Solar installations in Massac County, IL
20 recorded installations in Massac County, Illinois — capacity, prices and the installers doing the work.
At a glance
Massac County, Illinois has 20 recorded solar installations totalling 235 kW of capacity — the 99th-highest count among the 102 Illinois counties with records, and under 1% of the state total. That is about 0.29% of the county's 6,824 housing units, against 2.1% statewide.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Search every recorded installation in Massac County by installer, size, date and equipment.
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Top installers in Massac County
No resolved installers recorded in this county.
Growth
Installations by year
How does Massac County compare with the rest of Illinois?
The median recorded system in Massac County is 9.91 kW, about 10% above the state median of 8.97 kW. 5% of installations here are third-party owned (lease or power-purchase agreement), compared with 43% across Illinois. 1 system (5%) of the county's records include battery storage, against 4% statewide. By share of housing units with a recorded system, Massac County ranks 102nd of 102 Illinois 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 Massac County?
The earliest recorded installation in Massac County dates to 2018. The busiest year on record is 2025, with 6 installations. The county's cumulative total rose from 5 at the end of 2020 to 20 today. 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 Massac County?
PanelCensus records 20 solar installations in Massac County, Illinois (235 kW of capacity) — about 0.29% of the county's 6,824 housing units (U.S. Census ACS). Coverage depends on Illinois's public reporting, so the true total is likely higher.
How much of the solar in Massac County is leased?
1 recorded installation (5%) in Massac County is third-party owned — a lease or power-purchase agreement, compared with 43% across Illinois.
How big is a typical solar system in Massac County?
The median recorded system in Massac County is 9.9 kW, against 9 kW for Illinois as a whole.
More solar data near Massac County
- Solar in Illinois· 115,105 installations
- Solar installers in Illinois
- Solar in Wayne County· 32 installations
- Solar in Edwards County· 23 installations
- Solar in Calhoun County· 21 installations
- Solar in Alexander County· 17 installations
- Solar in Hardin County· 17 installations
- Solar in Pulaski County· 13 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 Massac County, Illinois”, https://panelcensus.com/solar/illinois/massac-county (data as of October 10, 2026).