Solar Installers in Washington
Compare top-rated solar companies in Washington. Average cost: $2.73/W · 3.7 peak sun hours · 13.11¢/kWh electricity rate.
Get Free Washington Solar Quote →Solar Energy in Washington: Complete Guide
Washington is a viable state for residential solar energy. With an average electricity rate of 13.11 cents per kilowatt-hour and 3.7 peak sun hours per day, homeowners across Washington can generate significant energy savings by going solar. The average 8kW solar system in Washington costs $21,840 before incentives and $15,288 after the 30% federal tax credit.
An 8kW system in Washington produces approximately 10,804 kWh per year — enough to offset most or all of a typical household's electricity consumption. At current electricity rates, that translates to annual savings of approximately $1,416, with a payback period of around 12 years.
Washington's net metering policy is classified as full retail rate, which means homeowners receive full retail rate credit for excess energy sent to the grid — maximizing the financial return on solar investment. The state has a Renewable Portfolio Standard requiring 15% renewable energy, which supports continued solar growth.
Washington Solar Cost Breakdown
| System Size | Before Incentives | After 30% ITC |
|---|---|---|
| 5 kW | $13,650 | $9,555 |
| 8 kW | $21,840 | $15,288 |
| 12 kW | $32,760 | $22,932 |
Solar equipment purchases in Washington are exempt from state sales tax, providing additional upfront savings. Over a 25-year period, the typical Washington homeowner saves $20,122 with solar — making it one of the best long-term investments available for your home.
Utilities in Washington
Solar by County in Washington
Top Cities for Solar in Washington
Top Solar Installers in Washington
Washington Solar FAQ
How much do solar panels cost in Washington?▼
The average cost of solar panels in Washington is $2.73 per watt before incentives. For a typical 8kW system, that's $21,840 before the 30% federal tax credit, or $15,288 after. Actual costs vary based on your roof, equipment choice, and installer.
How much can I save with solar in Washington?▼
Washington homeowners with an 8kW solar system can save an estimated $20,122 over 25 years. With an average electricity rate of 13.11¢/kWh and 3.7 peak sun hours per day, solar is a strong investment in Washington. The average payback period is 12 years.
Does Washington have net metering?▼
Washington offers full retail rate net metering. This means you receive full retail rate credit for excess solar energy sent back to the grid, maximizing your savings.
What solar incentives are available in Washington?▼
Washington homeowners can take advantage of the 30% federal solar Investment Tax Credit (ITC) through 2032. Solar equipment purchases are exempt from sales tax.
How many peak sun hours does Washington get?▼
Washington averages 3.7 peak sun hours per day annually. This means an 8kW solar system in Washington would produce approximately 10,804 kWh per year. Peak sun hours vary by season and specific location within the state.
Is solar worth it in Washington?▼
Yes, solar is worth it for most homeowners in Washington. With a 12-year average payback period and 25+ year panel lifespan, you'll enjoy 13+ years of essentially free electricity after your system pays for itself. The combination of 13.11¢/kWh electricity rates, 3.7 peak sun hours, and available incentives makes Washington a viable state for solar.
Get Free Solar Quotes in Washington
Compare quotes from top-rated installers. No obligation.
Quick Washington Solar Facts
- ☀️ Peak Sun Hours: 3.7h/day
- 💡 Electricity Rate: 13.11¢/kWh
- 💰 Cost per Watt: $2.73
- 📊 Net Metering: Full Retail Rate
- 🔋 Payback Period: 12 years
- 🌱 RPS Goal: 15%
- 🛒 Sales Tax: Exempt