Datacenter Sites in Dubuque County, Iowa
Dubuque County has 90 scored datacenter candidate sites averaging 52.6/100 DC Readiness, with a catalogued aggregate of 4,719 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
90
Candidate sites
52.6/100
Avg DC Readiness
4,719 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
Site-selection context for Dubuque County
Yessales_tax_exemption
Datacenter tax incentive
12.51¢/kWh
Commercial electricity
8.58¢/kWh
Industrial electricity
12
Fiber providers
Low
Water stress
$10,692
Land price / acre
900
Cooling degree days
6,500
Heating degree days
48°F
Mean annual temp
Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
By site type
Top datacenter sites in Dubuque County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| DUBUQUE | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 70.7 |
| HICKORY CREEK | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 70.2 |
| Greenfield (SALEM - HAZLETON) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 70.1 |
| Greenfield (SALEM - HAZLETON) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 69.9 |
| UNKNOWN131370 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 69.3 |
| SALEM | Substation-Adjacent | 345 kV | 600 MW | 1.4 yrs | 68.8 |
| Greenfield (SALEM - HAZLETON) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 68.3 |
| Greenfield (SALEM - HAZLETON) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 68.2 |
| UNKNOWN156954 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 67.9 |
| Greenfield (SALEM - HAZLETON) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 67.7 |
| TAP136991 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 67.7 |
| LORE | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 66.2 |
| TURKEY RIVER | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 66.1 |
| EC Coal Dubuque County | Greenfield | — | — | 1.4 yrs | 64.2 |
| UNKNOWN136983 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 64.1 |
| UNKNOWN136990 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 64.0 |
| West Dubuque Solar Garden | Brownfield | — | 4 MW | — | 63.8 |
| Downtown Dubuque Solar Garden | Brownfield | — | 1 MW | — | 63.7 |
| Greenfield (HICKORY CREEK - LORE) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 63.2 |
| EC Near Dubuque | Greenfield | — | — | 1.4 yrs | 62.9 |
| EC Coal Dubuque County | Greenfield | — | — | 1.4 yrs | 61.7 |
| EC Near John Deere Dubuque Works | Greenfield | — | — | 1.4 yrs | 61.2 |
| EC Near Dubuque | Greenfield | — | — | 1.4 yrs | 61.1 |
| EC Near John Deere Dubuque Works | Greenfield | — | — | 1.4 yrs | 61.0 |
| E J STONEMAN STATION | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 61.0 |
Dubuque County datacenter FAQ
- How many datacenter sites are in Dubuque County?
- 90 scored datacenter candidate sites, averaging 52.6/100 DC Readiness.
- Does Dubuque County offer datacenter tax incentives?
- Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
- What is the natural-hazard risk in Dubuque County?
- FEMA's National Risk Index rates Dubuque County as "Relatively Moderate" (score 30).
- What are industrial electricity rates in Dubuque County?
- Average industrial electricity is 8.58¢/kWh and commercial is 12.51¢/kWh in Dubuque 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 Dubuque County, Iowa. 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.