Former Mine Datacenter Sites in Delaware
At a glance
Decommissioned or active mining land. Mine sites often retain heavy electrical service and water rights from prior operations, and many sit near coal-plant substations now freeing up grid capacity.
Top former mine sites in Delaware
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| Mine Site | Former Mine | New Castle County | — | — | 1.5 yrs | 57.5 |
| Mine Site | Former Mine | New Castle County | — | — | 1.5 yrs | 56.2 |
| Mine Site | Former Mine | Kent County | — | — | 1.5 yrs | 50.8 |
| Mine Site | Former Mine | Sussex County | — | — | 1.5 yrs | 49.5 |
| Mine Site | Former Mine | Sussex County | — | — | 1.5 yrs | 49.1 |
| Mine Site | Former Mine | Sussex County | — | — | 1.5 yrs | 49.0 |
How does Delaware compare with other states for former mine sites?
With 6 sites, Delaware ranks 50th of the 50 states that have any former mine candidate sites. Kentucky leads with 5,049. Nationally, former mine sites average 49.7/100 DC Readiness, below the 53.0 average across all site types. Across every site type, Delaware averages 57.1, the 3rd-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 1.5 years.
Where are the highest-scoring former mine sites in Delaware?
The top 6 range from 57.5 to 49.0 on the 0–100 DC Readiness Score. They are concentrated in Sussex County (3) and New Castle County (2). By grid region, 6 are in PJM.
County pages: Sussex County · New Castle County · Kent County
What power, fiber and flood exposure do these former mine sites have?
Their counties have a median of 7 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 97 km. The median interconnection-queue wait in their markets is 1.5 years. None of the 1 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many former mine datacenter sites are in Delaware?
GridCensus catalogs 6 former mine datacenter candidate sites in Delaware, 0.0% of the national total for this type (50th of 50 states).
What is a former mine datacenter site?
Decommissioned or active mining land. Mine sites often retain heavy electrical service and water rights from prior operations, and many sit near coal-plant substations now freeing up grid capacity.
What is the best former mine datacenter site in Delaware?
By DC Readiness Score, Mine Site in New Castle County ranks first at 57.5/100, followed by Mine Site in New Castle County at 56.2.
Which Delaware counties have the best former mine sites?
The top 6 former mine sites in Delaware are concentrated in Sussex County (3) and New Castle County (2).
How does Delaware score for datacenters overall?
All 288 scored sites in Delaware average 57.1/100 DC Readiness, the 3rd-highest of 52 states, against a national average of 53.0.
More on former mine sites and Delaware
Former Mine sites in other states
- Former Mine sites in Kentucky· 5,049 sites
- Former Mine sites in Pennsylvania· 3,356 sites
- Former Mine sites in West Virginia· 2,495 sites
- Former Mine sites in Virginia· 1,614 sites
- Former Mine sites in Alabama· 1,069 sites
- Former Mine sites in Texas· 935 sites
- Former Mine sites in Ohio· 925 sites
- Former Mine sites in Tennessee· 661 sites
Dataset updated . Screening estimates derived from public data sources.
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 November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Former Mine datacenter sites in Delaware”, https://gridcensus.com/site-types/mine/delaware (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Former Mine sites in Delaware 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.