Greenfield (TAP149984 - WOODWARD SUBSTATIO)
GreenfieldJefferson County, Arkansas · MISO
At a glance
Greenfield (TAP149984 - WOODWARD SUBSTATIO) is a greenfield datacenter candidate site in Jefferson County, Arkansas, scoring 48.6/100 DC Readiness — 79th of 82 scored sites in the county. Its nearest substation is TAP149984. 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
Get alerts
Track Greenfield (TAP149984 - WOODWARD SUBSTATIO)
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does Greenfield (TAP149984 - WOODWARD SUBSTATIO) compare with other sites in Jefferson County?
Greenfield (TAP149984 - WOODWARD SUBSTATIO) ranks 79th of 82 scored candidate sites in Jefferson County. Its 48.6/100 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 (28 vs 42). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (TAP149984 - WOODWARD SUBSTATIO) to power, fiber and other datacenters?
The nearest mapped substation, TAP149984, is the closest grid connection point on record and operates at 115 kV. For connectivity, the nearest internet exchange facility is Mainstream Little Rock at 35.7 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Mainstream Little Rock, 35.7 miles away.
What are the flood, water and hazard risks at Greenfield (TAP149984 - WOODWARD SUBSTATIO)?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). 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 |
| PINE BLUFF WEST | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 55.1 |
| PINE BLUFF EAST | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 55.1 |
Greenfield (TAP149984 - WOODWARD SUBSTATIO): common questions
What is the DC Readiness score of Greenfield (TAP149984 - WOODWARD SUBSTATIO)?
Greenfield (TAP149984 - WOODWARD SUBSTATIO) scores 48.6/100 on the GridCensus DC Readiness scale, rated fair. It ranks 79th of 82 scored sites in Jefferson County. The Jefferson County average is 51.1 and the Arkansas average is 53.6.
What is the nearest substation to Greenfield (TAP149984 - WOODWARD SUBSTATIO)?
The nearest mapped substation is TAP149984, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves Greenfield (TAP149984 - WOODWARD SUBSTATIO)?
ENTERGY ARKANSAS LLC (investor owned) holds the retail service territory that contains the site; its holding company is ENTERGY CORP.
What grid region is Greenfield (TAP149984 - WOODWARD SUBSTATIO) in?
Greenfield (TAP149984 - WOODWARD SUBSTATIO) is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is Greenfield (TAP149984 - WOODWARD SUBSTATIO) in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is Greenfield (TAP149984 - WOODWARD SUBSTATIO) from an internet exchange?
The nearest internet exchange facility is Mainstream Little Rock, about 35.7 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, “Greenfield (TAP149984 - WOODWARD SUBSTATIO), Jefferson County, AR”, https://gridcensus.com/datacenter-sites/arkansas/jefferson-county/greenfield-tap149984-woodward-substatio-20f39155 (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.
Go deeper than the public screen
Every site and score for Greenfield (TAP149984 - WOODWARD SUBSTATIO), Jefferson County 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.