Datacenter Sites in Adams County, Illinois
Adams County has 28 scored datacenter candidate sites averaging 55.7/100 DC Readiness, with a catalogued aggregate of 4,000 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
28
Candidate sites
55.7/100
Avg DC Readiness
4,000 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
Site-selection context for Adams County
Yessales_tax_exemption
Datacenter tax incentive
8.67¢/kWh
Commercial electricity
3.10¢/kWh
Industrial electricity
3
Fiber providers
Low
Water stress
$8,631
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 Adams County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| HERLEMAN | Substation-Adjacent | 345 kV | 600 MW | 4.6 yrs | 69.5 |
| UNKNOWN122774 | Substation-Adjacent | 138 kV | 100 MW | 4.6 yrs | 66.6 |
| UNKNOWN122091 | Substation-Adjacent | 138 kV | 100 MW | 4.6 yrs | 64.5 |
| MARBLEHEAD NORTH | Substation-Adjacent | 161 kV | 100 MW | 4.6 yrs | 64.5 |
| Greenfield (MEREDOSIA - HERLEMAN) | Greenfield | 345 kV | 600 MW | 4.6 yrs | 63.8 |
| Greenfield (MEREDOSIA - HERLEMAN) | Greenfield | 345 kV | 600 MW | 4.6 yrs | 63.3 |
| Greenfield (MEREDOSIA - HERLEMAN) | Greenfield | 345 kV | 600 MW | 4.6 yrs | 62.7 |
| UNKNOWN122777 | Substation-Adjacent | 138 kV | 100 MW | 4.6 yrs | 61.6 |
| OZ Adams | Greenfield | — | — | 4.6 yrs | 60.8 |
| Greenfield (UNKNOWN122593 - HERLEMAN) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 59.9 |
| EAST QUINCY | Substation-Adjacent | 138 kV | 100 MW | 4.6 yrs | 59.8 |
| EC Coal Adams County | Greenfield | — | — | 4.6 yrs | 59.7 |
| Greenfield (MEREDOSIA - EAST QUINCY) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 58.8 |
| Greenfield (UNKNOWN122593 - HERLEMAN) | Greenfield | 138 kV | 100 MW | 1.4 yrs | 58.4 |
| Greenfield (UNKNOWN122091 - UNKNOWN122581) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 58.3 |
| Greenfield (UNKNOWN122581 - HERLEMAN) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 58.1 |
| Greenfield (MEREDOSIA - EAST QUINCY) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 58.0 |
| Greenfield (MEREDOSIA - EAST QUINCY) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 56.2 |
| Greenfield (UNKNOWN122581 - HERLEMAN) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 54.0 |
| Greenfield (UNKNOWN122091 - UNKNOWN122581) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 53.5 |
| Greenfield (TAP138529 - EAST QUINCY) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 53.0 |
| EC FFE Adams County | Greenfield | — | — | 4.6 yrs | 52.8 |
| Greenfield (TAP138529 - EAST QUINCY) | Greenfield | 138 kV | 100 MW | 4.6 yrs | 52.2 |
| Mine Site | Former Mine | — | — | — | 40.8 |
| Mine Site | Former Mine | — | — | — | 40.7 |
Adams County datacenter FAQ
- How many datacenter sites are in Adams County?
- 28 scored datacenter candidate sites, averaging 55.7/100 DC Readiness.
- Does Adams 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 Adams County?
- FEMA's National Risk Index rates Adams County as "Relatively High" (score 35).
- What are industrial electricity rates in Adams County?
- Average industrial electricity is 3.10¢/kWh and commercial is 8.67¢/kWh in Adams 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 Adams 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.