PanelCensus

Solar installations in Knox County, IL

584 recorded installations in Knox 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
2.5%
of 23,788 homes
Installations
584
Total capacity
72.3 MW
Median price
—
pre-incentive
Third-party owned
34%
lease / PPA

Severe-weather exposure: solar sites here have been matched to an average of 1.7 hail and 2.9 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).

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

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Independent check:Stanford's DeepSolar detected about 140 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 417% of that. A yardstick, not dated records.

Most active

Top installers in Knox County

No resolved installers recorded in this county.

Growth

Installations by year

YearNewCumulative% homes
2016
2
20.01%
2017
2
40.02%
2019
23
270.11%
2020
89
1160.49%
2021
39
1550.65%
2022
22
1770.74%
2023
57
2340.98%
2024
179
4131.74%
2025
156
5692.39%
2026
14
5832.45%

Frequently asked questions

How many homes have solar in Knox County?

PanelCensus records 584 solar installations in Knox County, Illinois (72.3 MW of capacity) — about 2.5% of the county's 23,788 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 Knox County?

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

Who installs solar in Knox 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.