Greenfield Datacenter Sites in Maryland
At a glance
Undeveloped land with no prior industrial use. Greenfield parcels offer maximum design flexibility and large contiguous footprints, but typically require full utility build-out — the speed-to-power story hinges on proximity to existing transmission.
Top greenfield sites in Maryland
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| EC Coal Anne Arundel County | Greenfield | Anne Arundel County | — | — | 5.3 yrs | 62.8 |
| EC Near NIH Cogeneration Facility | Greenfield | Montgomery | — | — | 5.3 yrs | 61.9 |
| OZ Montgomery | Greenfield | Montgomery | — | — | 5.3 yrs | 61.9 |
| EC Near Riverside (MD) | Greenfield | Baltimore | — | — | 5.3 yrs | 61.7 |
| OZ Montgomery | Greenfield | Montgomery | — | — | 5.3 yrs | 61.7 |
| Greenfield (DOUBS - GOOSE CREEK) | Greenfield | Loudoun County | 500 kV | 1,000 MW | 5.3 yrs | 61.6 |
| EC Coal Montgomery County | Greenfield | Montgomery County | — | — | 5.3 yrs | 61.6 |
| EC Near NIH Cogeneration Facility | Greenfield | Montgomery | — | — | 5.3 yrs | 61.6 |
| EC Near NIH Cogeneration Facility | Greenfield | Montgomery | — | — | 5.3 yrs | 61.6 |
| OZ Baltimore | Greenfield | Baltimore | — | — | 5.3 yrs | 61.5 |
| OZ Prince George's | Greenfield | Prince George's | — | — | 5.3 yrs | 61.4 |
| OZ Montgomery | Greenfield | Montgomery | — | — | 5.3 yrs | 61.4 |
| EC Near Green Machine | Greenfield | Anne Arundel | — | — | 5.3 yrs | 61.3 |
| EC Near NIH Cogeneration Facility | Greenfield | Montgomery | — | — | 5.3 yrs | 61.1 |
| OZ Anne Arundel | Greenfield | Anne Arundel | — | — | 5.3 yrs | 61.0 |
| OZ Baltimore | Greenfield | Baltimore | — | — | 5.3 yrs | 61.0 |
| EC Near Herbert A Wagner | Greenfield | Anne Arundel | — | — | 5.3 yrs | 60.8 |
| EC Near Dickerson | Greenfield | Montgomery | — | — | 5.3 yrs | 60.8 |
| OZ Prince George's | Greenfield | Prince George's | — | — | 5.3 yrs | 60.8 |
| OZ Prince George's | Greenfield | Prince George's | — | — | 5.3 yrs | 60.8 |
| OZ Montgomery | Greenfield | Montgomery | — | — | 5.3 yrs | 60.7 |
| OZ Baltimore | Greenfield | Baltimore | — | — | 5.3 yrs | 60.7 |
| OZ Prince George's | Greenfield | Prince George's | — | — | 5.3 yrs | 60.5 |
| OZ Baltimore | Greenfield | Baltimore | — | — | 5.3 yrs | 60.5 |
| OZ Prince George's | Greenfield | Prince George's | — | — | 5.3 yrs | 60.4 |
How does Maryland compare with other states for greenfield sites?
With 256 sites, Maryland ranks 27th of the 51 states that have any greenfield candidate sites. Texas leads with 1,276. Nationally, greenfield sites average 55.4/100 DC Readiness, above the 53.2 average across all site types. Across every site type, Maryland averages 52.9, the 35th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 5.2 years.
Where are the highest-scoring greenfield sites in Maryland?
The top 25 range from 62.8 to 60.4 on the 0–100 DC Readiness Score. They are concentrated in Montgomery (10), Prince George's (5), Anne Arundel County (4) and Baltimore (3). By grid region, 25 are in PJM.
County pages: Montgomery · Prince George's · Anne Arundel County · Baltimore
What power, fiber and flood exposure do these greenfield sites have?
Of the top 25 greenfield sites in Maryland, 1 have a recorded nearest-substation voltage, with a median of 500 kV; for 1 that substation is rated 230 kV or higher. Their counties have a median of 11 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 7 km. The median interconnection-queue wait in their markets is 5.3 years. None of the 24 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 greenfield datacenter sites are in Maryland?
GridCensus catalogs 256 greenfield datacenter candidate sites in Maryland, 1% of the national total for this type (27th of 51 states).
What is a greenfield datacenter site?
Undeveloped land with no prior industrial use. Greenfield parcels offer maximum design flexibility and large contiguous footprints, but typically require full utility build-out — the speed-to-power story hinges on proximity to existing transmission.
What is the best greenfield datacenter site in Maryland?
By DC Readiness Score, EC Coal Anne Arundel County in Anne Arundel County ranks first at 62.8/100, followed by EC Near NIH Cogeneration Facility in Montgomery at 61.9.
Which Maryland counties have the best greenfield sites?
The top 25 greenfield sites in Maryland are concentrated in Montgomery (10), Prince George's (5), Anne Arundel County (4) and Baltimore (3).
How does Maryland score for datacenters overall?
All 1,031 scored sites in Maryland average 52.9/100 DC Readiness, the 35th-highest of 52 states, against a national average of 53.2.
More on greenfield sites and Maryland
- All datacenter sites in Maryland· 1,031 sites
- Greenfield datacenter sites nationwide· 18,112 sites
- Substation-Adjacent sites in Maryland· 314 sites
- Industrial sites in Maryland· 242 sites
- Former Mine sites in Maryland· 149 sites
- Federal Excess sites in Maryland· 60 sites
- Brownfield sites in Maryland· 10 sites
Greenfield sites in other states
- Greenfield sites in Texas· 1,276 sites
- Greenfield sites in Pennsylvania· 973 sites
- Greenfield sites in California· 941 sites
- Greenfield sites in Illinois· 913 sites
- Greenfield sites in Florida· 791 sites
- Greenfield sites in Michigan· 719 sites
- Greenfield sites in Ohio· 680 sites
- Greenfield sites in Kentucky· 640 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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Greenfield datacenter sites in Maryland”, https://gridcensus.com/site-types/greenfield/maryland (data as of October 10, 2026).
Go deeper than the public screen
Every site and score for Greenfield sites in Maryland 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.