Substation-Adjacent Datacenter Sites in Illinois
Illinois has 742 substation-adjacent datacenter candidate sites. Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
742
Substation-Adjacent sites
76.4/100
Avg score (top 25)
Illinois
State
Substation-Adjacent
Type
Top substation-adjacent sites in Illinois
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| SHAWNEE | Substation-Adjacent | Massac County | 500 kV | 1,000 MW | 4.6 yrs | 81.3 |
| PLANO (765 KV) | Substation-Adjacent | Kendall County | 765 kV | 1,000 MW | 4.6 yrs | 78.7 |
| UNKNOWN124436 | Substation-Adjacent | Cook County | 345 kV | 600 MW | 2.2 yrs | 78.0 |
| UNKNOWN122269 | Substation-Adjacent | Cook County | 345 kV | 600 MW | 2.2 yrs | 76.8 |
| TAP160103 | Substation-Adjacent | Cook County | 345 kV | 600 MW | 2.2 yrs | 76.6 |
| SUB 39 | Substation-Adjacent | Rock Island County | 345 kV | 600 MW | 1.4 yrs | 76.5 |
| ITASCA | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 76.4 |
| PLANO (345 KV) | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 76.4 |
| ELECTRIC LIGHT 345 KV | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 76.2 |
| ELMHURST | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 76.2 |
| UNKNOWN122289 | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 76.1 |
| UNKNOWN122246 | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 76.1 |
| TAP137936 | Substation-Adjacent | Kane County | 345 kV | 600 MW | 2.2 yrs | 76.1 |
| FARGO 345 KV | Substation-Adjacent | Peoria County | 345 kV | 600 MW | 1.4 yrs | 76.1 |
| UNKNOWN122244 | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 76.0 |
| TOLLWAY | Substation-Adjacent | Kane County | 345 kV | 600 MW | 2.2 yrs | 76.0 |
| JOLIET 29 | Substation-Adjacent | Will County | 345 kV | 600 MW | 4.6 yrs | 76.0 |
| RISER159738 | Substation-Adjacent | Tazewell County | 345 kV | 600 MW | 4.6 yrs | 75.8 |
| BURNHAM | Substation-Adjacent | Cook County | 345 kV | 600 MW | 2.2 yrs | 75.8 |
| JOPPA 345 | Substation-Adjacent | Massac County | 345 kV | 600 MW | 4.6 yrs | 75.6 |
| LOMBARD | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 75.6 |
| COMMONWEALTH EDISON DES PLAINES (345KV) | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 75.5 |
| LISLE | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 75.4 |
| OAK GROVE | Substation-Adjacent | Rock Island County | 345 kV | 600 MW | 1.4 yrs | 75.3 |
| LOCKPORT | Substation-Adjacent | DuPage County | 345 kV | 600 MW | 2.2 yrs | 75.2 |
- How many substation-adjacent datacenter sites are in Illinois?
- GridCensus catalogs 742 substation-adjacent datacenter candidate sites in Illinois.
- What is a substation-adjacent datacenter site?
- Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Substation-Adjacent sites in Illinois. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.