Datacenter Sites in Plymouth County, Iowa
Plymouth County has 23 scored datacenter candidate sites averaging 58.0/100 DC Readiness, with a catalogued aggregate of 1,800 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
23
Candidate sites
58.0/100
Avg DC Readiness
1,800 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
Site-selection context for Plymouth County
Yessales_tax_exemption
Datacenter tax incentive
8.05¢/kWh
Commercial electricity
7.31¢/kWh
Industrial electricity
6
Fiber providers
Low
Water stress
$11,556
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 Plymouth County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SIOUX CITY | Substation-Adjacent | 345 kV | 600 MW | 2.8 yrs | 67.4 |
| PLYMOUTH | Substation-Adjacent | 161 kV | 100 MW | 2.8 yrs | 61.9 |
| TAP137004 | Substation-Adjacent | 161 kV | 100 MW | 2.8 yrs | 61.1 |
| OZ Plymouth | Greenfield | — | — | 1.4 yrs | 60.4 |
| UNKNOWN137000 | Substation-Adjacent | 161 kV | 100 MW | 2.8 yrs | 59.7 |
| TAP168130 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 59.1 |
| UNKNOWN168129 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 59.1 |
| UNKNOWN167886 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 59.0 |
| TAP167938 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 58.9 |
| TAP167884 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 58.8 |
| UNKNOWN130483 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 57.5 |
| TAP167945 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 57.1 |
| UNKNOWN136999 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.9 |
| TAP137001 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.8 |
| UNKNOWN167883 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.5 |
| TAP167881 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.4 |
| UNKNOWN167887 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.3 |
| UNKNOWN167878 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.2 |
| UNKNOWN136982 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.2 |
| TAP167880 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.1 |
| TAP159176 | Substation-Adjacent | 69 kV | 50 MW | 2.8 yrs | 56.1 |
| Greenfield (UNKNOWN130487 - UNKNOWN130488) | Greenfield | 161 kV | 100 MW | 2.8 yrs | 55.1 |
| Mine Site | Former Mine | — | — | 2.8 yrs | 52.1 |
Plymouth County datacenter FAQ
- How many datacenter sites are in Plymouth County?
- 23 scored datacenter candidate sites, averaging 58.0/100 DC Readiness.
- Does Plymouth 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 Plymouth County?
- FEMA's National Risk Index rates Plymouth County as "Relatively Moderate" (score 30).
- What are industrial electricity rates in Plymouth County?
- Average industrial electricity is 7.31¢/kWh and commercial is 8.05¢/kWh in Plymouth 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 Plymouth County, Iowa. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.