Solar installations in King William County, VA
26 recorded installations in King William County, Virginia — capacity, prices and the installers doing the work.
At a glance
King William County, Virginia has 26 recorded solar installations totalling 39.6 MW of capacity — the 70th-highest count among the 108 Virginia counties with records, and under 1% of the state total. That is about 0.34% of the county's 7,605 housing units, against 0.51% statewide.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Severe-weather exposure: solar sites here have been matched to an average of 1.3 hail and 1.2 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in King William County by installer, size, date and equipment.
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Top installers in King William County
No resolved installers recorded in this county.
Growth
Installations by year
How does King William County compare with the rest of Virginia?
The median recorded system in King William County is 5.85 kW, about 22% below the state median of 7.49 kW. By share of housing units with a recorded system, King William County ranks 36th of 93 Virginia counties with at least 10 installations. Fewer than 30 systems here report an installed price, so no county price median is published.
How has solar adoption changed in King William County?
The earliest recorded installation in King William County dates to 2008. The busiest year on record is 2018, with 9 installations. 2021 has 1 recorded installation so far. The county's cumulative total rose from 6 at the end of 2016 to 26 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Frequently asked questions
How many homes have solar in King William County?
PanelCensus records 26 solar installations in King William County, Virginia (39.6 MW of capacity) — about 0.34% of the county's 7,605 housing units (U.S. Census ACS). Coverage depends on Virginia's public reporting, so the true total is likely higher.
How big is a typical solar system in King William County?
The median recorded system in King William County is 5.9 kW, against 7.5 kW for Virginia as a whole.
More solar data near King William County
- Solar in Virginia· 18,447 installations
- Solar installers in Virginia
- Solar in Winchester city· 29 installations
- Solar in Mecklenburg County· 28 installations
- Solar in Pittsylvania County· 27 installations
- Solar in Henry County· 25 installations
- Solar in Halifax County· 24 installations
- Solar in Lynchburg city· 24 installations
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.
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published October 10, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Solar installations in King William County, Virginia”, https://panelcensus.com/solar/virginia/king-william-county (data as of October 10, 2026).