Datacenter Sites in Maryland
Maryland has 1,031 scored datacenter candidate sites averaging 54.7/100 DC Readiness. Substation-Adjacent parcels lead the inventory (314 sites). Most sites interconnect through PJM. The state's candidate sites carry a catalogued aggregate of 58.2k MW and average a 3.7 yrs interconnection-queue wait.
1,031
Candidate sites
54.7/100
Avg DC Readiness
58.2k MW
Catalogued capacity
theoretical aggregate
3.7 yrs
Avg queue wait
By site type
Average sub-score profile
How Maryland's candidate sites score on each DC Readiness dimension (0–100 average).
Power availability
39.1
Speed-to-power
33.2
Fiber
71.8
Water
83.7
Hazard resilience
75.4
Top 25 datacenter sites in Maryland
Ranked by DC Readiness.
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| ROCK SPRINGS | Substation-Adjacent | Harford County | 500 kV | 1,000 MW | 3.8 yrs | 69.5 |
| WAUGH CHAPEL | Substation-Adjacent | Anne Arundel County | 500 kV | 1,000 MW | 3.8 yrs | 69.0 |
| BURCHES HILL | Substation-Adjacent | Prince George's County | 500 kV | 1,000 MW | 3.8 yrs | 68.4 |
| BRIGHTON | Substation-Adjacent | Howard County | 500 kV | 1,000 MW | 3.8 yrs | 68.3 |
| UNKNOWN162182 | Substation-Adjacent | Prince George's County | 500 kV | 1,000 MW | 3.8 yrs | 68.2 |
| Morgantown Generating Plant | Brownfield | Charles County | 230 kV | 1,418 MW | 3.8 yrs | 66.9 |
| TOKOMA | Substation-Adjacent | District of Columbia | 230 kV | 300 MW | 3.8 yrs | 66.5 |
| CONASTONE | Substation-Adjacent | Harford County | 500 kV | 1,000 MW | 3.8 yrs | 66.2 |
| DOUBS | Substation-Adjacent | Frederick County | 500 kV | 1,000 MW | 3.8 yrs | 66.1 |
| BELLS MILL | Substation-Adjacent | Montgomery County | 230 kV | 300 MW | 3.8 yrs | 65.9 |
| UNKNOWN123195 | Substation-Adjacent | Baltimore city | 230 kV | 300 MW | 3.8 yrs | 65.9 |
| TAP139171 | Substation-Adjacent | Howard County | 230 kV | 300 MW | 3.8 yrs | 65.8 |
| HIGH RIDGE | Substation-Adjacent | Howard County | 230 kV | 300 MW | 3.8 yrs | 65.8 |
| TAP139322 | Substation-Adjacent | Frederick County | 500 kV | 1,000 MW | 3.8 yrs | 65.8 |
| EC Coal Anne Arundel County | Greenfield | Anne Arundel County | — | — | 3.5 yrs | 65.6 |
| METZEROTT ROAD | Substation-Adjacent | District of Columbia | 230 kV | 300 MW | 3.8 yrs | 65.4 |
| BRANDON SHORES | Substation-Adjacent | Baltimore city | 230 kV | 300 MW | 3.8 yrs | 65.3 |
| HOWARD | Substation-Adjacent | Howard County | 230 kV | 300 MW | 3.8 yrs | 65.0 |
| DICKERSON | Substation-Adjacent | Loudoun County | 230 kV | 300 MW | 3.8 yrs | 64.9 |
| UNKNOWN122985 | Substation-Adjacent | Howard County | 230 kV | 300 MW | 3.8 yrs | 64.9 |
| TAP139085 | Substation-Adjacent | Howard County | 230 kV | 300 MW | 3.8 yrs | 64.8 |
| TAP139174 | Substation-Adjacent | Anne Arundel County | 230 kV | 300 MW | 3.8 yrs | 64.8 |
| GRANITE | Substation-Adjacent | Howard County | 230 kV | 300 MW | 3.8 yrs | 64.8 |
| OZ Montgomery | Greenfield | Montgomery | — | — | 3.5 yrs | 64.7 |
| EC Near NIH Cogeneration Facility | Greenfield | Montgomery | — | — | 3.5 yrs | 64.6 |
Counties in Maryland
24 counties with five or more scored sites.
Baltimore County164 · 55.8Allegany County81 · 50.8Garrett County76 · 50.6Anne Arundel County64 · 57.1Prince George's County61 · 58.6Charles53 · 56.8Montgomery51 · 60.2Talbot County46 · 51.0Cecil County44 · 54.3Harford County44 · 57.8Baltimore42 · 58.2Frederick County31 · 57.5St. Mary's County30 · 51.5Washington County30 · 55.8Worcester County30 · 51.3Somerset25 · 49.2Calvert County24 · 55.0Carroll County24 · 55.7Wicomico County23 · 52.5Howard County17 · 62.7Caroline County16 · 52.6Dorchester County13 · 51.5Kent County13 · 53.8Queen Anne's County9 · 53.3
Maryland datacenter site selection FAQ
- How many datacenter sites are in Maryland?
- GridCensus catalogs 1,031 scored datacenter candidate sites in Maryland, with an average DC Readiness score of 54.7/100.
- What is the average interconnection-queue wait in Maryland?
- Candidate sites in Maryland average a 3.7 yrs interconnection-queue wait, with an average queue depth of 285 projects.
- What kind of datacenter sites are most common in Maryland?
- Substation-Adjacent sites are the most common category in Maryland (314 sites), and most sites fall within the PJM grid region.
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Maryland. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.