Solar installations in King County, WA
1,661 recorded installations in King County, Washington — capacity, prices and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Most active
Top installers in King County
| # | Installer | Installs here |
|---|---|---|
| 1 | Freedom Solar | 1 |
| 2 | Delta Electric | 1 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in King County?
PanelCensus records 1,661 solar installations in King County, Washington (15.6 MW of capacity). Dataset coverage depends on Washington's reporting programs, so the true total is higher.
How much does solar cost in King County?
The median installed price for recorded systems in King County is $3.42/W pre-incentive; the median system runs 8.4 kW.
Who installs solar in King County?
The most active recorded installers in King County are Freedom Solar, Delta Electric.
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. See methodology.