Washington Solar Rebates, Tax Credits & Incentives (2026)

Complete guide to solar incentives in Washington. See how much you can save with the federal tax credit, state programs, utility rebates, and local incentives.

Last updated: Reviewed by: Sarah Chen
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$14,500 Avg. System Cost (7 kW)
$10,150 Net Cost After Incentives
12 yrs Break-Even Timeline
$7,735 20-Year Savings
3.5 hrs Peak Sun Hours/Day
$0.1/kWh Avg. Electricity Rate

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Solar Incentives Available in Washington

Here is a breakdown of every solar incentive available to Washington homeowners, from federal tax credits to state-specific programs.

IncentiveValueDetails
Federal ITC (30%)$4,350Tax credit on federal return
Sales Tax ExemptionYesNo sales tax on solar equipment
Net MeteringfullCredit for excess solar energy exported
Additional Programs: Washington State Renewable Energy System Incentive. Net metering available statewide. Sales tax exemption for solar equipment.

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$0 down options available. Own your system and claim the 30% federal tax credit. Save up to $894/year.

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ROI Analysis: Solar Investment in Washington

Based on a 7 kW system at $14,500 with 3.5 peak sun hours per day and electricity at $0.1/kWh.

System Cost 14500
Federal ITC Savings 4350
State Incentives 0
Year 1 Electric Savings 894
20-Year Net Savings 7735

Annual Energy Production: 8,943 kWh

Annual Electric Bill Savings: $894

Total Incentive Savings: $4,350

Net System Cost: $10,150

Break-Even: ~12 years

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⚠ The 30% federal solar tax credit is available through 2032. It drops to 26% in 2033. Lock in maximum savings in Washington now.

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Utility Companies in Washington

Review net metering policies, export compensation rates, and solar programs for each utility serving Washington.

Avista WANet metering: retailPuget Sound EnergyNet metering: retailSeattle City LightNet metering: retailTacoma Public UtilitiesNet metering: retailClark Public UtilitiesNet metering: retailSnohomish County PUDNet metering: retailChelan County PUDNet metering: retailTacoma PowerNet metering: retailGrays Harbor PUDNet metering: retail

City Solar Reports in Washington

Get city-specific solar ROI projections, local incentives, and break-even analysis.

Seattle3.5 sun hrs · $0.1/kWhSpokane3.8 sun hrs · $0.09/kWhTacoma3.5 sun hrs · $0.1/kWhVancouver WA3.6 sun hrs · $0.09/kWhBellevue WA3.5 sun hrs · $0.1/kWhKent3.5 sun hrs · $0.1/kWhEverett3.4 sun hrs · $0.1/kWhRenton3.5 sun hrs · $0.1/kWhBellingham3.3 sun hrs · $0.09/kWhOlympia3.4 sun hrs · $0.1/kWh

Best Solar Options in Washington

ProviderTypeHighlightRatingAction
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SunrunInstaller$0 down solar in Washington4.5/5View Plans
SunPowerPremiumTop efficiency panels4.6/5Get Quote

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Frequently Asked Questions

Homeowners in Washington can claim the 30% federal ITC. Net metering status: full.
The average solar installation in Washington costs approximately $14,500 for a 7 kW system before incentives. After the federal tax credit and state incentives, the net cost is approximately $10,150.
Based on average electricity rates of $0.1/kWh and 3.5 peak sun hours per day, a solar system in Washington typically pays for itself in approximately 12 years.
Net metering in Washington is currently classified as "full". This affects how much credit you receive for excess solar energy exported to the grid. Check with your specific utility for current rates.
Based on our calculations, a typical 7 kW solar system in Washington can save approximately $7,735 over 20 years, factoring in all available incentives.

SolarSavingsAI Research Team

Solar Energy Analysts

Our team analyzes solar incentive data from federal (DOE, IRS), state (DSIRE), and utility sources to provide accurate savings estimates. Data is reviewed quarterly and cross-referenced with NREL benchmarks.

Sources: DOE, IRS, DSIRE, NREL, EIA Updated: 2026 Full Methodology Editorial Standards

Explore Nearby States

Alaska Solar Rebates 3 sun hrs · $0.22/kWh California Solar Rebates 5.5 sun hrs · $0.23/kWh Hawaii Solar Rebates 5.5 sun hrs · $0.35/kWh Oregon Solar Rebates 3.8 sun hrs · $0.11/kWh

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