CoreSite BO1

OperatingEst.UnclassifiedBuildingSomerville, Middlesex County, Massachusetts

CoreSite BO1 is an operating data center in Somerville, Massachusetts. Power capacity has not been disclosed or collected yet. Verification: unverified. 6 cited sources.

20% profile completeness

14 claims from 6 sources

Last verified against sources: Oct 12, 2026

Newest dated evidence: Oct 12, 2026

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Cite this

Text

Datacenter Source. “CoreSite BO1.” /facilities/coresite-bo1-somerville-ma. Data as of 2026-10-12. Accessed 2026-10-12.

BibTeX

@misc{datacentersource_coresite_bo1_somerville_ma_2026,
  title = {{CoreSite BO1}},
  author = {{Datacenter Source}},
  year = {2026},
  howpublished = {\url{/facilities/coresite-bo1-somerville-ma}},
  note = {Data as of 2026-10-12; accessed 2026-10-12. Compiled from cited sources, including OpenStreetMap contributors (ODbL) and Epoch AI (CC BY 4.0)},
}

Please also cite the original source of any specific figure (linked beside it).

Current facility power

Not yet sourced

Planned capacity

Not yet sourced

Building footprint

134,000 sq ft[1]

Est.Likelyderived

Buildings (planned)

Not yet sourced

Capital cost / investment

Not yet sourced

First operational

Not yet sourced

POWER & GRID

Time-to-power · verification · interconnection

Time to power

Operating (community-mapped, unverified)

Low confidence

Project verification

Unverified

Evidence is limited to community map.

Current stage

Operational

Furthest stage with documented evidence

Utility · ISO

Nstar Electric Company · ISO-NE

Substation: Unnamed substation (nearest, unverified)

Power reality

Announced

No record

Interconnection request

No record

Contracted / approved

No record

Under construction

No record

Operational

No record

AI evidence brief

Summarizes only the evidence on this page. Answers citing anything else are rejected automatically.

Project verification

Development

Announcedimplied by a later stage
Land acquiredimplied by a later stage
Planning / zoningimplied by a later stage
Permittingimplied by a later stage

Grid interconnection

Interconnection application
Feasibility study
System impact study
Facilities study
Interconnection agreement / service contract

Build & energization

Financing
Under constructionimplied by a later stage
Energizationimplied by a later stage
OperationalOct 12, 2026
Community map
- Oct 12, 2026 · Reported status: operating[1]

● documented · ◌ implied by a later stage · ○ no evidence found. Dates are those of the earliest dated evidence, which can be later than when a stage actually began. Evidence classes: Community map.

Grid path

facility
CoreSite BO1
→
substation
Unnamed substation[1]
Proximity onlyUnverified
Nearest mapped substation, 0.97 km away. Proximity does not establish that it serves the site.
→
transmission
345 kV line[1]
Proximity onlyUnverified
Highest-voltage line mapped within 2 km (1.86 km away). Not confirmed as the supply path.
→
utility
Nstar Electric Company[2]
Service territoryLikely
Retail service territory containing the site
→
ISO / RTO
ISO-NE[3]
Service territoryLikely
Balancing authority: ISNE

Substation capacity:: not published
Required upgrades:: not yet sourced
Congestion:: not yet sourced (no nodal price data)

Dashed boxes are based on proximity only and do not establish which asset serves the site.

Interconnection records

No interconnection-queue record is linked to this site. Of the ISOs we ingest, only NYISO publishes large-load requests; PJM, ERCOT, MISO, SPP and CAISO queues list generation only.

On-site & dedicated generation

Kendall Square Station (Natural Gas, 224 MW) is 1.5 km away[5]
EIA plant within 1.5 km; proximity does not establish that it supplies the facility
Natural gasCo-located224 MWConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.Unverified

LOCAL IMPACT

Water · generation · incentives · regulation · rates

Water & cooling

Not yet collected: we haven't found a source for water use or the cooling type at this site. Know one? Add a source

On-site generation & air permits2

Kendall Square Station (Natural Gas, 224 MW) is 1.5 km away224 MW[5]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.Natural gas · Co-located

Air permit MA0000002511903104[6]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.
Synthetic Minor Emissions · Permanently Closed · No Violation Identified · Programs: State Implementation Plan
ECHO lists “INTERNAP NETWORK SERVICES” at 70 INNERBELT RD, SOMERVILLE, 89 m from this facility's mapped location (matched by location; the permit name doesn't identify the operator).

