Datacenter Sites in Allamakee, Iowa
Allamakee has 26 scored datacenter candidate sites averaging 55.5/100 DC Readiness, with a catalogued aggregate of 500 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Allamakee, Iowa has 26 scored datacenter candidate sites averaging 55.5/100 DC Readiness, roughly in line with the Iowa average of 56.3. It ranks 27th of 85 Iowa counties by number of sites and 44th by average score. The top-scoring site is Substation-Adjacent site · e5db4481 at 60.4/100.
Site-selection context for Allamakee
Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
How does Allamakee compare with other counties in Iowa?
By number of scored sites, Allamakee ranks 27th of the 85 Iowa counties with a county page, holding 1.0% of the state's 2,572 sites. Its average DC Readiness of 55.5/100 ranks 44th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1422nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 16 score 55 or higher.
What types of datacenter sites are in Allamakee?
Greenfield sites are the most common (16, 62% of the county's inventory), followed by substation-adjacent (8) and industrial (1). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Allamakee?
Industrial electricity averages 8.14¢/kWh and commercial 13.02¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (30). WRI water stress is low. 8 fiber providers report service in the county. The climate runs 900 cooling degree days a year with a mean temperature of 48°F. Land is valued around $7,375 an acre.
By site type
Top datacenter sites in Allamakee
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN130580 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.4 |
| EC Coal Allamakee County | Greenfield | — | — | 4.3 yrs | 58.6 |
| UNKNOWN130575 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 58.2 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 58.2 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 58.1 |
| EC Coal Allamakee County | Greenfield | — | — | 4.3 yrs | 57.3 |
| EC Coal Allamakee County | Greenfield | — | — | 4.3 yrs | 57.0 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 56.2 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 56.2 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 56.2 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 55.8 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 55.8 |
| TAP162947 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 55.7 |
| EC Coal Allamakee County | Greenfield | — | — | 4.3 yrs | 55.6 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 55.6 |
| UNKNOWN130581 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 55.6 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 54.7 |
| TAP138101 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 54.5 |
| TAP138100 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 54.5 |
| UNKNOWN138103 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 54.4 |
| UNKNOWN163260 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 54.4 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 52.6 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 52.2 |
| REC Postville- 228 West Greene Street | Industrial | — | — | 4.3 yrs | 51.8 |
| EC Near Lansing | Greenfield | — | — | 4.3 yrs | 51.7 |
Every scored site in Allamakee
All 26 sites, best first.
- Substation-Adjacent site · e5db4481 · 60.4
- EC Coal Allamakee County · 930b8c78 · 58.6
- Substation-Adjacent site · e4fa6a3c · 58.2
- EC Near Lansing · ecf81116 · 58.2
- EC Near Lansing · ab05b307 · 58.1
- EC Coal Allamakee County · 5eef1e26 · 57.3
- EC Coal Allamakee County · d51dbdbe · 57.0
- EC Near Lansing · 4e9674eb · 56.2
- EC Near Lansing · e0c7e394 · 56.2
- EC Near Lansing · f78f2e9b · 56.2
- EC Near Lansing · 79003763 · 55.8
- EC Near Lansing · 4eabf560 · 55.8
- Substation-Adjacent site · a09b6b3f · 55.7
- EC Coal Allamakee County · 183b96ae · 55.6
- EC Near Lansing · 08ceb166 · 55.6
- Substation-Adjacent site · 4cf79025 · 55.6
- EC Near Lansing · f094ce83 · 54.7
- Substation-Adjacent site · fd78b4d2 · 54.5
- Substation-Adjacent site · 64d4fd99 · 54.5
- Substation-Adjacent site · bb67092e · 54.4
- Substation-Adjacent site · 93f29e62 · 54.4
- EC Near Lansing · 2db768cf · 52.6
- EC Near Lansing · 7c291246 · 52.2
- REC Postville- 228 West Greene Street · 51.8
- EC Near Lansing · 4cc826d0 · 51.7
- Mine Site · 9a133bb4 · 50.7
Allamakee datacenter FAQ
How many datacenter sites are in Allamakee?
26 scored datacenter candidate sites, averaging 55.5/100 DC Readiness. That is the 27th-most of 85 Iowa counties with five or more sites.
What is the highest-scoring datacenter site in Allamakee?
Substation-Adjacent site · e5db4481 scores 60.4/100 DC Readiness, the highest of the 26 scored sites in Allamakee (a substation-adjacent site).
Does Allamakee 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 Allamakee?
FEMA's National Risk Index rates Allamakee as "Relatively Moderate" (score 30).
What are industrial electricity rates in Allamakee?
Average industrial electricity is 8.14¢/kWh and commercial is 13.02¢/kWh in Allamakee.
More in Iowa
- All datacenter sites in Iowa· 2,572 sites
- Operating datacenters in Iowa
- Electric substations in Iowa
- Black Hawk County· 126 sites · avg 58.4
- Pottawattamie County· 123 sites · avg 57.0
- Clinton County· 118 sites · avg 54.2
- Johnson County· 112 sites · avg 57.9
- Linn County· 105 sites · avg 58.3
- Dubuque County· 101 sites · avg 55.8
- Greenfield sites in Iowa
- Substation-Adjacent sites in Iowa
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Allamakee, Iowa”, https://gridcensus.com/datacenter-sites/iowa/allamakee (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Allamakee, Iowa is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.