Solar installations in Hampden County, MA
147 recorded installations in Hampden County, Massachusetts — capacity, prices and the installers doing the work.
At a glance
Hampden County, Massachusetts has 147 recorded solar installations totalling 406.5 MW of capacity — the 7th-highest count among the 14 Massachusetts counties with records, and under 1% of the state total. That is about 0.07% of the county's 197,210 housing units, against 5.3% statewide.
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 hail (1.7 severe) and 2.5 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Hampden County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 6,794 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 Hampden County
| # | Installer | Installs here |
|---|---|---|
| 1 | Vision Solar | 15 |
| 2 | Borrego Solar | 3 |
| 3 | Sunrun | 2 |
| 4 | American Renewables Construction | 2 |
| 5 | Cve North America | 2 |
| 6 | Elm Electrical | 2 |
| 7 | Park Avenue Solar Solutions | 2 |
| 8 | Fischbach Amp Moore | 2 |
| 9 | Pro Energy Solutions | 2 |
| 10 | Grid Builders | 1 |
Growth
Installations by year
How does Hampden County compare with the rest of Massachusetts?
The median recorded system in Hampden County is 2482.5 kW, about 332 times the state median of 7.48 kW. 13% of installations here are third-party owned (lease or power-purchase agreement), compared with 47% across Massachusetts. 2 systems (1%) of the county's records include battery storage, against 4% statewide. By share of housing units with a recorded system, Hampden County ranks 10th of 13 Massachusetts counties with at least 10 installations. Fewer than 30 systems here report an installed price, so no county price median is published.
How has solar adoption changed in Hampden County?
The earliest recorded installation in Hampden County dates to 2011. The busiest year on record is 2017, with 28 installations. 2024 has 2 recorded installations so far. The county's cumulative total rose from 87 at the end of 2019 to 147 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Who installs solar in Hampden County?
Vision Solar has the most recorded installations in Hampden County (15, 10% of the county's records). Other active installers here include Borrego Solar, Sunrun and American Renewables Construction. Installers based anywhere in Massachusetts are listed in the state installer directory.
Frequently asked questions
How many homes have solar in Hampden County?
PanelCensus records 147 solar installations in Hampden County, Massachusetts (406.5 MW of capacity) — about 0.07% of the county's 197,210 housing units (U.S. Census ACS). Coverage depends on Massachusetts's public reporting, so the true total is likely higher.
Who installs solar in Hampden County?
The most active recorded installers in Hampden County are Vision Solar (15), Borrego Solar (3) and Sunrun (2).
How much of the solar in Hampden County is leased?
19 recorded installations (13%) in Hampden County are third-party owned — a lease or power-purchase agreement, compared with 47% across Massachusetts.
How big is a typical solar system in Hampden County?
The median recorded system in Hampden County is 2,482.5 kW, against 7.5 kW for Massachusetts as a whole.
More solar data near Hampden County
- Solar in Massachusetts· 159,700 installations
- Solar installers in Massachusetts
- Solar in Plymouth County· 244 installations
- Solar in Bristol County· 195 installations
- Solar in Essex County· 167 installations
- Solar in Norfolk County· 139 installations
- Solar in Berkshire County· 104 installations
- Solar in Hampshire County· 82 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 Hampden County, Massachusetts”, https://panelcensus.com/solar/massachusetts/hampden-county (data as of October 10, 2026).