Solar installations in Washington County, UT
1,829 recorded installations in Washington County, Utah — capacity, prices and the installers doing the work.
At a glance
Washington County, Utah has 1,829 recorded solar installations totalling 31.2 MW of capacity — the 6th-highest count among the 29 Utah counties with records, and 4% of the state total. That is about 2.3% of the county's 78,993 housing units, against 4.1% statewide. The median installed price is $4.31/W before incentives, roughly in line with the Utah median of $4.10/W.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Search every recorded installation in Washington County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 1,904 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 96% of that. A yardstick, not dated records.
Most active
Top installers in Washington County
No resolved installers recorded in this county.
Growth
Installations by year
How does Washington County compare with the rest of Utah?
The median recorded system in Washington County is 7.12 kW, roughly in line with the state median of 6.57 kW. By share of housing units with a recorded system, Washington County ranks 16th of 28 Utah counties with at least 10 installations.
How has solar adoption changed in Washington County?
The earliest recorded installation in Washington County dates to 2009. The busiest year on record is 2022, with 355 installations. 2025 has 9 recorded installations so far. The county's cumulative total rose from 1,013 at the end of 2020 to 1,829 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 Washington County?
PanelCensus records 1,829 solar installations in Washington County, Utah (31.2 MW of capacity) — about 2.3% of the county's 78,993 housing units (U.S. Census ACS). Coverage depends on Utah's public reporting, so the true total is likely higher.
How much does solar cost in Washington County?
The median installed price for recorded systems in Washington County is $4.31/W before incentives; the median system is 7.1 kW. The Utah median is $4.10/W.
How big is a typical solar system in Washington County?
The median recorded system in Washington County is 7.1 kW, against 6.6 kW for Utah as a whole.
More solar data near Washington County
- Solar in Utah· 48,517 installations
- Solar installers in Utah
- Solar in Davis County· 6,736 installations
- Solar in Weber County· 5,237 installations
- Solar in Cache County· 1,853 installations
- Solar in Tooele County· 1,602 installations
- Solar in Box Elder County· 982 installations
- Solar in Summit County· 947 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 Washington County, Utah”, https://panelcensus.com/solar/utah/washington-county (data as of October 10, 2026).