Former Mine Datacenter Sites in New Jersey
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 New Jersey
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| Mine Site | Former Mine | Middlesex County | — | — | 2.7 yrs | 54.5 |
| Mine Site | Former Mine | Camden County | — | — | 2.7 yrs | 54.1 |
| Mine Site | Former Mine | Sussex County | — | — | 2.7 yrs | 53.9 |
| Mine Site | Former Mine | Passaic County | — | — | 2.7 yrs | 53.9 |
| Mine Site | Former Mine | Passaic County | — | — | 2.7 yrs | 53.8 |
| Mine Site | Former Mine | Middlesex County | — | — | 2.7 yrs | 53.8 |
| Mine Site | Former Mine | Passaic County | — | — | 2.7 yrs | 53.8 |
| Mine Site | Former Mine | Sussex County | — | — | 2.7 yrs | 53.8 |
| Mine Site | Former Mine | Somerset County | — | — | 2.7 yrs | 53.7 |
| Mine Site | Former Mine | Sussex County | — | — | 2.7 yrs | 53.6 |
| Mine Site | Former Mine | Morris County | — | — | 2.7 yrs | 53.5 |
| Mine Site | Former Mine | Somerset County | — | — | 2.7 yrs | 53.3 |
| Mine Site | Former Mine | Sussex County | — | — | 2.7 yrs | 53.1 |
| Mine Site | Former Mine | Sussex County | — | — | 2.7 yrs | 53.1 |
| Mine Site | Former Mine | Monmouth County | — | — | 2.7 yrs | 53.1 |
| Mine Site | Former Mine | Morris County | — | — | 2.7 yrs | 53.1 |
| Mine Site | Former Mine | Morris County | — | — | 2.7 yrs | 53.1 |
| Mine Site | Former Mine | Monmouth County | — | — | 2.7 yrs | 52.9 |
| Mine Site | Former Mine | Mercer County | — | — | 2.7 yrs | 52.9 |
| Mine Site | Former Mine | Monmouth County | — | — | 2.7 yrs | 52.9 |
| Mine Site | Former Mine | Mercer County | — | — | 2.7 yrs | 52.8 |
| Mine Site | Former Mine | Sussex County | — | — | 2.7 yrs | 52.5 |
| Mine Site | Former Mine | Sussex County | — | — | 2.7 yrs | 52.3 |
| Mine Site | Former Mine | Mercer County | — | — | 2.7 yrs | 52.2 |
| Mine Site | Former Mine | Sussex County | — | — | 2.7 yrs | 52.1 |
How does New Jersey compare with other states for former mine sites?
With 54 sites, New Jersey ranks 48th 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, New Jersey averages 55.2, the 16th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 2.7 years.
Where are the highest-scoring former mine sites in New Jersey?
The top 25 range from 54.5 to 52.1 on the 0–100 DC Readiness Score. They are concentrated in Sussex County (8), Passaic County (3), Morris County (3) and Monmouth County (3). By grid region, 24 are in PJM and 1 is in NYISO.
County pages: Sussex County · Passaic County · Morris County · Monmouth County
What power, fiber and flood exposure do these former mine sites have?
Their counties have a median of 10 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 14 km. The median interconnection-queue wait in their markets is 2.7 years. None of the 4 with a mapped FEMA flood zone sits in a high-risk (A or V) zone. 3 lie within 25 km of a binding transmission constraint.
Frequently asked questions
How many former mine datacenter sites are in New Jersey?
GridCensus catalogs 54 former mine datacenter candidate sites in New Jersey, 0.2% of the national total for this type (48th 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 New Jersey?
By DC Readiness Score, Mine Site in Middlesex County ranks first at 54.5/100, followed by Mine Site in Camden County at 54.1.
Which New Jersey counties have the best former mine sites?
The top 25 former mine sites in New Jersey are concentrated in Sussex County (8), Passaic County (3), Morris County (3) and Monmouth County (3).
How does New Jersey score for datacenters overall?
All 1,055 scored sites in New Jersey average 55.2/100 DC Readiness, the 16th-highest of 52 states, against a national average of 53.0.
More on former mine sites and New Jersey
- All datacenter sites in New Jersey· 1,055 sites
- Former Mine datacenter sites nationwide· 26,205 sites
- Industrial sites in New Jersey· 531 sites
- Greenfield sites in New Jersey· 231 sites
- Substation-Adjacent sites in New Jersey· 160 sites
- Brownfield sites in New Jersey· 52 sites
- Federal Excess sites in New Jersey· 26 sites
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 New Jersey”, https://gridcensus.com/site-types/mine/new-jersey (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Former Mine sites in New Jersey 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.