E. 12th Street
IndustrialJefferson County, Arkansas · MISO
At a glance
E. 12th Street is an industrial datacenter candidate site in Jefferson County, Arkansas, scoring 49.1/100 DC Readiness — 29th of 82 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
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 E. 12th Street compare with other sites in Jefferson County?
E. 12th Street ranks 29th of 82 scored candidate sites in Jefferson County. Its 49.1/100 is roughly in line with the county average of 51.1. 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 natural hazard (62 vs 61) 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 E. 12th Street to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Mainstream Little Rock at 39.6 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Mainstream Little Rock, 39.6 miles away.
What are the flood, water and hazard risks at E. 12th Street?
At the county level, FEMA's National Risk Index rates Jefferson 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 Jefferson County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| WHITE BLUFF | Substation-Adjacent | 500 kV | 1,000 MW | 4.3 yrs | 65.4 |
| WOODWARD SUBSTATION | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 59.3 |
| OZ Jefferson | Greenfield | — | — | 4.3 yrs | 57.2 |
| UNKNOWN121335 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 56.2 |
| UNKNOWN157008 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 56.1 |
| UNKNOWN108075 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 55.5 |
| UNKNOWN156453 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 55.1 |
| PINE BLUFF WEST | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 55.1 |
E. 12th Street: common questions
What is the DC Readiness score of E. 12th Street?
E. 12th Street scores 49.1/100 on the GridCensus DC Readiness scale, rated fair. It ranks 29th of 82 scored sites in Jefferson County. The Jefferson County average is 51.1 and the Arkansas average is 53.6.
Which electric utility serves E. 12th Street?
ENTERGY ARKANSAS LLC (investor owned) holds the retail service territory that contains the site; its holding company is ENTERGY CORP.
What grid region is E. 12th Street in?
E. 12th Street is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is E. 12th Street from an internet exchange?
The nearest internet exchange facility is Mainstream Little Rock, about 39.6 miles away; 10 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, “E. 12th Street, Jefferson County, AR”, https://gridcensus.com/datacenter-sites/arkansas/jefferson-county/e-12th-street-e2e3c07e (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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