Are Solar Panels Worth It in Washington? Data-Backed Analysis
~
Maybe
Solar may be worth it in Washington depending on your situation.
The Numbers
Average System Cost
$52,345
14.5 kW system
Federal Residential Credit (2026)
$0
No new credit after Dec. 31, 2025
Observed Records
6,327
96% residential
Factors in Favor
- ✓Below-average installation cost ($3.61/W vs national $4.18/W)
- ✓96% residential - strong homeowner adoption
Things to Consider
- !Relatively few installations (6,327) - market is still developing
Washington vs National Average
| Metric | Washington | National |
|---|---|---|
| Cost per Watt | $3.61 | $4.18 |
| Total Installations | 6,327 | 3,426,466 |
| Total Capacity | 92 MW | - |
Frequently Asked Questions
The observed average implies a system cost of approximately $52,345 (avg 14.5 kW system at $3.61/W). This is a historical dataset estimate, not a current installer quote.
New residential systems placed in service in 2026 do not qualify for the federal Residential Clean Energy Credit under current IRS guidance. State, local and utility programs may still apply; verify current eligibility with each program administrator.
Washington has 6,327 solar installations. Whether solar is worth it depends on your specific situation, electricity usage, and roof orientation.
Source: LBNL Tracking the Sun, U.S. Department of Energy, EIA. Costs and savings are modeled from historical averages and may vary. New 2026 residential installations receive no federal Residential Clean Energy Credit under current IRS guidance.