Solar installations in Montgomery County, PA
946 recorded installations in Montgomery 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 6.3 hail and 4.8 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Montgomery County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 4,533 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 21% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Montgomery County
| # | Installer | Installs here |
|---|---|---|
| 1 | Astrum Solar | 63 |
| 2 | Eos Energy | 59 |
| 3 | Heat Shed | 47 |
| 4 | Sunpower | 46 |
| 5 | Mt Ruhl Electrical Contracting | 45 |
| 6 | Greenspring Energy | 31 |
| 7 | Aztec Solar Power | 25 |
| 8 | Solular | 23 |
| 9 | Sky Solar Solutions | 21 |
| 10 | Solardelphia | 21 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Montgomery County?
PanelCensus records 946 solar installations in Montgomery County, Pennsylvania (50.8 MW of capacity) — about 0.27% of the county's 348,696 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 Montgomery County?
The median installed price for recorded systems in Montgomery County is $6.13/W pre-incentive; the median system runs 8.2 kW.
Who installs solar in Montgomery County?
The most active recorded installers in Montgomery County are Astrum Solar, Eos Energy, Heat Shed.
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.