UNKNOWN122513
Substation-AdjacentMadison County, Illinois · MISO
UNKNOWN122513 is a substation-adjacent datacenter candidate site in Madison County, Illinois, interconnecting through MISO. It screens at 58.7/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 4.8 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
New-DC state tax exemptions suspended for 2 years (from Jul 2026).
Incentive detail: Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.
Site location
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Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Madison County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| STALLINGS | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.5 |
| ROXFORD | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 65.1 |
| UNKNOWN122139 | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 63.3 |
| EC Near Venice | Greenfield | — | — | 4.8 yrs | 62.9 |
| EC Near Venice | Greenfield | — | — | 4.8 yrs | 62.7 |
| EC Near Venice | Greenfield | — | — | 4.8 yrs | 62.6 |
| EC Near Stallings | Greenfield | — | — | 4.8 yrs | 62.6 |
| EC Near Wood River | Greenfield | — | — | 4.8 yrs | 62.2 |
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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