Brownfield Datacenter Sites in Maryland
At a glance
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
Top brownfield sites in Maryland
| Site | Type | County | Former use | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| Morgantown Generating Plant | Brownfield | Charles County | coal | 230 kV | 1,418 MW | 5.3 yrs | 66.4 |
| Forty West Landfill | Brownfield | Washington | landfill | — | 2 MW | 5.3 yrs | 62.9 |
| Frederick County Landfill Solar | Brownfield | Frederick | landfill | — | 2 MW | 5.3 yrs | 62.3 |
| Gould Street | Brownfield | Baltimore city | gas | — | 104 MW | 5.3 yrs | 61.9 |
| AES Warrior Run Cogeneration Facility | Brownfield | Allegany County | coal | — | 229 MW | 5.3 yrs | 60.8 |
| Hood's Mill Landfill | Brownfield | Carroll | landfill | 115 kV | — | 5.3 yrs | 57.6 |
| Easton | Brownfield | Talbot County | oil | — | 3 MW | 5.3 yrs | 55.6 |
| Domino Sugar Baltimore | Brownfield | Baltimore city | gas | — | 3 MW | 5.3 yrs | 55.3 |
| Berlin | Brownfield | Worcester County | oil | — | 18 MW | 5.3 yrs | 53.6 |
| Smith Island | Brownfield | Somerset County | oil | — | 1 MW | 5.3 yrs | 45.5 |
How does Maryland compare with other states for brownfield sites?
With 10 sites, Maryland ranks 26th of the 49 states that have any brownfield candidate sites. California leads with 103. Nationally, brownfield sites average 57.5/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Maryland averages 52.9, the 34th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 5.2 years.
Where are the highest-scoring brownfield sites in Maryland?
The top 10 range from 66.4 to 45.5 on the 0–100 DC Readiness Score. They are concentrated in Baltimore city (2). By grid region, 10 are in PJM.
County pages: Baltimore city · Charles County · Washington · Frederick
What power, fiber and flood exposure do these brownfield sites have?
Of the top 10 brownfield sites in Maryland, 2 have a recorded nearest-substation voltage, with a median of 173 kV; for 1 that substation is rated 230 kV or higher. Their counties have a median of 6 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 61 km. The median interconnection-queue wait in their markets is 5.3 years. 2 of the 9 with a mapped FEMA flood zone sit in a high-risk (A or V) zone.
Frequently asked questions
How many brownfield datacenter sites are in Maryland?
GridCensus catalogs 10 brownfield datacenter candidate sites in Maryland, 1% of the national total for this type (26th of 49 states).
What is a brownfield datacenter site?
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
What is the best brownfield datacenter site in Maryland?
By DC Readiness Score, Morgantown Generating Plant in Charles County ranks first at 66.4/100, followed by Forty West Landfill in Washington at 62.9.
Which Maryland counties have the best brownfield sites?
The top 10 brownfield sites in Maryland are concentrated in Baltimore city (2).
How does Maryland score for datacenters overall?
All 1,031 scored sites in Maryland average 52.9/100 DC Readiness, the 34th-highest of 52 states, against a national average of 53.0.
More on brownfield sites and Maryland
- All datacenter sites in Maryland· 1,031 sites
- Brownfield datacenter sites nationwide· 771 sites
- Substation-Adjacent sites in Maryland· 314 sites
- Greenfield sites in Maryland· 256 sites
- Industrial sites in Maryland· 242 sites
- Former Mine sites in Maryland· 149 sites
- Federal Excess sites in Maryland· 60 sites
Brownfield sites in other states
- Brownfield sites in California· 103 sites
- Brownfield sites in New Jersey· 52 sites
- Brownfield sites in New York· 48 sites
- Brownfield sites in Massachusetts· 44 sites
- Brownfield sites in Iowa· 38 sites
- Brownfield sites in Illinois· 33 sites
- Brownfield sites in Texas· 30 sites
- Brownfield sites in Ohio· 29 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, “Brownfield datacenter sites in Maryland”, https://gridcensus.com/site-types/brownfield/maryland (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Brownfield 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.