QUAD CITIES
Substation-AdjacentClinton County, Illinois · PJM
QUAD CITIES is a substation-adjacent datacenter candidate site in Clinton County, Illinois, interconnecting through PJM. It screens at 67.0/100 DC Readiness with a catalogued 600 MW of candidate capacity and a 3.8 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Risk & environment
Location context
Regulatory climate
New-DC state tax exemptions suspended for 2 years (from Jul 2026).
Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
Site location
Get alerts
Track QUAD CITIES
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
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 Clinton County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN122188 | Substation-Adjacent | 345 kV | 600 MW | 3.8 yrs | 66.9 |
| ROCK CREEK | Substation-Adjacent | 345 kV | 600 MW | 2.8 yrs | 65.3 |
| UNKNOWN131376 | Substation-Adjacent | 161 kV | 100 MW | 2.8 yrs | 61.7 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 61.0 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 60.8 |
| UNKNOWN122187 | Substation-Adjacent | 161 kV | 100 MW | 3.8 yrs | 60.6 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 60.4 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 60.3 |
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.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for QUAD CITIES, Clinton County. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.