Utility / operator
Commonwealth Edison Co
1,027 recorded solar installations interconnected by Commonwealth Edison Co — mostly in Illinois.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations interconnected
1,027
Total capacity
1.3 GW
DC nameplate
States
1
Median size
480 kW
Median $/W
$3.50/W
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2009
1
2012
2
2017
1
2019
4
2020
111
2021
180
2022
39
2023
92
2024
112
2025
146
2026
339
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Dec 19, 2026 | IL | 4,998 kW | — | UTILITY |
| Dec 18, 2026 | IL | 25 kW | — | COM |
| Dec 18, 2026 | IL | 40 kW | — | COM |
| Dec 18, 2026 | IL | 85 kW | — | COM |
| Dec 18, 2026 | IL | 86 kW | — | COM |
| Dec 18, 2026 | IL | 27 kW | — | COM |
| Dec 18, 2026 | IL | 360 kW | — | COM |
| Dec 5, 2026 | IL | 100 kW | — | COM |
| Dec 5, 2026 | IL | 186 kW | — | COM |
| Dec 5, 2026 | IL | 531 kW | — | COM |
See all 1,027 installations →searchable & filterable; export to CSV with a free account
Service geography
- Illinois
- 1,027
Frequently asked questions
How many solar installations has Commonwealth Edison Co interconnected?
PanelCensus records 1,027 installations interconnected by Commonwealth Edison Co, from Jan 1, 2009 to Dec 19, 2026, totalling 1.3 GW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.
Where does Commonwealth Edison Co operate?
Most recorded activity is in Illinois (1,027).