PanelCensus

Solar installations in Marion County, IL

267 recorded installations in Marion County, Illinois — capacity, prices and the installers doing the work.

Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.

Homes with solar
1.5%
of 17,379 homes
Installations
267
Total capacity
29.2 MW
Median price
—
pre-incentive
Third-party owned
15%
lease / PPA

Severe-weather exposure: solar sites here have been matched to an average of 3.2 hail and 3.8 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).

Search every recorded installation in Marion County by installer, size, date and equipment.

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Most active

Top installers in Marion County

No resolved installers recorded in this county.

Growth

Installations by year

YearNewCumulative% homes
2016
1
10.01%
2018
1
20.01%
2019
6
80.05%
2020
39
470.27%
2021
29
760.44%
2022
17
930.54%
2023
26
1190.69%
2024
52
1710.98%
2025
77
2481.43%
2026
17
2651.52%

Frequently asked questions

How many homes have solar in Marion County?

PanelCensus records 267 solar installations in Marion County, Illinois (29.2 MW of capacity) — about 1.5% of the county's 17,379 housing units (U.S. Census ACS). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.

How much does solar cost in Marion County?

Not enough priced records in this county to compute a reliable median.

Who installs solar in Marion County?

No resolved installers recorded in this county.

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.