Solar installations in Philadelphia County, PA
7,844 recorded installations in Philadelphia County, Pennsylvania — 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 1.2 hail and 2.5 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Philadelphia County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 4,374 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 179% of that. A yardstick, not dated records.
Most active
Top installers in Philadelphia County
| # | Installer | Installs here |
|---|---|---|
| 1 | PosiGen Provider LLC | 2,968 |
| 2 | Solar States | 824 |
| 3 | Vivint Solar | 324 |
| 4 | Velocity Energy and Home Solutions | 259 |
| 5 | Sunnymac | 242 |
| 6 | Orbit Energy & Power LLC | 152 |
| 7 | VLADISLAVS RINGE DBA: FLOWERMARK LLC | 150 |
| 8 | Freedom Forever Pennsylvania, LLC | 138 |
| 9 | TEROX ELECTRIC & CONST. CORP | 120 |
| 10 | Vision Solar | 119 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Philadelphia County?
PanelCensus records 7,844 solar installations in Philadelphia County, Pennsylvania (93.4 MW of capacity) — about 1.1% of the county's 739,725 housing units (U.S. Census ACS). Dataset coverage depends on Pennsylvania's reporting programs, so the true total is higher.
How much does solar cost in Philadelphia County?
The median installed price for recorded systems in Philadelphia County is $6.48/W pre-incentive; the median system runs 5.7 kW.
Who installs solar in Philadelphia County?
The most active recorded installers in Philadelphia County are PosiGen Provider LLC, Solar States, Vivint 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.