Datacenter Sites in Clinton County, Iowa
Clinton County has 122 scored datacenter candidate sites averaging 48.2/100 DC Readiness, with a catalogued aggregate of 3,900 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
122
Candidate sites
48.2/100
Avg DC Readiness
3,900 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
Site-selection context for Clinton County
Yessales_tax_exemption
Datacenter tax incentive
12.32¢/kWh
Commercial electricity
7.86¢/kWh
Industrial electricity
14
Fiber providers
Low
Water stress
$9,600
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 Clinton County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN122189 | Substation-Adjacent | 345 kV | 600 MW | 1.4 yrs | 76.6 |
| ROCK CREEK | Substation-Adjacent | 345 kV | 600 MW | 1.4 yrs | 72.4 |
| UNKNOWN122187 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 70.7 |
| DEWITT | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 70.0 |
| QUAD CITIES | Substation-Adjacent | 345 kV | 600 MW | 1.4 yrs | 69.3 |
| CALAMUS | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 67.7 |
| UNKNOWN131582 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 66.8 |
| Greenfield (SALEM - ROCK CREEK) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 66.4 |
| MAQUOKETA | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 66.1 |
| Greenfield (SALEM - ROCK CREEK) | Greenfield | 345 kV | 600 MW | 1.4 yrs | 66.1 |
| Greenfield (CALAMUS - DEWITT) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 65.1 |
| MILTON L KAPP | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 63.3 |
| Greenfield (DEWITT - ROCK CREEK) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 63.0 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 62.2 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 61.8 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 61.7 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 61.6 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 61.6 |
| Greenfield (MAQUOKETA - UNKNOWN131582) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 61.1 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 60.7 |
| OZ Clinton | Greenfield | — | — | 1.4 yrs | 60.1 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 58.4 |
| EC Near Milton L Kapp | Greenfield | — | — | 1.4 yrs | 58.2 |
| EC Near Archer Daniels Midland Clinton | Greenfield | — | — | 1.4 yrs | 56.5 |
| Mine Site | Former Mine | — | — | — | 45.1 |
Clinton County datacenter FAQ
- How many datacenter sites are in Clinton County?
- 122 scored datacenter candidate sites, averaging 48.2/100 DC Readiness.
- Does Clinton 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 Clinton County?
- FEMA's National Risk Index rates Clinton County as "Relatively Moderate" (score 30).
- What are industrial electricity rates in Clinton County?
- Average industrial electricity is 7.86¢/kWh and commercial is 12.32¢/kWh in Clinton 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 Clinton 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.