Solar installations in Plymouth County, MA
237 recorded installations in Plymouth County, Massachusetts — capacity, prices and the installers doing the work.
At a glance
Plymouth County, Massachusetts has 237 recorded solar installations totalling 535.2 MW of capacity — the 4th-highest count among the 14 Massachusetts counties with records, and under 1% of the state total. That is about 0.11% of the county's 216,654 housing units, against 5.3% statewide. The median installed price is $3.08/W before incentives, about 26% below the Massachusetts median of $4.17/W.
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 5.1 hail and 1.4 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Plymouth County by installer, size, date and equipment.
Search sites →Independent check: Stanford's DeepSolar detected about 10,239 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 2% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Plymouth County
| # | Installer | Installs here |
|---|---|---|
| 1 | Vision Solar | 24 |
| 2 | Gehrlicher Solar America | 4 |
| 3 | Sunrun | 4 |
| 4 | Mampw Energy | 4 |
| 5 | Momentum Solar | 4 |
| 6 | Borrego Solar Systems | 3 |
| 7 | Proffetty Electrical | 3 |
| 8 | Agilitas Energy | 3 |
| 9 | Solect Energy Development, LLC | 2 |
| 10 | Nextsun Energy | 2 |
Growth
Installations by year
How does Plymouth County compare with the rest of Massachusetts?
The median recorded system in Plymouth County is 1300 kW, about 174 times the state median of 7.48 kW. 14% of installations here are third-party owned (lease or power-purchase agreement), compared with 47% across Massachusetts. 3 systems (1%) of the county's records include battery storage, against 4% statewide. By share of housing units with a recorded system, Plymouth County ranks 7th of 13 Massachusetts counties with at least 10 installations.
How has solar adoption changed in Plymouth County?
The earliest recorded installation in Plymouth County dates to 2006. The busiest year on record is 2017, with 53 installations. 2025 has 1 recorded installation so far. The county's cumulative total rose from 135 at the end of 2020 to 237 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Who installs solar in Plymouth County?
Vision Solar has the most recorded installations in Plymouth County (24, 10% of the county's records). Other active installers here include Gehrlicher Solar America, Sunrun and Mampw Energy. Installers based anywhere in Massachusetts are listed in the state installer directory.
Frequently asked questions
How many homes have solar in Plymouth County?
PanelCensus records 237 solar installations in Plymouth County, Massachusetts (535.2 MW of capacity) — about 0.11% of the county's 216,654 housing units (U.S. Census ACS). Coverage depends on Massachusetts's public reporting, so the true total is likely higher.
How much does solar cost in Plymouth County?
The median installed price for recorded systems in Plymouth County is $3.08/W before incentives; the median system is 1,300 kW. The Massachusetts median is $4.17/W.
Who installs solar in Plymouth County?
The most active recorded installers in Plymouth County are Vision Solar (24), Gehrlicher Solar America (4) and Sunrun (4).
How much of the solar in Plymouth County is leased?
34 recorded installations (14%) in Plymouth County are third-party owned — a lease or power-purchase agreement, compared with 47% across Massachusetts.
How big is a typical solar system in Plymouth County?
The median recorded system in Plymouth County is 1,300 kW, against 7.5 kW for Massachusetts as a whole.
More solar data near Plymouth County
- Solar in Massachusetts· 159,600 installations
- Solar installers in Massachusetts
- Solar in Suffolk County· 10,774 installations
- Solar in Middlesex County· 5,135 installations
- Solar in Worcester County· 550 installations
- Solar in Bristol County· 189 installations
- Solar in Essex County· 163 installations
- Solar in Hampden County· 145 installations
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.
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published October 19, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Solar installations in Plymouth County, Massachusetts”, https://panelcensus.com/solar/massachusetts/plymouth-county (data as of October 19, 2026).