Solar installations in Suffolk County, MA
10,812 recorded installations in Suffolk County, Massachusetts — capacity, prices and the installers doing the work.
At a glance
Suffolk County, Massachusetts has 10,812 recorded solar installations totalling 218.3 MW of capacity — the highest count among the 14 Massachusetts counties with records, and 7% of the state total. That is about 3.1% of the county's 353,930 housing units, against 5.3% statewide. The median installed price is $3.01/W before incentives, about 28% 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 0.5 hail (0.5 severe) and 3.9 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Suffolk County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 6,274 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 172% of that. A yardstick, not dated records.
Most active
Top installers in Suffolk County
| # | Installer | Installs here |
|---|---|---|
| 1 | SolarCity (Tesla) | 762 |
| 2 | Sunrun | 462 |
| 3 | Kyle Greene | 405 |
| 4 | Stephen Kelly | 381 |
| 5 | NATHAN ASHE | 218 |
| 6 | Philip Kapitan | 188 |
| 7 | Stephen A Kelly | 163 |
| 8 | Tesla Energy | 154 |
| 9 | Matthew Markham | 144 |
| 10 | Romain Strecker | 138 |
Growth
Installations by year
How does Suffolk County compare with the rest of Massachusetts?
The median recorded system in Suffolk County is 6.97 kW, roughly in line with the state median of 7.48 kW. under 1% of installations here are third-party owned (lease or power-purchase agreement), compared with 47% across Massachusetts. 1,223 systems (11%) of the county's records include battery storage, against 4% statewide. By share of housing units with a recorded system, Suffolk County ranks 1st of 13 Massachusetts counties with at least 10 installations.
How has solar adoption changed in Suffolk County?
The earliest recorded installation in Suffolk County dates to 2008. The busiest year on record is 2025, with 1,147 installations. The county's cumulative total rose from 3,149 at the end of 2020 to 10,812 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Who installs solar in Suffolk County?
SolarCity (Tesla) has the most recorded installations in Suffolk County (762, 7% of the county's records). Other active installers here include Sunrun, Kyle Greene and Stephen Kelly. Installers based anywhere in Massachusetts are listed in the state installer directory.
Frequently asked questions
How many homes have solar in Suffolk County?
PanelCensus records 10,812 solar installations in Suffolk County, Massachusetts (218.3 MW of capacity) — about 3.1% of the county's 353,930 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 Suffolk County?
The median installed price for recorded systems in Suffolk County is $3.01/W before incentives; the median system is 7 kW. The Massachusetts median is $4.17/W.
Who installs solar in Suffolk County?
The most active recorded installers in Suffolk County are SolarCity (Tesla) (762), Sunrun (462) and Kyle Greene (405).
How much of the solar in Suffolk County is leased?
12 recorded installations (under 1%) in Suffolk County are third-party owned — a lease or power-purchase agreement, compared with 47% across Massachusetts.
How big is a typical solar system in Suffolk County?
The median recorded system in Suffolk County is 7 kW, against 7.5 kW for Massachusetts as a whole.
More solar data near Suffolk County
- Solar in Massachusetts· 159,700 installations
- Solar installers in Massachusetts
- Solar in Middlesex County· 5,164 installations
- Solar in Worcester County· 552 installations
- Solar in Plymouth County· 244 installations
- Solar in Bristol County· 195 installations
- Solar in Essex County· 167 installations
- Solar in Hampden County· 147 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 10, 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 Suffolk County, Massachusetts”, https://panelcensus.com/solar/massachusetts/suffolk-county (data as of October 10, 2026).