PanelCensus

Solar installations in Will County, IL

8,058 recorded installations in Will 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
3.2%
of 252,684 homes
Installations
8,058
Total capacity
265.6 MW
Median price
—
pre-incentive
Third-party owned
68%
lease / PPA

Severe-weather exposure: solar sites here have been matched to an average of 4.7 hail and 5.2 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).

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

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Independent check:Stanford's DeepSolar detected about 2,194 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 367% of that. A yardstick, not dated records.

Most active

Top installers in Will County

No resolved installers recorded in this county.

Growth

Installations by year

YearNewCumulative% homes
2011
1
10.00%
2015
12
130.01%
2016
20
330.01%
2017
21
540.02%
2018
9
630.03%
2019
189
2520.10%
2020
948
1,2000.47%
2021
1,088
2,2880.91%
2022
852
3,1401.24%
2023
1,839
4,9791.97%
2024
1,617
6,5962.61%
2025
1,417
8,0133.17%
2026
31
8,0443.18%

Frequently asked questions

How many homes have solar in Will County?

PanelCensus records 8,058 solar installations in Will County, Illinois (265.6 MW of capacity) — about 3.2% of the county's 252,684 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 Will County?

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

Who installs solar in Will 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.