Solar installations in Arlington County, VA
368 recorded installations in Arlington County, Virginia — capacity, prices and the installers doing the work.
At a glance
Arlington County, Virginia has 368 recorded solar installations totalling 3.4 MW of capacity — the 8th-highest count among the 108 Virginia counties with records, and 2% of the state total. That is about 0.30% of the county's 120,746 housing units, against 0.51% statewide.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Search every recorded installation in Arlington County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 543 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 68% of that. A yardstick, not dated records.
Most active
Top installers in Arlington County
No resolved installers recorded in this county.
Growth
Installations by year
How does Arlington County compare with the rest of Virginia?
The median recorded system in Arlington County is 6.91 kW, roughly in line with the state median of 7.49 kW. By share of housing units with a recorded system, Arlington County ranks 48th 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 Arlington County?
The earliest recorded installation in Arlington County dates to 2002. The busiest year on record is 2019, with 80 installations. The county's cumulative total rose from 76 at the end of 2014 to 368 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 Arlington County?
PanelCensus records 368 solar installations in Arlington County, Virginia (3.4 MW of capacity) — about 0.30% of the county's 120,746 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 Arlington County?
The median recorded system in Arlington County is 6.9 kW, against 7.5 kW for Virginia as a whole.
More solar data near Arlington County
- Solar in Virginia· 18,447 installations
- Solar installers in Virginia
- Solar in Loudoun County· 490 installations
- Solar in Augusta County· 478 installations
- Solar in Henrico County· 414 installations
- Solar in Chesterfield County· 340 installations
- Solar in Prince William County· 325 installations
- Solar in Rockingham County· 291 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 Arlington County, Virginia”, https://panelcensus.com/solar/virginia/arlington-county (data as of October 10, 2026).