Solar installations in Dauphin County, PA
353 recorded installations in Dauphin 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 2.5 hail and 2.7 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Dauphin County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 1,871 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 19% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Dauphin County
| # | Installer | Installs here |
|---|---|---|
| 1 | Astrum Solar | 27 |
| 2 | Sunlion Energy Systems | 27 |
| 3 | Greenspring Energy | 19 |
| 4 | Absolute Solar And Energy Solutions | 19 |
| 5 | Secco | 19 |
| 6 | I Need Solar Com | 18 |
| 7 | California Green Energy Construction | 17 |
| 8 | Green Energy Construction Consulting | 14 |
| 9 | Advanced Solar | 10 |
| 10 | Jk Mechanical | 8 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Dauphin County?
PanelCensus records 353 solar installations in Dauphin County, Pennsylvania (28.3 MW of capacity) — about 0.28% of the county's 127,259 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 Dauphin County?
The median installed price for recorded systems in Dauphin County is $5.82/W pre-incentive; the median system runs 10.1 kW.
Who installs solar in Dauphin County?
The most active recorded installers in Dauphin County are Astrum Solar, Sunlion Energy Systems, Greenspring Energy.
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.