Incentives

Not yet collected: we haven't found a source for tax abatements, PILOTs or other incentives for this project. Know one? Add a source

Regulatory events

Not yet collected: we haven't found a source for hearings, rezonings, permits or commission proceedings. Know one? Add a source

Utility & rates

Not yet collected: we haven't found a source for a large-load tariff or commission docket for Nstar Electric Company. Know one? Add a source

Location & imagery

Mapped outline

Coordinates: 42.37671, -71.07976
Address: 70 Inner Belt Road, Somerville, MA 02143[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Oct 12, 2026.Likely
County: Middlesex County
CLLI code: SOVLMAAB[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Oct 12, 2026.Likely

Photographs

No openly licensed ground-level photos matched to this site yet.

Ownership, operation & customers

1. Property owner of record
Not identified
2. Owner / developer
Not identified
3. Operator
Not identified
4. Tenant / cloud
Not identified
5. End customer / workload
Not identified

Power supply

Utility:

Nstar Electric Company(unreviewed)[2]Unverified

Each link is sourced separately. The property owner of record is often a special-purpose entity; the same company appearing in two roles is shown only when sources say so.

All parties with evidence

Utility: Nstar Electric Company(unreviewed)[2]Unverified
Most likely retail provider among 3 overlapping service territories (largest retail sales; territory polygons are approximate). Also overlapping: Fitchburg Gas & Elec Light CO, Massachusetts Bay Trans Authority.

No tenants or end users identified in our sources yet.

Power (all fields)

Current facility power: Not yet sourced
Planned capacity: Not yet sourced

Capacity figures are nameplate or contracted; annual consumption is a labeled model estimate, not metered data.

Grid & electricity

ISO / RTO: ISO-NE[3]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Likelyderived
Location falls inside this ISO/RTO footprint.
Balancing authority: ISNE[2]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Likelyderived
Control area of the containing utility territory.
Nearest mapped substation: Unnamed substation[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived
Nearest substation mapped in OpenStreetMap; proximity does not establish which substation serves the site.
Distance to substation: 1 km[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived
Highest-voltage line nearby: 345 kV[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived
Highest-voltage transmission line mapped within 2 km.
State avg. industrial price: 20.25¢/kWh[4]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Jul 2026.Confirmed
Massachusetts statewide average, July 2026.
State avg. commercial price: 24.41¢/kWh[4]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Jul 2026.Confirmed
Massachusetts statewide average, July 2026.
Generation within 50 km: 3.99 GW[5]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Jan 1, 202502.Confirmedderived
158 EIA-reported plants within 50 km.
Interconnection status: Not yet sourced
Contracted / committed power: Not yet sourced

Nearby infrastructure	Type	Distance	Voltage / capacity	Source
115 kV line · Eversource	Transmission line	1.53 km	115 kV	[1]
0.48 kV line · MassDOT	Transmission line	1.54 km	0.48 kV	[1]
345 kV line · Eversource	Transmission line	1.86 km	345 kV	[1]
Kendall Square Station · Kendall Green Energy, LLC	Power plant (Natural Gas)	1.5 km	224 MW	[5]
Fore River Generating Station · Calpine Fore River Energy Center, LLC	Power plant (Natural Gas)	17.6 km	724 MW	[5]
Salem Harbor Power Development LP · Salem Harbor Power Development LP	Power plant (Natural Gas)	23.4 km	675 MW	[5]
Exelon Medway LLC · Constellation Power, Inc	Power plant (Petroleum)	40 km	123 MW	[5]
Exelon West Medway II LLC · Constellation Power, Inc	Power plant (Natural Gas)	40.1 km	188 MW	[5]
Anp Bellingham Energy Project · Bellingham Power Generation LLC	Power plant (Natural Gas)	42.7 km	533 MW	[5]
Milford Power LP · Milford Power LLC	Power plant (Natural Gas)	44.9 km	205 MW	[5]
Bellingham Cogeneration Facility · Northeast Energy Associates LP	Power plant (Natural Gas)	45.9 km	264 MW	[5]
Unnamed substation	Substation	0.97 km	—	[1]
Prospect Street Substation · Eversource	Substation	1.28 km	115 kV	[1]
Unnamed substation	Substation	1.3 km	—	[1]
East Cambridge Substation · Eversource	Substation	1.54 km	115 kV	[1]
Hampshire Station · Eversource	Substation	1.54 km	4 kV	[1]
Unnamed substation	Substation	1.73 km	—	[1]

Utility, ISO and nearby assets are derived from the site's location. Proximity to a substation or line doesn't establish the interconnection; that needs a utility filing or interconnection-queue record. Queue requests are applications, not commitments — most never reach operation.

