ROCKFORD, IL
Federal ExcessWinnebago County, Illinois · PJM
ROCKFORD, IL is a federal excess datacenter candidate site in Winnebago County, Illinois, interconnecting through PJM. It screens at 51.3/100 DC Readiness 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 Winnebago County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TAP137909 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 63.5 |
| UNKNOWN124165 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 63.3 |
| TAP136942 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 63.1 |
| Rockford Community Solar | Brownfield | — | 3 MW | 4.8 yrs | 63.0 |
| WEMPLETOWN | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 62.7 |
| OZ Winnebago | Greenfield | — | — | 4.8 yrs | 60.9 |
| OZ Winnebago | Greenfield | — | — | 4.8 yrs | 60.9 |
| EC Near Sabrooke | Greenfield | — | — | 4.8 yrs | 60.8 |
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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