GRAVEL RIDGE SOUTH
Substation-AdjacentPulaski County, Arkansas · MISO
At a glance
GRAVEL RIDGE SOUTH is a substation-adjacent datacenter candidate site in Pulaski County, Arkansas, scoring 59.6/100 DC Readiness — 23rd of 166 scored sites in the county. Its nearest substation is GRAVEL RIDGE SOUTH (0 mi, 161 kV). 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. GridCensus catalogs 100 MW of candidate capacity here.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
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 GRAVEL RIDGE SOUTH compare with other sites in Pulaski County?
GRAVEL RIDGE SOUTH ranks 23rd of 166 scored candidate sites in Pulaski County. Its 59.6/100 is roughly in line with the county average of 56.4. It is about 11% above the Arkansas average of 53.6 and about 12% above the national average of 53.2.
Against the Arkansas average, its strongest sub-score is power availability (60 vs 42) and its weakest is speed to power (49 vs 51). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is GRAVEL RIDGE SOUTH to power, fiber and other datacenters?
The nearest mapped substation, GRAVEL RIDGE SOUTH, is about 0 miles away and operates at 161 kV. For connectivity, the nearest internet exchange facility is Mainstream Little Rock at 9.1 miles. 11 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Mainstream Little Rock, 9.1 miles away.
What are the flood, water and hazard risks at GRAVEL RIDGE SOUTH?
At the county level, FEMA's National Risk Index rates Pulaski 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 Pulaski County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MABELVALE SUBSTATION | Substation-Adjacent | 500 kV | 1,000 MW | 4.3 yrs | 68.6 |
| MAYFLOWER | Substation-Adjacent | 500 kV | 1,000 MW | 4.3 yrs | 67.5 |
| WRIGHTSVILLE | Substation-Adjacent | 500 kV | 1,000 MW | 4.3 yrs | 67.5 |
| OZ Pulaski | Greenfield | — | — | 4.3 yrs | 64.5 |
| EC Near Cecil Lynch | Greenfield | — | — | 4.3 yrs | 62.4 |
| UNKNOWN107783 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 61.5 |
| EC Near Archer Daniels Midland Little Rock | Greenfield | — | — | 4.3 yrs | 61.3 |
| UNKNOWN154333 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.7 |
GRAVEL RIDGE SOUTH: common questions
What is the DC Readiness score of GRAVEL RIDGE SOUTH?
GRAVEL RIDGE SOUTH scores 59.6/100 on the GridCensus DC Readiness scale, rated good. It ranks 23rd of 166 scored sites in Pulaski County. The Pulaski County average is 56.4 and the Arkansas average is 53.6.
What is the nearest substation to GRAVEL RIDGE SOUTH?
The nearest mapped substation is GRAVEL RIDGE SOUTH, about 0 miles away, at 161 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves GRAVEL RIDGE SOUTH?
ENTERGY ARKANSAS LLC (investor owned) holds the retail service territory that contains the site; its holding company is ENTERGY CORP.
What grid region is GRAVEL RIDGE SOUTH in?
GRAVEL RIDGE SOUTH is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is GRAVEL RIDGE SOUTH from an internet exchange?
The nearest internet exchange facility is Mainstream Little Rock, about 9.1 miles away; 11 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, “GRAVEL RIDGE SOUTH, Pulaski County, AR”, https://gridcensus.com/datacenter-sites/arkansas/pulaski-county/gravel-ridge-south-f884947d (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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