Datacenter Sites in Winnebago County, Illinois
Winnebago County has 196 scored datacenter candidate sites averaging 46.1/100 DC Readiness, with a catalogued aggregate of 6,468 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
196
Candidate sites
46.1/100
Avg DC Readiness
6,468 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
Site-selection context for Winnebago County
Yessales_tax_exemption
Datacenter tax incentive
9.30¢/kWh
Commercial electricity
6.11¢/kWh
Industrial electricity
15
Fiber providers
Low
Water stress
$8,082
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 Winnebago County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TAP137909 | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 71.9 |
| WEMPLETOWN | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 71.7 |
| TAP136941 | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 71.6 |
| TAP137873 | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 71.6 |
| UNKNOWN124165 | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 71.4 |
| TAP136942 | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 70.0 |
| TAP155879 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 69.0 |
| UNKNOWN121942 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 68.3 |
| WEMPLETOWN | Substation-Adjacent | 345 kV | 600 MW | 1.4 yrs | 68.3 |
| NRG ROCKFORD II ENERGY CENTER | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 67.3 |
| Greenfield (WEMPLETOWN - TAP137909) | Greenfield | 345 kV | 600 MW | 2.2 yrs | 66.7 |
| SABROOKE | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 65.8 |
| TAP137868 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 65.7 |
| TAP137866 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 65.6 |
| TAP155880 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 64.7 |
| UNKNOWN157548 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 64.7 |
| UNKNOWN124270 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 63.0 |
| Rockford Community Solar | Brownfield | — | 3 MW | — | 62.1 |
| EC Near Sabrooke | Greenfield | — | — | 4.6 yrs | 62.0 |
| Orchard Hills Renewable Energy Station | Brownfield | — | 16 MW | 4.6 yrs | 61.7 |
| EC Near Sabrooke | Greenfield | — | — | 4.6 yrs | 61.7 |
| TAP137867 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 61.5 |
| OZ Winnebago | Greenfield | — | — | 4.6 yrs | 61.4 |
| OZ Winnebago | Greenfield | — | — | 4.6 yrs | 61.1 |
| Greenfield (SABROOKE - TAP137868) | Greenfield | 138 kV | 100 MW | 2.2 yrs | 60.8 |
Winnebago County datacenter FAQ
- How many datacenter sites are in Winnebago County?
- 196 scored datacenter candidate sites, averaging 46.1/100 DC Readiness.
- Does Winnebago 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 Winnebago County?
- FEMA's National Risk Index rates Winnebago County as "Relatively High" (score 35).
- What are industrial electricity rates in Winnebago County?
- Average industrial electricity is 6.11¢/kWh and commercial is 9.30¢/kWh in Winnebago County.
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for Winnebago 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.