Greenfield (STONEWALL - FEAGAN'S MILL)
GreenfieldJefferson County, Kentucky · PJM
At a glance
Greenfield (STONEWALL - FEAGAN'S MILL) is a greenfield datacenter candidate site in Jefferson County, Kentucky, scoring 50.4/100 DC Readiness — 59th of 59 scored sites in the county. Its nearest substation is STONEWALL. It sits in the PJM grid region, where interconnection has averaged 4.7 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
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 Greenfield (STONEWALL - FEAGAN'S MILL) compare with other sites in Jefferson County?
Greenfield (STONEWALL - FEAGAN'S MILL) ranks 59th of 59 scored candidate sites in Jefferson County. Its 50.4/100 is roughly in line with the county average of 52.7. It is roughly in line with the Kentucky average of 52.8 and roughly in line with the national average of 53.2.
Against the Kentucky average, its strongest sub-score is natural hazard (78 vs 69) and its weakest is fiber connectivity (58 vs 63). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (STONEWALL - FEAGAN'S MILL) to power, fiber and other datacenters?
The nearest mapped substation, STONEWALL, is the closest grid connection point on record and operates at 138 kV. For connectivity, the nearest internet exchange facility is DataBank Ashburn (IAD1) at 31.9 miles. 3 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Middletown Data Center, 23.2 miles away.
What are the flood, water and hazard risks at Greenfield (STONEWALL - FEAGAN'S MILL)?
At the county level, FEMA's National Risk Index rates Jefferson County "Relatively Low".
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 |
|---|---|---|---|---|---|
| OZ Jefferson | Greenfield | — | — | 3.0 yrs | 60.0 |
| OZ Jefferson | Greenfield | — | — | 3.0 yrs | 59.6 |
| OZ Jefferson | Greenfield | — | — | 3.0 yrs | 58.7 |
| OZ Jefferson | Greenfield | — | — | 3.0 yrs | 58.5 |
| UNKNOWN108974 | Substation-Adjacent | 138 kV | 100 MW | 3.0 yrs | 58.1 |
| FEAGAN'S MILL | Substation-Adjacent | 138 kV | 100 MW | 3.0 yrs | 57.8 |
| SLEEPY HOLLOW | Substation-Adjacent | 138 kV | 100 MW | 3.0 yrs | 57.7 |
| SHEPHERDSTOWN | Substation-Adjacent | 138 kV | 100 MW | 3.0 yrs | 57.5 |
Greenfield (STONEWALL - FEAGAN'S MILL): common questions
What is the DC Readiness score of Greenfield (STONEWALL - FEAGAN'S MILL)?
Greenfield (STONEWALL - FEAGAN'S MILL) scores 50.4/100 on the GridCensus DC Readiness scale, rated fair. It ranks 59th of 59 scored sites in Jefferson County. The Jefferson County average is 52.7 and the Kentucky average is 52.8.
What is the nearest substation to Greenfield (STONEWALL - FEAGAN'S MILL)?
The nearest mapped substation is STONEWALL, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
What grid region is Greenfield (STONEWALL - FEAGAN'S MILL) in?
Greenfield (STONEWALL - FEAGAN'S MILL) is in the PJM region. Projects interconnecting there have averaged a 4.7-year wait from queue request to operation.
How far is Greenfield (STONEWALL - FEAGAN'S MILL) from an internet exchange?
The nearest internet exchange facility is DataBank Ashburn (IAD1), about 31.9 miles away; 3 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 (STONEWALL - FEAGAN'S MILL), Jefferson County, KY”, https://gridcensus.com/datacenter-sites/kentucky/jefferson-county/greenfield-stonewall-feagan-s-mill-e02b48c6 (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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