Construction & permitting

Announced
—
Land acquired
—
Permitting
—
Construction start
—
First operational
—
Expected completion
—

Real estate

Official assessments

Assessor's value for a tax year

None sourced yet

Recorded transactions

Sale prices from recorded deeds

None sourced yet

Model estimates

Our model — not an appraisal

None sourced yet

Annual property tax: Not yet sourced

No county parcel or assessor records linked yet. County records are currently ingested for Loudoun County, VA and Maricopa County, AZ.

Size

Building footprint: 134,000 sq ft[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Oct 12, 2026.Likelyderived
Computed from the mapped OSM building outline.
Floor area: Not yet sourced

What changed (last 3 years)

Follow this facility (RSS)

No tracked changes yet. Values are recorded on every data refresh, so changes will appear here over time.

Timeline

No dated events sourced yet.

All claims (provenance audit)

Field	Value	Source	Confidence	As of	Status
Name	CoreSite BO1way/29827954 name=CoreSite BO1	[1]	Likely	2026-10-12	Shown
Status	Operating	[1] derived	Unverified	2026-10-12	Shown
Address	70 Inner Belt Road, Somerville, MA 02143	[1]	Likely	2026-10-12	Shown
CLLI code	SOVLMAAB	[1]	Likely	2026-10-12	Shown
Utility	Nstar Electric Companyterritory 54913: NSTAR ELECTRIC COMPANY (INVESTOR OWNED, NSTAR ELECTRIC COMPANY)	[2] derived	Unverified	2022	Shown
ISO / RTO	ISO-NEISO NEW ENGLAND INC.	[3] derived	Likely	—	Shown
Balancing authority	ISNE	[2] derived	Likely	—	Shown
Nearest mapped substation	Unnamed substationway/160929158	[1] derived	Likely	2026-09-28	Shown
Distance to substation	1 km	[1] derived	Likely	2026-09-28	Shown
Highest-voltage line nearby	345 kV	[1] derived	Likely	2026-09-28	Shown
State avg. industrial price	20.25¢/kWh	[4]	Confirmed	2026-07	Shown
State avg. commercial price	24.41¢/kWh	[4]	Confirmed	2026-07	Shown
Generation within 50 km	3.99 GW	[5] derived	Confirmed	202502	Shown
Building footprint	134,000 sq ft	[1] derived	Likely	2026-10-12	Shown

Sources

[1]
OpenStreetMap — features tagged telecom=data_center or building=data_center
OpenStreetMap contributors · retrieved 2026-10-12 · ODbL 1.0
[2]
Electric Retail Service Territories (HIFLD, from EIA-861)
DHS HIFLD / U.S. EIA (via Esri Living Atlas) · retrieved 2026-09-28 · Public domain
[3]
Independent System Operators (HIFLD)
DHS HIFLD (via PNNL ArcGIS) · retrieved 2026-09-28 · Public domain
[4]
Electric Power Monthly, Table 5.6.A — Average price of electricity to ultimate customers by state (July 2026)
U.S. Energy Information Administration · retrieved 2026-10-12 · Public domain
[5]
Power Plants in the U.S. (EIA-860)
U.S. Energy Information Administration · retrieved 2026-10-12 · Public domain
[6]
ECHO air-program facilities, NAICS 518210 (data processing & hosting)
U.S. EPA Enforcement and Compliance History Online (ECHO) · retrieved 2026-10-12 · Public domain

Record links

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How to read this page

Every value is a claim from a cited source. When sources disagree, the most trustworthy claim is shown and the others are listed beneath it.

Confirmed primary source · Likely reputable secondary or modeled · Unverified inferred · Speculative weak evidence.

Evidence level: ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. filing, deed, permit or grid recordAnnouncedStated by the company or reported in the press; not yet backed by a filing or grid record. company or press claimEst.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. satellite, model or map inferenceHow levels are assigned

derived computed by our pipeline; estimated a model estimate, not a disclosed figure. Methodology →