TrustedPartnersList
Join as a ProGet help
HomeCostsSolar EnergyWashington

How Much Does Solar Energy Cost in Washington?

Washington prices are 18% above the national average

Solar Energy in Washington costs between $18,659 and $49,409 per project in 2026. The national average is $29,373.

Low
$18,659
Washington Avg
$34,660
High
$49,409
per projectNational avg: $29,373
Get Free Solar Energy Quotes in Washington

Solar Energy Costs in Washington — Detailed Breakdown

Service
WA Low
WA High
Natl Avg
Monocrystalline Solar Panel System
$19,724
$31,200
$21,578
Polycrystalline Solar Panel System
$13,258
$29,227
$18,003
Thin-Film Solar Panel System
$9,544
$23,664
$14,071
Solar Panel Mounting and Racking
$2,484
$6,902
$3,977
Solar Panel Wiring and Electrical Setup
$3,367
$8,301
$4,944
Cost Range:
$11,419
$21,772
$14,064
Cost Range:
$17,307
$28,517
$19,417
Cost Range:
$30,285
$46,490
$32,532
Permitting and Inspection
$375
$1,647
$857
Electrical Upgrades
$1,630
$5,790
$3,144
Mounting and Roof Adjustments
$1,387
$6,641
$3,402
Cleaning
$143
$328
$200
Inspection
$143
$304
$190
Repairs and Component Replacement
$273
$1,499
$751
Battery system (per kWh)
$847
$1,640
$1,054

Frequently Asked Questions

How much does solar energy cost?

The average cost of solar energy is $34,660 per project. Prices typically range from $18,659 to $49,409 depending on the scope of work and local market conditions.

What factors affect solar energy prices?

Key factors include: scope of the work, the provider's experience level, your location, urgency, and any specialized requirements. Getting multiple quotes is always recommended to ensure competitive pricing.

How do I find a reliable solar energy professional?

Start by getting 2-3 quotes from qualified professionals. Check their reviews, ask for references, verify their credentials and licensing, and confirm they carry appropriate insurance. Trusted Partners List connects you with pre-vetted pros in your area.

What should I ask before hiring a solar energy professional?

Key questions include: What is included in your price? What is your experience with this type of work? How long will it take? What is your cancellation/refund policy? Do you have insurance and proper licensing? Can you provide references from past clients?

When is the best time to hire a solar energy professional?

The best time varies by service. Generally, booking during off-peak periods can save 10-20% because professionals have more availability. For urgent needs, services are available year-round but may cost more during busy seasons.

Ready to start your solar energy project in Washington?

Get Free Quotes1-833-TRUSTED