who qualifies, and how to actually claim it on your return.
Net Metering vs. Net Billing vs. Avoided Cost
The single biggest driver of solar payback after the federal credit - how your utility credits the power you export back to the grid.
How Much Do Solar Panels Actually Cost?
National and state cost benchmarks in $/watt, what drives the range, and how to spot inflated bids.
Do You Need a Home Battery?
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