Maryland · data as of 1 Nov 2026
Maryland: 561+ MW of existing data centers. 2.0+ GW in the pipeline.
26 projects tracked from county filings, state records and news. Status and permit facts link to their sources.
We haven't yet searched Maryland for data center projects beyond the ones we track here.
Projects by stage
| Stage | Projects | MW |
|---|---|---|
| Announced | 2 projects | under 100 MW |
| Land & zoning | 2 projects | 500–1,000 MW |
| Under construction | 4 projects | 1.1 GW |
| Operating | 16 projects | 561+ MW |
| Withdrawn | 2 projects | 1,000+ MW |
| Total | 26 projects | 3.5+ GW |
+ = at least. MW includes Grounded Compute research (Q2 2026) where no public source gives a value.
Where the pipeline is
Counties shaded by MW
26 of 26 projects mapped · locations from our project list · as of 1 Nov 2026
County shading
- Under 500 MW
- 500–2,000 MW
- 2,000+ MW
Data center projects
- Planned
- Permitted
- Under construction
- Operating
- Withdrawn
Pin size: MW
Counties with the most MW
+ = at least
- Frederick1.3 GW
5 projects - Montgomery377 MW
3 projects - Anne Arundel353+ MW
5 projects - Baltimore6 MW
3 projects - Baltimore city3+ MW
4 projects - Calvert500–1,000 MW
3 projects - Charles1,000+ MW
1 project - Howardunder 100 MW
1 project
Moratoriums
As of 31 Oct 2026, we count at least 15 local data center pauses in force in Maryland, 3 bans and 4 proposals, across its counties and cities. At state level, a bill or proposal is pending.
Maryland moratorium tracker: every row with its sourceCounties with a project (9)
Counties with 3 or more projects have their own page
| County | Projects | Under construction or operating | MW |
|---|---|---|---|
| Anne Arundel County | 5 | 5 | 353+ MW |
| Frederick County | 5 | 5 | 1.3 GW |
| City of Baltimore | 4 | 4 | 3+ MW |
| Baltimore County | 3 | 3 | 6 MW |
| Calvert County | 3 | 0 | 500–1,000 MW |
| Montgomery County | 3 | 2 | 377 MW |
| Charles County | 1 | 0 | 1,000+ MW |
| Howard County | 1 | 1 | under 100 MW |
| Prince George's County | 1 | 0 | under 100 MW |
| 9 counties | 26 | 20 | Calculated |
Projects
5 projects named free · 21 more in the Maryland file
| Developer · address | County | Stage | MW range | Dates | ID |
|---|---|---|---|---|---|
| TierPoint · 813 Pinnacle Drive, Linthicum Heights | Anne Arundel County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-ANN-0002 |
| AWS · 610 Guardians Way, Jessup | Anne Arundel County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-ANN-0003 |
| AWS · Sandy Farm Road, Severn | Anne Arundel County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-ANN-0004 |
| AWS · 3250 Digital Drive, Frederick | Frederick County | Operating | 100–500 MW | First recorded 25 Oct 2026 | MD-FRE-0004 |
| AWS · 3611 Quantum Place, Frederick | Frederick County | Operating | 100–500 MW | Last change 1 Nov 2026 | MD-FRE-0005 |
| Developer and address: in the paid file | Anne Arundel County | Operating | MW not reported | First recorded 25 Oct 2026 | MD-ANN-0001 |
| Developer and address: in the paid file | City of Baltimore | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-BLT-0001 |
| Developer and address: in the paid file | City of Baltimore | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-BLT-0002 |
| Developer and address: in the paid file | City of Baltimore | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-BLT-0003 |
| Developer and address: in the paid file | City of Baltimore | Operating | MW not reported | First recorded 25 Oct 2026 | MD-BLT-0004 |
| Developer and address: in the paid file | Baltimore County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-BAL-0001 |
| Developer and address: in the paid file | Baltimore County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-BAL-0002 |
| Developer and address: in the paid file | Baltimore County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-BAL-0003 |
| Developer and address: in the paid file | Howard County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-HOW-0001 |
| Developer and address: in the paid file | Montgomery County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-MON-0001 |
| Developer and address: in the paid file | Montgomery County | Operating | under 100 MW | First recorded 25 Oct 2026 | MD-MON-0002 |
| Developer and address: in the paid file | Anne Arundel County | Under construction | 100–500 MW | Last change 1 Nov 2026 | MD-ANN-0005 |
| Developer and address: in the paid file | Frederick County | Under construction | 100–500 MW | Last change 1 Nov 2026 | MD-FRE-0001 |
| Developer and address: in the paid file | Frederick County | Under construction | 100–500 MW | Last change 1 Nov 2026 | MD-FRE-0002 |
| Developer and address: in the paid file | Frederick County | Under construction | 100–500 MW | Last change 1 Nov 2026 | MD-FRE-0003 |
| Developer and address: in the paid file | Calvert County | Land & zoning | 500–1,000 MWCampus total, counted once | Last change 1 Nov 2026 | MD-CAL-0001 |
| Developer and address: in the paid file | Montgomery County | Land & zoning | 100–500 MW | Last change 1 Nov 2026 | MD-MON-0003 |
| Developer and address: in the paid file | Calvert County | Announced | 500–1,000 MWCampus total, counted once | Last change 1 Nov 2026 | MD-CAL-0002 |
| Developer and address: in the paid file | Prince George's County | Announced | under 100 MW | Last change 1 Nov 2026 | MD-PRI-0001 |
| Developer and address: in the paid file | Calvert County | Withdrawn | 500–1,000 MWCampus total, counted once | Last change 1 Nov 2026 | MD-CAL-0003 |
| Developer and address: in the paid file | Charles County | Withdrawn | 1,000+ MW | Last change 1 Nov 2026 | MD-CHA-0001 |
21 more projects: names, developers and sources in the Maryland file →
FAQ
- How many data centers are under construction in Maryland?
- 4 of 26, as of 1 Nov 2026. 16 more operating.
- How much data center capacity is in Maryland's pipeline?
- 2.0+ GW in the pipeline (1.1 GW under construction, 890+ MW planned), and 561+ MW operating. These are floors: where no public source gives a MW value, the total uses Grounded Compute research (Q2 2026).
- Which Maryland county has the most data center projects?
- Anne Arundel County: 5 projects.
Cite this page
Source: Grounded Compute, Maryland data centers, 1 Nov 2026. https://groundedcompute.com/us/maryland
The Maryland file: every tracked project, with its sources
- Maryland file: every project named, with developer and address
- MW, and source links on status and permit fields
- Excel workbook + CSV, refreshed monthly
Data centers in other states
Nearby
- Virginia (721 projects, 86.2+ GW)
- Pennsylvania (57 projects, 12.7+ GW)
- Delaware (3 projects, 1,000+ MW)
- West Virginia (3 projects, 8.9 GW)
- District of Columbia (2 projects, under 100 MW)
Largest