SunPowerPeek

Solar Panels in 99201 Spokane, WA

99201 Spokane receives 4.0 hrs of peak sun daily. A 6kW system saves $811/year with a 16.1-year payback.

Peak Sun Hours

4.0 hrs

per day

6kW System Cost

$18,600

before incentives

Annual Savings

$811

per year

Annual Production

7,200

kWh/year

Payback Period

16.1 years

estimated

CO2 Offset

4.3 tons

per year

Solar Cost Breakdown for 99201

ItemAmount
6kW System Cost$18,600
Federal Tax Credit (30%)-$5,580
Net Cost (after federal credit)$13,020
Annual Savings$811/yr
20-Year Net Savings$3,200

Other ZIP Codes in Washington

Frequently Asked Questions

How much do solar panels cost in 99201 Spokane?

A 6kW solar system in 99201 Spokane costs approximately $18,600 before the 30% federal tax credit. After the credit, net cost is approximately $13,020.

How much will I save with solar in 99201?

Homeowners in 99201 can save approximately $811 per year with a 6kW system, producing 7,200 kWh annually. Over 20 years, total savings are approximately $3,200.

How much sun does 99201 Spokane get?

99201 Spokane averages 4 peak sun hours per day, which determines solar panel output. A 6kW system here produces approximately 7,200 kWh per year.

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Data verified March 2026 · Source: NREL, DSIRE, EIA