Solar Savings Calculator for Washington

Washington homeowners pay an average of $125/month for electricity at 12.5¢/kWh. With 3.5 peak sun hours per day, solar can dramatically cut your energy costs.

$125
Avg Monthly Bill
12.5¢/kWh
Electricity Rate
3.5h/day
Peak Sun Hours
$33,087
Est. 25-Year Savings

Calculate Your Savings in Washington

Adjust Your Details for Washington

$
$50$1,000
50010,000
5¢50¢

Your Estimated Solar Savings

System Size
9.6 kW
Panel Count
24 panels
Total System Cost
$27,360
Federal Tax Credit (30%)
-$8,208
Net Cost
$19,152
Annual Savings
$1,500
Payback Period
12.8 years
25-Year Savings
$33,087
Return on Investment
173%

* Estimates based on 3.5 peak sun hours/day in Washington, system cost of $2.85/watt, 30% federal ITC, 3% annual electricity inflation, and 0.5% annual panel degradation over 25 years. Actual results may vary.

Solar Incentives in Washington

Federal Solar Investment Tax Credit (ITC)

Reduces federal income tax liability by 30% of the total cost of a solar energy system, including equipment and installation.

30% of system cost

Cities in Washington

Select your city for a more precise estimate with local electricity rates and utility information.

Seattle

12.8¢/kWh · 3.3h sun/day

Avg bill: $128/mo · Seattle City Light

Spokane

11.5¢/kWh · 3.8h sun/day

Avg bill: $118/mo · Avista Utilities

Tacoma

12¢/kWh · 3.4h sun/day

Avg bill: $120/mo · Tacoma Power

Vancouver

12.5¢/kWh · 3.5h sun/day

Avg bill: $122/mo · Clark Public Utilities

Bellevue

13¢/kWh · 3.3h sun/day

Avg bill: $135/mo · Puget Sound Energy (PSE)

Kent

12.5¢/kWh · 3.3h sun/day

Avg bill: $122/mo · Puget Sound Energy (PSE)

Everett

12¢/kWh · 3.2h sun/day

Avg bill: $118/mo · Snohomish County PUD

More Solar Resources for Washington

Washington Solar IncentivesTax credits, rebates, and SRECsWashington Cost ComparisonSolar vs. grid costs over 25 yearsWashington System SizingHow many panels your home needsWashington Permits & RegulationsLocal permit requirements and HOA rulesIs Solar Worth It in Washington?Data-driven analysis for your stateWashington Financing OptionsCompare loans, leases, and PPAs

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