Greenfield (UNKNOWN128197 - UNKNOWN128221)
GreenfieldSussex County, Delaware · PJM
At a glance
Greenfield (UNKNOWN128197 - UNKNOWN128221) is a greenfield datacenter candidate site in Sussex County, Delaware, scoring 52.8/100 DC Readiness — 42nd of 57 scored sites in the county. Its nearest substation is UNKNOWN128197. It sits in the PJM grid region and the DELMARVA POWER service territory, where interconnection has averaged 1.5 years from request to operation. GridCensus catalogs 300 MW of candidate capacity here.
Power & interconnection
Speed to power
Shorter queues and healthier completion here — a faster path to energization than the national norm.
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 (UNKNOWN128197 - UNKNOWN128221) compare with other sites in Sussex County?
Greenfield (UNKNOWN128197 - UNKNOWN128221) ranks 42nd of 57 scored candidate sites in Sussex County. Its 52.8/100 is roughly in line with the county average of 54.2. It is roughly in line with the Delaware average of 56.9 and roughly in line with the national average of 53.2.
Against the Delaware average, its strongest sub-score is power availability (50 vs 38) and its weakest is fiber connectivity (53 vs 82). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (UNKNOWN128197 - UNKNOWN128221) to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN128197, is the closest grid connection point on record and operates at 230 kV. The nearest located transmission bottleneck is NOTTINGHM 2-3 SER DEV A 230 KV (PJM), 76 miles away. For connectivity, the nearest internet exchange facility is USNAMES-NET at 65.5 miles. 7 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is USNAMES-NET, 65.5 miles away.
What are the flood, water and hazard risks at Greenfield (UNKNOWN128197 - UNKNOWN128221)?
At the county level, FEMA's National Risk Index rates Sussex 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 Sussex County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN128222 | Substation-Adjacent | 230 kV | 300 MW | 1.5 yrs | 62.1 |
| UNKNOWN128197 | Substation-Adjacent | 230 kV | 300 MW | 1.5 yrs | 60.3 |
| UNKNOWN128236 | Substation-Adjacent | 230 kV | 300 MW | 1.5 yrs | 59.5 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 57.9 |
| EC Near Indian River Generating Station | Greenfield | — | — | 1.5 yrs | 57.7 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 57.6 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 57.2 |
| OZ Sussex | Greenfield | — | — | 1.5 yrs | 57.1 |
Greenfield (UNKNOWN128197 - UNKNOWN128221): common questions
What is the DC Readiness score of Greenfield (UNKNOWN128197 - UNKNOWN128221)?
Greenfield (UNKNOWN128197 - UNKNOWN128221) scores 52.8/100 on the GridCensus DC Readiness scale, rated fair. It ranks 42nd of 57 scored sites in Sussex County. The Sussex County average is 54.2 and the Delaware average is 56.9.
What is the nearest substation to Greenfield (UNKNOWN128197 - UNKNOWN128221)?
The nearest mapped substation is UNKNOWN128197, at 230 kV. GridCensus catalogs 300 MW of candidate capacity for the site.
Which electric utility serves Greenfield (UNKNOWN128197 - UNKNOWN128221)?
DELMARVA POWER (investor owned) holds the retail service territory that contains the site.
What grid region is Greenfield (UNKNOWN128197 - UNKNOWN128221) in?
Greenfield (UNKNOWN128197 - UNKNOWN128221) is in the PJM region. Projects interconnecting there have averaged a 1.5-year wait from queue request to operation.
How far is Greenfield (UNKNOWN128197 - UNKNOWN128221) from an internet exchange?
The nearest internet exchange facility is USNAMES-NET, about 65.5 miles away; 7 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 (UNKNOWN128197 - UNKNOWN128221), Sussex County, DE”, https://gridcensus.com/datacenter-sites/delaware/sussex-county/greenfield-unknown128197-unknown128221-ecdde4c2 (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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