Data Center Registry
Markley Group Boston (One Summer Street / BOSIX)
Boston, Suffolk County, Massachusetts · All 2 Markley Group sites
Markley Group Boston (One Summer Street / BOSIX) is an operating data center in Boston, Massachusetts (Suffolk County), operated by Markley Group. The public record puts it at 30 MW operating.
Every line on this page traces to a public source listed at the bottom. Where a figure was looked for and not found, the row says so. A blank is never a zero.
Facility record
Operating
- Operator
- Markley Group
- Facility type
- Data center
- Location
- Boston, Suffolk County, MA
- Coordinates
- 42.3545, -71.0595 (approximate)
- Power capacity
- 30 MW operating
- Land
- Not established from a public source
- Investment
- Not established from a public source
- Announced
- Not established from a public source
- Utility
- Not established from a public source
- Cooling
- Not established from a public source
- Water use
- Not established from a public source
- Jobs
- Not established from a public source
- Public subsidy
- Not established from a public source
- Community reception
- No reception on record
- Source confidence
- Confirmed by multiple independent sources or official documentation
Timeline from the record
Newest first. Record entries come from the filings and reports the registry cites. Coverage entries are headlines from publisher feeds we monitor daily, linked to the outlet; last checked September 14, 2026.
- 1999OperatingBuilt late 1990s Source: The Boston Globe
Opposition and litigation at this site
Nothing on record as of July 18, 2026. No lawsuit, organized opposition, or contested hearing over Markley Group Boston (One Summer Street / BOSIX) in Boston, Suffolk County, Massachusetts appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.
If you live near this site and something is happening that this page does not show, that is worth telling us. Send us the document and it goes in the record with the source attached. For sites where opposition is already established, see every contested site we track.
Notes on the record
Markley's original flagship facility (1 Summer St, atop former Macy's), 920,000 sq ft, largest commercial internet exchange point (BOSIX) in New England. Distinct facility from the separately-tracked Markley Lowell (One Lowell Data Center) site.
What the record does not establish, and the document that would
In every fight on our tracker the decisive fact came out of a public records request. These are the requests for this site.
- Cooling method and water use
- Tax abatements or other public subsidy
- Permanent jobs promised
- Land area
- How the community has received it
- Which utility serves it
Which document closes each gap
- Cooling method and water use
- The water service agreement, any groundwater appropriation permit, and the mechanical narrative in the site plan.
- Tax abatements or other public subsidy
- The abatement, PILOT, or development agreement approved by the county, city, or development authority, and the state's data center sales tax exemption certificate if one was issued.
- Permanent jobs promised
- The economic development application or incentive agreement, which usually states a job commitment and a clawback.
- Land area
- The rezoning application, the plat, or the deed recorded with the county.
- How the community has received it
- Planning commission and governing body minutes, public comment records, and any petition or lawsuit filed in the county.
- Which utility serves it
- The electric service agreement or the utility's filing with the state public utility commission.
Have one of these documents? Send it to us and we will add it to the record with attribution.
Other sites within 30 miles
Distances are between recorded coordinates, many of which are a city or county centroid, so treat them as approximate. Cumulative load on one utility and one aquifer is the question a planning commission rarely asks.
- CoreSite BO1 - Boston, MA · Somerville · CoreSite2 mi · Operating
- Digital Realty BOS14 · Needham · Digital Realty9 mi · Operating
- Markley Group One Lowell Data Center · Lowell · Markley Group23 mi · Operating · In litigation
- TierPoint Boston - Andover · Andover · TierPoint24 mi · Operating
- 365 Data Centers Marlborough (MA1) · Marlborough · 365 Data Centers27 mi · Operating · 2.8 MW
- Amazon Data Services Westborough · Westborough · Amazon Data Services27 mi · Proposed
Questions people ask about this site
Is there opposition to the Markley Group Boston (One Summer Street / BOSIX) data center in Boston?
Nothing on record as of July 18, 2026. No lawsuit, organized opposition, or contested hearing over Markley Group Boston (One Summer Street / BOSIX) in Boston, Suffolk County, Massachusetts appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.
Has anyone filed a lawsuit over the Markley Group Boston (One Summer Street / BOSIX) data center?
No lawsuit over Markley Group Boston (One Summer Street / BOSIX) appears in the record we track as of July 18, 2026. Residents most often reach a lawyer over water supply, well drawdown, noise from cooling plant, property value, or a rezoning approved without the notice the ordinance required. If any of that is happening near this site, it is worth a review whether or not a case has been filed yet.
How much water does Markley Group Boston (One Summer Street / BOSIX) use?
No water withdrawal figure for Markley Group Boston (One Summer Street / BOSIX) is on record here. Water use is rarely published voluntarily; it usually surfaces through a utility service agreement or a state withdrawal permit, both of which are public records. We leave the number blank rather than estimate one.
Who operates Markley Group Boston (One Summer Street / BOSIX), and how big is it?
Markley Group is the operator on record. We hold 2 sites for that company across the registry. Capacity on record is 30 MW.
How to cite this page
SueDataCenters.org Data Center Registry, "Markley Group Boston (One Summer Street / BOSIX)," updated July 18, 2026, https://suedatacenters.org/data-centers/markley-boston-summer-street-ma.
Facility data from Compute Atlas (E. Kubiak), version 1.32.0 (September 7, 2026), licensed CC BY 4.0, record https://www.compute-atlas.com/facilities/markley-boston-summer-street-ma, retrieved September 14, 2026.
Corrections with a public source are welcome at the Compute Atlas record or through our contact page. The whole registry is available as CSV and JSON under CC BY 4.0.
Sources for this record
As compiled and cited by Compute Atlas, with our own reporting appended. Archived links are used where the original has moved.
- 1.One Summer St, Boston · Data Center Map · retrieved July 17, 2026
- 2.Macy's closing stores in downtown Boston data center building · The Boston Globe · retrieved July 17, 2026
- 3.Data centers, AI, and Massachusetts pollution pushback · WBUR · retrieved July 17, 2026
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