Solar installations in Mercer County, NJ
9,401 recorded installations in Mercer 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 3.3 hail and 3.3 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Mercer County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 6,535 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 144% of that. A yardstick, not dated records.
Most active
Top installers in Mercer County
| # | Installer | Installs here |
|---|---|---|
| 1 | Sunrun | 1,965 |
| 2 | Trinity Solar | 818 |
| 3 | Momentum Solar | 686 |
| 4 | Sunnymac | 471 |
| 5 | Tesla | 362 |
| 6 | Green Power Energy | 233 |
| 7 | Suntuity | 157 |
| 8 | Emt Renewables | 152 |
| 9 | Exact Electric | 138 |
| 10 | Bright Planet Solar | 137 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Mercer County?
PanelCensus records 9,401 solar installations in Mercer County, New Jersey (351.9 MW of capacity) — about 6.2% of the county's 150,600 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 Mercer County?
The median installed price for recorded systems in Mercer County is $4.34/W pre-incentive; the median system runs 8 kW.
Who installs solar in Mercer County?
The most active recorded installers in Mercer County are Sunrun, Trinity Solar, Momentum 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.