Greenfield Datacenter Sites in Illinois
Illinois has 1,365 greenfield datacenter candidate sites. Undeveloped land with no prior industrial use. Greenfield parcels offer maximum design flexibility and large contiguous footprints, but typically require full utility build-out — the speed-to-power story hinges on proximity to existing transmission.
1,365
Greenfield sites
68.9/100
Avg score (top 25)
Illinois
State
Greenfield
Type
Top greenfield sites in Illinois
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| Greenfield (LOUISA - OAK GROVE) | Greenfield | Rock Island County | 345 kV | 600 MW | 1.4 yrs | 70.7 |
| Greenfield (COLLINS - PLANO (765 KV)) | Greenfield | Kendall County | 765 kV | 1,000 MW | 4.6 yrs | 70.5 |
| Greenfield (FARGO 345 KV - SANDBURG) | Greenfield | Peoria County | 345 kV | 600 MW | 1.4 yrs | 70.0 |
| Greenfield (WAYNE - TAP138234) | Greenfield | DuPage County | 345 kV | 600 MW | 2.2 yrs | 69.9 |
| Greenfield (COLLINS - PLANO (765 KV)) | Greenfield | Kendall County | 765 kV | 1,000 MW | 4.6 yrs | 69.7 |
| Greenfield (OAK GROVE - SANDBURG) | Greenfield | Rock Island County | 345 kV | 600 MW | 1.4 yrs | 69.6 |
| Greenfield (SUB 39 - OAK GROVE) | Greenfield | Rock Island County | 345 kV | 600 MW | 1.4 yrs | 69.5 |
| Greenfield (ROXFORD - STALLINGS) | Greenfield | Madison County | 345 kV | 600 MW | 4.6 yrs | 69.1 |
| Greenfield (SHAWNEE - WEST FRANKFORT EAST) | Greenfield | Massac County | 345 kV | 600 MW | 4.6 yrs | 69.1 |
| Greenfield (NELSON - ELECTRIC LIGHT 345 KV) | Greenfield | DeKalb County | 345 kV | 600 MW | 2.2 yrs | 69.1 |
| Greenfield (SHAWNEE - WEST FRANKFORT EAST) | Greenfield | Massac County | 345 kV | 600 MW | 4.6 yrs | 69.0 |
| Greenfield (COLLINS - PLANO (765 KV)) | Greenfield | Kendall County | 765 kV | 1,000 MW | 4.6 yrs | 68.9 |
| Greenfield (COLLINS - PLANO (765 KV)) | Greenfield | Kendall County | 765 kV | 1,000 MW | 4.6 yrs | 68.8 |
| Greenfield (WILTON - DUMONT) | Greenfield | Kankakee County | 765 kV | 1,000 MW | 4.6 yrs | 68.6 |
| Greenfield (LOUISA - OAK GROVE) | Greenfield | Rock Island County | 345 kV | 600 MW | 1.4 yrs | 68.5 |
| Greenfield (NELSON - ELECTRIC LIGHT 345 KV) | Greenfield | DeKalb County | 345 kV | 600 MW | 2.2 yrs | 68.5 |
| Greenfield (ELECTRIC LIGHT 345 KV - PLANO ) | Greenfield | Kendall County | 345 kV | 600 MW | 2.2 yrs | 68.5 |
| Greenfield (GOODINGS GROVE - TAP138147) | Greenfield | DuPage County | 345 kV | 600 MW | 2.2 yrs | 68.5 |
| Greenfield (TAZEWELL - TAP138229) | Greenfield | Tazewell County | 345 kV | 600 MW | 4.6 yrs | 68.5 |
| Greenfield (SUB 39 - OAK GROVE) | Greenfield | Rock Island County | 345 kV | 600 MW | 1.4 yrs | 68.3 |
| Greenfield (NELSON - ELECTRIC LIGHT 345 KV) | Greenfield | DeKalb County | 345 kV | 600 MW | 2.2 yrs | 68.2 |
| Greenfield (FARGO 345 KV - MAPLE RIDGE) | Greenfield | Peoria County | 345 kV | 600 MW | 4.6 yrs | 68.1 |
| Greenfield (ELECTRIC LIGHT 345 KV - PLANO ) | Greenfield | Kane County | 345 kV | 600 MW | 2.2 yrs | 67.9 |
| Greenfield (GOODINGS GROVE - POWERTON STAT) | Greenfield | Tazewell County | 345 kV | 600 MW | 4.6 yrs | 67.9 |
| Greenfield (UNKNOWN122000 - UNKNOWN131382) | Greenfield | Rock Island County | 161 kV | 100 MW | 1.4 yrs | 67.8 |
- How many greenfield datacenter sites are in Illinois?
- GridCensus catalogs 1,365 greenfield datacenter candidate sites in Illinois.
- What is a greenfield datacenter site?
- Undeveloped land with no prior industrial use. Greenfield parcels offer maximum design flexibility and large contiguous footprints, but typically require full utility build-out — the speed-to-power story hinges on proximity to existing transmission.
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 Greenfield 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.