Solar installations in Union County, NJ
11,843 recorded installations in Union County, New Jersey — capacity, prices and the installers doing the work.
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 0.8 hail and 5.2 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Union County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 7,697 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 154% of that. A yardstick, not dated records.
Most active
Top installers in Union County
| # | Installer | Installs here |
|---|---|---|
| 1 | Sunrun | 2,833 |
| 2 | Momentum Solar | 1,515 |
| 3 | Trinity Solar | 1,185 |
| 4 | Tesla | 792 |
| 5 | Suntuity | 303 |
| 6 | Freedom Forever | 234 |
| 7 | Emt Renewables | 204 |
| 8 | Bright Planet Solar | 199 |
| 9 | Sunnymac | 194 |
| 10 | Vision Solar | 173 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Union County?
PanelCensus records 11,843 solar installations in Union County, New Jersey (293.6 MW of capacity) — about 5.6% of the county's 211,269 housing units (U.S. Census ACS). Dataset coverage depends on New Jersey's reporting programs, so the true total is higher.
How much does solar cost in Union County?
The median installed price for recorded systems in Union County is $4.87/W pre-incentive; the median system runs 6.6 kW.
Who installs solar in Union County?
The most active recorded installers in Union County are Sunrun, Momentum Solar, Trinity Solar.
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.