Datacenter Sites in Appanoose, Iowa
Appanoose has 21 scored datacenter candidate sites averaging 56.0/100 DC Readiness, with a catalogued aggregate of 210 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Appanoose, Iowa has 21 scored datacenter candidate sites averaging 56.0/100 DC Readiness, roughly in line with the Iowa average of 56.3. It ranks 38th of 85 Iowa counties by number of sites and 39th by average score. The top-scoring site is Centerville at 60.0/100.
Site-selection context for Appanoose
Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
How does Appanoose compare with other counties in Iowa?
By number of scored sites, Appanoose ranks 38th of the 85 Iowa counties with a county page, holding 0.8% of the state's 2,572 sites. Its average DC Readiness of 56.0/100 ranks 39th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1665th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 14 score 55 or higher.
What types of datacenter sites are in Appanoose?
Greenfield sites are the most common (13, 62% of the county's inventory), followed by former mine (5) and substation-adjacent (2). 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 Appanoose?
Industrial electricity averages 8.19¢/kWh and commercial 13.42¢/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 $4,927 an acre.
By site type
Top datacenter sites in Appanoose
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Centerville | Brownfield | — | 60 MW | 4.3 yrs | 60.0 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 59.1 |
| OZ Appanoose | Greenfield | — | — | 4.3 yrs | 59.1 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 59.1 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 58.8 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 58.8 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 58.1 |
| APPANOOSE | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 58.0 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 57.9 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 57.8 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 57.2 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 57.1 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 57.0 |
| UNKNOWN173205 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 55.4 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 53.6 |
| EC Near Centerville | Greenfield | — | — | 4.3 yrs | 52.6 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 51.5 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 51.3 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 51.3 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 50.9 |
Every scored site in Appanoose
All 21 sites, best first.
- Centerville · 60.0
- EC Near Centerville · cbf4a89a · 59.1
- OZ Appanoose · 59.1
- EC Near Centerville · 7dc1be57 · 59.1
- EC Near Centerville · 36e98728 · 58.8
- EC Near Centerville · 162e8dc5 · 58.8
- EC Near Centerville · 68ab63f5 · 58.1
- APPANOOSE · 58.0
- EC Near Centerville · 917c7ded · 57.9
- EC Near Centerville · e1ad1b6f · 57.8
- EC Near Centerville · 0e056395 · 57.2
- EC Near Centerville · d0c5298d · 57.1
- EC Near Centerville · 8723a7b2 · 57.0
- Substation-Adjacent site · 1543a7ae · 55.4
- EC Near Centerville · b9c87d35 · 53.6
- EC Near Centerville · d8d1315b · 52.6
- Mine Site · c3e5dbf8 · 51.5
- Mine Site · 2427fd46 · 51.3
- Mine Site · 6c7ba9e4 · 51.3
- Mine Site · 70d37d93 · 51.0
- Mine Site · af961ac3 · 50.9
Appanoose datacenter FAQ
How many datacenter sites are in Appanoose?
21 scored datacenter candidate sites, averaging 56.0/100 DC Readiness. That is the 38th-most of 85 Iowa counties with five or more sites.
What is the highest-scoring datacenter site in Appanoose?
Centerville scores 60.0/100 DC Readiness, the highest of the 21 scored sites in Appanoose (a brownfield site).
Does Appanoose 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 Appanoose?
FEMA's National Risk Index rates Appanoose as "Relatively Moderate" (score 30).
What are industrial electricity rates in Appanoose?
Average industrial electricity is 8.19¢/kWh and commercial is 13.42¢/kWh in Appanoose.
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
- Former Mine 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 Appanoose, Iowa”, https://gridcensus.com/datacenter-sites/iowa/appanoose (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
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Every site and score for Appanoose, 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.