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Gridcensus

NORTH MARLBORO

Substation-Adjacent

Middlesex, Massachusetts · ISO-NE

DC Readiness
59.9
Good / 100

NORTH MARLBORO is a substation-adjacent datacenter candidate site in Middlesex, Massachusetts, interconnecting through ISO-NE. It screens at 59.9/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 3.9 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationNORTH MARLBORO
Substation distance0.0 mi
Substation voltage115 kV
Available capacity100 MW
UtilityMASSACHUSETTS BAY TRANS AUTHORITYpolitical subdivision

Speed to power

Interconnection outlookModerate
≈ 3.9 yrs typical interconnection wait

Middle-of-the-pack interconnection conditions for this grid.

ISO / RTO regionISO-NE
Queue depth25
Avg queue wait3.9 yrs

Connectivity

Nearest IXP365 Data Centers Marlboro (MA1)
IXP distance1.0 mi
Fiber providers11
Fiber coverage91.9%

Site characteristics

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score78/100

Location context

Nearest datacenter365 Data Centers Marlboro (MA1)
DC distance1.0 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveNo
Commercial electricity17.00¢/kWh
Industrial electricity16.19¢/kWh
Cooling degree days600
Heating degree days5,900
Land price / acre$22,138

Regulatory climate

Moderatestate posture · as of 2026-08

No notable statewide DC restriction on record; confirm local zoning and utility tariffs.

DC tax incentiveNo / suspended

Site location

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≥ 7560–7540–60≤ 40
This site + 8 nearby

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Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
56
Speed to power20%
37
Fiber connectivity12%
98
Energy cost10%
50
Water risk7%
88
Natural hazard6%
78
Buildability7%
60
Labor market4%
50
DC cluster4%
100
Land / acreage3%
30
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
0
Climate / cooling1%
95

Nearby comparable sites

Other scored datacenter candidate sites in Middlesex, ranked by DC Readiness.

Sites near NORTH MARLBORO
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN133682Substation-Adjacent450 kV600 MW3.9 yrs66.3
TEWKSBURY NO. 22ASubstation-Adjacent345 kV600 MW3.9 yrs65.2
LEXINGTONSubstation-Adjacent345 kV600 MW3.9 yrs65.1
WALTHAMSubstation-Adjacent230 kV300 MW3.9 yrs64.3
Westford St. LandfillBrownfield—2 MW3.9 yrs63.5
Industri-plex SolarBrownfield345 kV4 MW3.9 yrs63.1
SUDBURYSubstation-Adjacent230 kV300 MW3.9 yrs62.7
UNKNOWN140692Substation-Adjacent115 kV100 MW3.9 yrs62.4

Dataset updated . Screening estimates derived from public data sources.

Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for NORTH MARLBORO, Middlesex. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.