Union Supply Grocery
IndustrialMiller County, Arkansas · MISO
At a glance
Union Supply Grocery is an industrial datacenter candidate site in Miller County, Arkansas, scoring 50.9/100 DC Readiness — 25th of 39 scored sites in the county. It sits in the MISO grid region and the ENTERGY ARKANSAS LLC service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Site location
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How does Union Supply Grocery compare with other sites in Miller County?
Union Supply Grocery ranks 25th of 39 scored candidate sites in Miller County. Its 50.9/100 is roughly in line with the county average of 54.3. It is roughly in line with the Arkansas average of 53.6 and roughly in line with the national average of 53.2.
Against the Arkansas average, its strongest sub-score is fiber connectivity (76 vs 70) and its weakest is power availability (30 vs 42). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Union Supply Grocery to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is ARE-ON Hope at 30.3 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is ARE-ON Hope, 30.3 miles away.
What are the flood, water and hazard risks at Union Supply Grocery?
At the county level, FEMA's National Risk Index rates Miller County "Relatively High".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Miller County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TAP308045 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 64.9 |
| OZ Miller | Greenfield | — | — | 4.3 yrs | 60.5 |
| TAP305446 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 60.3 |
| TAP305443 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 60.0 |
| UNKNOWN309392 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 59.2 |
| UNKNOWN301845 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 59.1 |
| UNKNOWN310312 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 59.1 |
| TEXARKANA NO. 02 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 57.8 |
Union Supply Grocery: common questions
What is the DC Readiness score of Union Supply Grocery?
Union Supply Grocery scores 50.9/100 on the GridCensus DC Readiness scale, rated fair. It ranks 25th of 39 scored sites in Miller County. The Miller County average is 54.3 and the Arkansas average is 53.6.
Which electric utility serves Union Supply Grocery?
ENTERGY ARKANSAS LLC (investor owned) holds the retail service territory that contains the site; its holding company is ENTERGY CORP.
What grid region is Union Supply Grocery in?
Union Supply Grocery is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Union Supply Grocery from an internet exchange?
The nearest internet exchange facility is ARE-ON Hope, about 30.3 miles away; 6 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Union Supply Grocery, Miller County, AR”, https://gridcensus.com/datacenter-sites/arkansas/miller-county/union-supply-grocery-50db1517 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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