Solar installations in Walla Walla County, WA
120 recorded installations in Walla Walla 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 Walla Walla County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 325 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 37% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Walla Walla County
No resolved installers recorded in this county.
Growth
Installations by year
Frequently asked questions
How many homes have solar in Walla Walla County?
PanelCensus records 120 solar installations in Walla Walla County, Washington (1.2 MW of capacity) — about 0.48% of the county's 25,219 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 Walla Walla County?
The median installed price for recorded systems in Walla Walla County is $3.92/W pre-incentive; the median system runs 9.6 kW.
Who installs solar in Walla Walla 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.