Solar installations in Jefferson County, WA
103 recorded installations in Jefferson 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.
Search every recorded installation in Jefferson County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 384 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 27% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Jefferson County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in Jefferson County?
PanelCensus records 103 solar installations in Jefferson County, Washington (1.2 MW of capacity) — about 0.53% of the county's 19,359 housing units (U.S. Census ACS). Dataset coverage depends on Washington's reporting programs, so the true total is higher.
How much does solar cost in Jefferson County?
The median installed price for recorded systems in Jefferson County is $3.96/W pre-incentive; the median system runs 8.1 kW.
Who installs solar in Jefferson County?
No resolved installers recorded in this county.
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. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.