Solar Panel Cost in Bellevue, WA (2026)
Solar panel costs in Bellevue, WA typically run above the Washington state average. A 6 kW system in Bellevue costs about $21,450 before the 30% federal ITC, with payback around 15.8 years at local utility rates.
Quick answer
In Bellevue, a 6 kW solar panel system costs about $21,450 installed (15.8-year payback). After the 30% federal tax credit, net cost is roughly $15,000. Annual savings: ~$820/year at 11¢/kWh.
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Estimate for Washington
$8,600net after 30% ITC
~4 kW · 10 panels · $12,300 before credits · 11¢/kWh
Annual savings
$546
Payback
15.8 yrs
25-year savings
$14,340
25-year savings timeline
Includes ~3% utility rate growth & 0.5%/yr panel degradation
Bellevue vs US Average
| Metric | WA | US avg |
|---|---|---|
| 6 kW system (before credit) | $21,450 | $16,271 |
| Net cost after 30% ITC | $15,000 | $11,390 |
| Cost per watt | $0.00/W | — |
| Annual electricity savings | $820 | $1,335 |
| Payback period (years) | 15.8 yrs | 9 yrs |
| Electricity rate | 11¢/kWh | — |
Updated 2026-07-07. Estimates only.
What affects solar costs in Bellevue?
Bellevue metro solar pricing runs 10–20% above the Washington state average, reflecting local labor, permitting, and installer competition. Solar installation costs in Washington reflect local labor rates, permit fees, and utility interconnection rules. A typical 6 kW system runs $14,410–$25,410 before the 30% federal tax credit, with net cost around $10,090–$17,790.
Bellevue homeowners should compare at least three local quotes specifying panel brand, inverter type, and production guarantee. Washington averages 11.0¢/kWh and 4.0 peak sun hours per day — moderate solar production potential for rooftop systems.
Utility rules in Washington affect how solar credits apply to your bill — verify net metering or buyback terms for your specific provider serving Bellevue.
Bellevue solar ROI depends on Washington electricity rates, local install competition, and roof suitability. Washington install costs average $3.08/W with estimated 15.8-year payback on a 6 kW system — above US national averages.
Bellevue solar snapshot
- 6 kW system: $16,700 – $29,500
- After 30% ITC: $15,000
- Electric rate: 11¢/kWh · Peak sun: 4 hrs/day
- Payback: ~15.8 years · Annual savings: ~$820
How to maximize solar ROI in Bellevue
- Compare Bellevue installer quotes on cost per watt ($/W)
- Check Washington incentives — state guide
- Review how to choose installers in Washington
- Compare at least three installer quotes in Washington
- Model payback using your actual utility rate and usage
Frequently Asked Questions
How much do solar panels cost in Bellevue?
A 6 kW solar system in Bellevue, WA typically costs $16,700–$29,500 before incentives, or $15,000 after the 30% federal tax credit.
Is solar worth it in Bellevue?
With 11¢/kWh electricity rates and 4 peak sun hours, Bellevue homeowners often see 15.8-year payback. Use our calculator for your roof and usage.
How does Bellevue compare to Washington?
Bellevue install pricing is among the higher-cost metros in Washington.
Related pages
How We Calculate Solar Costs
MySunROI estimates combine NREL residential PV installed-price benchmarks, EIA state electricity rates, and regional labor modifiers — updated 2026-07-07.
Estimates only. Last updated 2026-07-07. Estimates based on NREL PV cost benchmarks, EIA electricity rates, and 2026 installer pricing surveys.