Solar installations in Hancock County, ME
7 recorded installations in Hancock County, Maine — capacity, prices and the installers doing the work.
At a glance
Hancock County, Maine has 7 recorded solar installations totalling 18.9 MW of capacity — the 14th-highest count among the 16 Maine counties with records, and under 1% of the state total. That is about 0.02% of the county's 40,514 housing units, against 3.0% 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 1 hail and 0 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Hancock County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 152 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 5% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Hancock County
No resolved installers recorded in this county.
Growth
Installations by year
How does Hancock County compare with the rest of Maine?
The median recorded system in Hancock County is 2400 kW, about 286 times the state median of 8.4 kW. Fewer than 30 systems here report an installed price, so no county price median is published.
How has solar adoption changed in Hancock County?
The earliest recorded installation in Hancock County dates to 2004. The busiest year on record is 2023, with 2 installations. 2024 has 1 recorded installation so far. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Frequently asked questions
How many homes have solar in Hancock County?
PanelCensus records 7 solar installations in Hancock County, Maine (18.9 MW of capacity) — about 0.02% of the county's 40,514 housing units (U.S. Census ACS). Coverage depends on Maine's public reporting, so the true total is likely higher.
How big is a typical solar system in Hancock County?
The median recorded system in Hancock County is 2,400 kW, against 8.4 kW for Maine as a whole.
More solar data near Hancock County
- Solar in Maine· 22,412 installations
- Solar installers in Maine
- Solar in Knox County· 36 installations
- Solar in Oxford County· 36 installations
- Solar in Waldo County· 36 installations
- Solar in Penobscot County· 24 installations
- Solar in Franklin County· 23 installations
- Solar in Sagadahoc County· 19 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 Hancock County, Maine”, https://panelcensus.com/solar/maine/hancock-county (data as of October 10, 2026).