Datacenter Sites in St. Clair County, Illinois
St. Clair County has 107 scored datacenter candidate sites averaging 56.8/100 DC Readiness, with a catalogued aggregate of 7,413 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
107
Candidate sites
56.8/100
Avg DC Readiness
7,413 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
Site-selection context for St. Clair County
Yessales_tax_exemption
Datacenter tax incentive
9.18¢/kWh
Commercial electricity
3.59¢/kWh
Industrial electricity
10
Fiber providers
Low
Water stress
$9,310
Land price / acre
1,100
Cooling degree days
5,600
Heating degree days
52°F
Mean annual temp
Incentive detail: Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.
By site type
Top datacenter sites in St. Clair County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| OZ St. Clair | Greenfield | — | — | 4.6 yrs | 65.5 |
| Belleville Landfill Project | Brownfield | 138 kV | 13 MW | 3.8 yrs | 65.4 |
| TURKEY HILL | Substation-Adjacent | 345 kV | 600 MW | 3.8 yrs | 63.0 |
| TAP156135 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.8 |
| UNKNOWN157809 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.7 |
| PORTER RD | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.4 |
| S BELLEVILLE | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.3 |
| E BELLEVILLE | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.2 |
| ACF Site | Industrial | — | — | 3.8 yrs | 56.6 |
| 603 Adams St. | Industrial | — | — | 3.8 yrs | 56.5 |
| Former Broadview Hotel update | Industrial | — | — | 3.8 yrs | 56.5 |
| 127 North Fourth Str. | Industrial | — | — | 3.8 yrs | 56.5 |
| 122 North Fourth Str. | Industrial | — | — | 3.8 yrs | 56.5 |
| 604 Jefferson | Industrial | — | — | 3.8 yrs | 56.5 |
| 200 Madison | Industrial | — | — | 3.8 yrs | 56.5 |
| 411 South Sixth Str. | Industrial | — | — | 3.8 yrs | 56.5 |
| Various Residential Demolition Properties | Industrial | — | — | 3.8 yrs | 56.5 |
| Former Fire/Police Station | Industrial | — | — | 3.8 yrs | 56.5 |
| 511 Madison | Industrial | — | — | 3.8 yrs | 56.5 |
| 415 South Sixth Str. | Industrial | — | — | 3.8 yrs | 56.5 |
| 110 N. Second | Industrial | — | — | 3.8 yrs | 56.5 |
| 506 Jefferson | Industrial | — | — | 3.8 yrs | 56.5 |
| Flowers Site | Industrial | — | — | 3.8 yrs | 56.5 |
| Former Broadview Hotel | Industrial | — | — | 3.8 yrs | 56.5 |
| 488 Washington Str. | Industrial | — | — | 3.8 yrs | 56.5 |
St. Clair County datacenter FAQ
- How many datacenter sites are in St. Clair County?
- 107 scored datacenter candidate sites, averaging 56.8/100 DC Readiness.
- Does St. Clair County offer datacenter tax incentives?
- Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.
- What is the natural-hazard risk in St. Clair County?
- FEMA's National Risk Index rates St. Clair County as "Relatively High" (score 35).
- What are industrial electricity rates in St. Clair County?
- Average industrial electricity is 3.59¢/kWh and commercial is 9.18¢/kWh in St. Clair County.
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 St. Clair County, 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.