Solar installations in Cook County, IL
25,528 recorded installations in Cook 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.
Most active
Top installers in Cook County
| # | Installer | Installs here |
|---|---|---|
| 1 | HOLMES, WELLS L | 832 |
| 2 | LARSEN, COLEMAN D | 427 |
| 3 | ESKANDANIAN, PAYMON | 386 |
| 4 | WARD, JON P | 376 |
| 5 | AL HARASH, MOHAMED T | 197 |
| 6 | BROWN, JASON R | 139 |
| 7 | ADAMS, JAMES ADRIAN | 132 |
| 8 | HAJIHASHEMI, ALI | 106 |
| 9 | ZOMORODIAN, MEHDI | 77 |
| 10 | BASSAM, ASA | 65 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Cook County?
PanelCensus records 25,528 solar installations in Cook County, Illinois (740.8 MW of capacity). Dataset coverage depends on Illinois's reporting programs, so the true total is higher.
How much does solar cost in Cook County?
The median installed price for recorded systems in Cook County is $2.10/W pre-incentive; the median system runs 7.2 kW.
Who installs solar in Cook County?
The most active recorded installers in Cook County are HOLMES, WELLS L, LARSEN, COLEMAN D, ESKANDANIAN, PAYMON.
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. See methodology.