Datacenter Sites in Marshall County, Iowa
Marshall County has 74 scored datacenter candidate sites averaging 49.0/100 DC Readiness, with a catalogued aggregate of 957 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
74
Candidate sites
49.0/100
Avg DC Readiness
957 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
Site-selection context for Marshall County
Yessales_tax_exemption
Datacenter tax incentive
12.49¢/kWh
Commercial electricity
7.34¢/kWh
Industrial electricity
12
Fiber providers
Low
Water stress
$9,375
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 Marshall County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN160010 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 70.2 |
| UNKNOWN132118 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 67.8 |
| Marshall County Landfill Solar | Brownfield | — | 0 MW | — | 64.8 |
| Sutherland | Brownfield | — | 157 MW | 1.4 yrs | 64.7 |
| UNKNOWN131067 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 63.7 |
| MARSHALLTOWN | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 63.1 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 63.0 |
| LAUREL WIND FARM | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 62.6 |
| EC Coal Marshall County | Greenfield | — | — | 1.4 yrs | 62.5 |
| Greenfield (FPL ENERGY STORY WIND LLC - UN) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 61.8 |
| EC Coal Marshall County | Greenfield | — | — | 1.4 yrs | 61.5 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 61.4 |
| EC Coal Marshall County | Greenfield | — | — | 1.4 yrs | 61.3 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 60.9 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 60.9 |
| Greenfield (MARSHALLTOWN - LAUREL WIND FAR) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 60.7 |
| Greenfield (FPL ENERGY STORY WIND LLC - UN) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 60.7 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 60.7 |
| EC Coal Marshall County | Greenfield | — | — | 1.4 yrs | 58.7 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 58.5 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 58.3 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 57.1 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 57.0 |
| EC Near Sutherland | Greenfield | — | — | 1.4 yrs | 54.0 |
| Mine Site | Former Mine | — | — | — | 44.1 |
Marshall County datacenter FAQ
- How many datacenter sites are in Marshall County?
- 74 scored datacenter candidate sites, averaging 49.0/100 DC Readiness.
- Does Marshall 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 Marshall County?
- FEMA's National Risk Index rates Marshall County as "Relatively Moderate" (score 30).
- What are industrial electricity rates in Marshall County?
- Average industrial electricity is 7.34¢/kWh and commercial is 12.49¢/kWh in Marshall 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 Marshall 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.