Datacenter Sites in McHenry County, Illinois
McHenry County has 46 scored datacenter candidate sites averaging 59.5/100 DC Readiness, with a catalogued aggregate of 6,200 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
46
Candidate sites
59.5/100
Avg DC Readiness
6,200 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
Site-selection context for McHenry County
Yessales_tax_exemption
Datacenter tax incentive
8.86¢/kWh
Commercial electricity
5.29¢/kWh
Industrial electricity
12
Fiber providers
Low
Water stress
$8,304
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 McHenry County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SILVER LAKE | Substation-Adjacent | 345 kV | 600 MW | 3.8 yrs | 63.2 |
| PLEASANT VALLEY | Substation-Adjacent | 345 kV | 600 MW | 3.8 yrs | 60.5 |
| UNKNOWN122304 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.2 |
| RISER160112 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.0 |
| TAP136946 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.0 |
| UNKNOWN121953 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 58.0 |
| RISER160109 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 57.8 |
| UNKNOWN121954 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 57.7 |
| EC FFE McHenry County | Greenfield | — | — | 4.6 yrs | 57.5 |
| UNKNOWN121951 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 57.1 |
| TAP160108 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 57.0 |
| TAP137885 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 56.8 |
| OZ McHenry | Greenfield | — | — | 4.6 yrs | 56.1 |
| UNKNOWN121932 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 55.9 |
| TAP137883 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 55.5 |
| Greenfield (SILVER LAKE - TAP137908) | Greenfield | 345 kV | 600 MW | 3.8 yrs | 54.8 |
| UNKNOWN121949 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 54.3 |
| UNKNOWN121947 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 54.2 |
| Mine Site | Former Mine | — | — | 3.8 yrs | 54.1 |
| Mine Site | Former Mine | — | — | 3.8 yrs | 53.9 |
| Mine Site | Former Mine | — | — | 3.8 yrs | 53.8 |
| Mine Site | Former Mine | — | — | 3.8 yrs | 53.8 |
| TAP137875 | Substation-Adjacent | 138 kV | 100 MW | 3.8 yrs | 52.9 |
| Mine Site | Former Mine | — | — | 3.8 yrs | 52.6 |
| Mine Site | Former Mine | — | — | 3.8 yrs | 52.5 |
McHenry County datacenter FAQ
- How many datacenter sites are in McHenry County?
- 46 scored datacenter candidate sites, averaging 59.5/100 DC Readiness.
- Does McHenry 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 McHenry County?
- FEMA's National Risk Index rates McHenry County as "Relatively High" (score 35).
- What are industrial electricity rates in McHenry County?
- Average industrial electricity is 5.29¢/kWh and commercial is 8.86¢/kWh in McHenry County.
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for McHenry 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.