Datacenter Sites in Grant County, Arkansas
Grant County has 14 scored datacenter candidate sites averaging 53.5/100 DC Readiness, with a catalogued aggregate of 1,800 MW. FEMA rates local natural-hazard risk as "Relatively High".
At a glance
Grant County, Arkansas has 14 scored datacenter candidate sites averaging 53.5/100 DC Readiness, roughly in line with the Arkansas average of 53.6. It ranks 41st of 74 Arkansas counties by number of sites and 36th by average score. The top-scoring site is SHERIDAN at 64.5/100.
Site-selection context for Grant County
How does Grant County compare with other counties in Arkansas?
By number of scored sites, Grant County ranks 41st of the 74 Arkansas counties with a county page, holding 0.8% of the state's 1,651 sites. Its average DC Readiness of 53.5/100 ranks 36th in the state and is roughly in line with the national average of 53.0. Nationally it has the 2089th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 5 score 55 or higher.
What types of datacenter sites are in Grant County?
Substation-Adjacent sites are the most common (7, 50% of the county's inventory), followed by greenfield (3) and former mine (3). 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 Grant County?
Industrial electricity averages 7.81¢/kWh and commercial 11.95¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (38). WRI water stress is low. 6 fiber providers report service in the county. The climate runs 1,900 cooling degree days a year with a mean temperature of 60°F. Land is valued around $3,912 an acre.
By site type
Top datacenter sites in Grant County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SHERIDAN | Substation-Adjacent | 500 kV | 1,000 MW | 4.3 yrs | 64.5 |
| UNKNOWN108078 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.9 |
| UNKNOWN121352 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 56.3 |
| POYEN | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 55.4 |
| TAP149972 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 55.3 |
| UNKNOWN108039 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 54.9 |
| UNKNOWN108041 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 54.5 |
| OZ Grant | Greenfield | — | — | 4.3 yrs | 53.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 50.8 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 50.2 |
| Greenfield (POYEN - TAP149972) | Greenfield | 115 kV | 100 MW | 4.3 yrs | 49.6 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.5 |
| Industrial Road | Industrial | — | — | 4.3 yrs | 48.4 |
| Greenfield (UNKNOWN108006 - UNKNOWN108039) | Greenfield | 115 kV | 100 MW | 4.3 yrs | 48.2 |
Every scored site in Grant County
All 14 sites, best first.
- SHERIDAN · 64.5
- Substation-Adjacent site · 22e976f5 · 57.9
- Substation-Adjacent site · 07a1b440 · 56.3
- POYEN · 55.4
- Substation-Adjacent site · 435a9d32 · 55.3
- Substation-Adjacent site · 0b58db25 · 54.9
- Substation-Adjacent site · a257ff90 · 54.5
- OZ Grant · 53.2
- Mine Site · d657e973 · 50.8
- Mine Site · ca3802e9 · 50.2
- Greenfield (POYEN - TAP149972) · 49.6
- Mine Site · 4eb5698e · 49.5
- Industrial Road · 48.4
- Greenfield (UNKNOWN108006 - UNKNOWN108039) · 48.2
Grant County datacenter FAQ
How many datacenter sites are in Grant County?
14 scored datacenter candidate sites, averaging 53.5/100 DC Readiness. That is the 41st-most of 74 Arkansas counties with five or more sites.
What is the highest-scoring datacenter site in Grant County?
SHERIDAN scores 64.5/100 DC Readiness, the highest of the 14 scored sites in Grant County (a substation-adjacent site).
Does Grant County offer datacenter tax incentives?
No datacenter-specific tax incentive is on record for Grant County in the GridCensus county dataset.
What is the natural-hazard risk in Grant County?
FEMA's National Risk Index rates Grant County as "Relatively High" (score 38).
What are industrial electricity rates in Grant County?
Average industrial electricity is 7.81¢/kWh and commercial is 11.95¢/kWh in Grant County.
More in Arkansas
- All datacenter sites in Arkansas· 1,651 sites
- Operating datacenters in Arkansas
- Electric substations in Arkansas
- Pulaski County· 166 sites · avg 56.4
- Jefferson County· 82 sites · avg 51.1
- Sebastian County· 78 sites · avg 53.4
- Washington County· 58 sites · avg 58.8
- Benton County· 57 sites · avg 56.7
- Craighead County· 42 sites · avg 53.0
- Substation-Adjacent sites in Arkansas
- Greenfield sites in Arkansas
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 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Grant County, Arkansas”, https://gridcensus.com/datacenter-sites/arkansas/grant-county (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Grant County, Arkansas 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.