Data Centers in Massachusetts
3 verified facilities · about 9 estimated ·
Massachusetts data centers at a glance
As of September 2026, Massachusetts has 3 data centers verified in OpenStreetMap and an estimated 9 in total. That ranks 39th among the 48 states and territories in the directory and is 0.2% of all verified US facilities. Facilities cluster in Andover (1) and Somerville (1). The largest operators by mapped sites are Markley Group (1) and TierPoint (1), out of 2 named operators. Malachi.Energy does not currently track a named mega project in Massachusetts; the tracked list covers announced campuses of roughly 100 MW and up where both planned capacity and investment are public.
Facility counts: OpenStreetMap contributors (ODbL), scaled to Baxtel data center market directory totals. Mega projects: Malachi.Energy tally of public filings and announcements. Method notes on the methodology page. See also Massachusetts electricity rates.
Verified
3
OSM-mapped facilities
Estimated
~9
Scaled to industry totals
Top hub
Andover
1 verified facilities
Mega projects
None
No tracked projects over 100 MW
Map of data centers in Massachusetts
County boundaries, every verified facility, and tracked mega projects sized by planned capacity. Downloads carry the source line and dataset date for citation.
Top operators in Massachusetts
By OSM-verified facility count
- 1.Markley Group1
- 2.TierPoint1
Key hubs in Massachusetts
Cities with the most verified facilities
- 1.Andover1
- 2.Somerville1
All verified data centers in Massachusetts
3 facilities mapped in OpenStreetMap, sorted by city. Unnamed entries are mapped buildings tagged as data centers without a public name.
| Name | Operator | City | Address |
|---|---|---|---|
| Unnamed facility | TierPoint | Andover | 15 Shattuck Road |
| CoreSite BO1 | Unknown | Somerville | 70 Inner Belt Road |
| Markley Data Center | Markley Group | Unknown | 2 Prince Avenue |
Frequently asked questions
How many data centers are in Massachusetts?
Massachusetts has 3 data centers verified in OpenStreetMap as of September 2026, and an estimated 9 in total once unmapped facilities are scaled in against Baxtel's industry count. That places it 39th of 48 states and territories by verified count.
Where are the data centers in Massachusetts?
The largest concentrations in Massachusetts are Andover with 1 verified facility and Somerville with 1 verified facility. The full table below lists every verified facility in the state with its operator and address.
Who operates the most data centers in Massachusetts?
By number of OSM-verified facilities, the largest data center operators in Massachusetts are Markley Group (1) and TierPoint (1). This ranks mapped sites, not megawatts, so a hyperscaler with many small buildings can outrank a colocation provider with one large campus.
What large data centers are being built in Massachusetts?
Malachi.Energy does not currently track a named mega project in Massachusetts; the tracked list covers announced campuses of roughly 100 MW and up where both planned capacity and investment are public. Smaller and unannounced facilities still appear in the verified directory above. Nationally, US data centers used about 192 TWh in 2024, 4.7% of US electricity.
Facility data sourced from OpenStreetMap contributors (ODbL). Estimated totals scaled to Baxtel industry counts. Mega project data from public filings and announcements. Dataset last updated . Built by Malachi.Energy.