Massachusetts · data as of 1 Nov 2026
Massachusetts: 143 MW of existing data centers. 72 MW in the pipeline.
22 projects tracked from county filings, state records and news. Status and permit facts link to their sources.
We haven't yet searched Massachusetts for data center projects beyond the ones we track here.
Projects by stage
| Stage | Projects | MW |
|---|---|---|
| Land & zoning | 3 projects | 72 MW |
| Operating | 19 projects | 143 MW |
| Total | 22 projects | 215 MW |
+ = at least. MW includes Grounded Compute research (Q2 2026) where no public source gives a value.
Where the pipeline is
Counties shaded by MW
22 of 22 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- Withdrawn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
Moratoriums
As of 31 Oct 2026, we count at least 5 local data center pauses in force in Massachusetts, 3 bans and 15 proposals, across its counties, cities and townships. At state level, a bill or proposal is pending.
Massachusetts moratorium tracker: every row with its sourceCounties with a project (5)
Counties with 3 or more projects have their own page
| County | Projects | Operating | Under construction | Planned |
|---|---|---|---|---|
| Middlesex County | 12 | 103 MW | None | None |
| Worcester County | 5 | under 100 MW | None | 72 MW |
| Essex County | 2 | under 100 MW | None | None |
| Suffolk County | 2 | under 100 MW | None | None |
| Norfolk County | 1 | under 100 MW | None | None |
| 5 counties | 22 | Calculated | ||
Projects
5 projects named free · 17 more in the Massachusetts file
| Developer · address | County | Stage | MW range | Dates | ID |
|---|---|---|---|---|---|
| TierPoint · 15 Shattuck Road, Andover | Essex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-ESS-0001 |
| NaviSite · 400 Minuteman Road, Andover | Essex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-ESS-0002 |
| Digital Realty · 55 Middlesex Turnpike, Bedford | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0001 |
| Csquare · 580 Winter Street, Waltham | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0002 |
| Csquare · 115 Second Avenue, Waltham | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0003 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0004 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0005 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0006 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0007 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0008 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0009 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0010 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0011 |
| Developer and address: in the paid file | Middlesex County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-MID-0012 |
| Developer and address: in the paid file | Norfolk County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-NOR-0001 |
| Developer and address: in the paid file | Suffolk County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-SUF-0001 |
| Developer and address: in the paid file | Suffolk County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-SUF-0002 |
| Developer and address: in the paid file | Worcester County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-WOR-0001 |
| Developer and address: in the paid file | Worcester County | Operating | under 100 MW | First recorded 25 Oct 2026 | MA-WOR-0002 |
| Developer and address: in the paid file | Worcester County | Land & zoning | under 100 MW | Last change 1 Nov 2026 | MA-WOR-0003 |
| Developer and address: in the paid file | Worcester County | Land & zoning | under 100 MW | Last change 1 Nov 2026 | MA-WOR-0004 |
| Developer and address: in the paid file | Worcester County | Land & zoning | under 100 MW | Last change 1 Nov 2026 | MA-WOR-0005 |
17 more projects: names, developers and sources in the Massachusetts file →
FAQ
- How many data centers are under construction in Massachusetts?
- No projects under construction, with 19 projects totaling 143 MW operating today.
- How much data center capacity is in Massachusetts's pipeline?
- 72 MW in the pipeline (None under construction, 72 MW planned), and 143 MW operating.
- Which Massachusetts county has the most data center projects?
- Middlesex County: 12 projects.
Cite this page
Source: Grounded Compute, Massachusetts data centers, 1 Nov 2026. https://groundedcompute.com/us/massachusetts
The Massachusetts file: every tracked project, with its sources
Our moratorium tracker and market tracker are free. Project-level information is an annual subscription.
- Massachusetts file: every project named, with developer and address
- MW, and source links on status and permit fields
- Excel workbook + CSV, refreshed monthly
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