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Gridcensus

Plymouth County, Massachusetts · ISO-NE

DC Readiness
57.4
Good / 100

At a glance

TREMONT is a substation-adjacent datacenter candidate site in Plymouth County, Massachusetts, scoring 57.4/100 DC Readiness — 29th of 114 scored sites in the county. Its nearest substation is TREMONT (0 mi, 115 kV). It sits in the ISO-NE grid region and the NSTAR ELECTRIC COMPANY service territory, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.

Power & interconnection

Nearest substationTREMONT
Substation distance0.0 mi
Substation voltage115 kV
Available capacity100 MW
UtilityNSTAR ELECTRIC COMPANYinvestor ownedmoderate to large load · terms ≥ 50 MW

Speed to power

Interconnection outlookModerate
≈ 4.9 yrs typical interconnection wait

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

ISO / RTO regionISO-NE
Queue depth25
Avg queue wait4.3 yrs
Recent queue wait4.9 yrs
Completion rate25%
Withdrawal rate75%

Connectivity

Nearest IXPColoSpace - Rockland, MA
IXP distance26.1 mi
Fiber providers5
Fiber coverage71.5%

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 datacenterColoSpace - Rockland, MA
DC distance26.1 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveNo
Commercial electricity17.10¢/kWh
Industrial electricity16.37¢/kWh
Cooling degree days600
Heating degree days5,900
Land price / acre$14,377

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

◆ Loading map…
≥ 7560–7540–60≤ 40
This site + 8 nearby

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How does TREMONT compare with other sites in Plymouth County?

TREMONT ranks 29th of 114 scored candidate sites in Plymouth County. Its 57.4/100 is roughly in line with the county average of 55.2. It is roughly in line with the Massachusetts average of 54.2 and roughly in line with the national average of 53.2.

Against the Massachusetts average, its strongest sub-score is power availability (56 vs 35) and its weakest is fiber connectivity (74 vs 79). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.

How close is TREMONT to power, fiber and other datacenters?

The nearest mapped substation, TREMONT, is about 0 miles away and operates at 115 kV. For connectivity, the nearest internet exchange facility is ColoSpace - Rockland, MA at 26.1 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is ColoSpace - Rockland, MA, 26.1 miles away.

What are the flood, water and hazard risks at TREMONT?

At the county level, FEMA's National Risk Index rates Plymouth County "Relatively Low".

Full DC Readiness breakdown

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

Power availability20%
56
Speed to power20%
47
Fiber connectivity12%
74
Energy cost10%
50
Water risk7%
88
Natural hazard6%
78
Buildability7%
60
Labor market4%
50
DC cluster4%
60
Land / acreage3%
30
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
0
Climate / cooling1%
95

Nearby comparable sites

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

Sites near TREMONT
SiteTypeVoltageCapacityQueue waitScore
BRIDGEWATERSubstation-Adjacent345 kV600 MW4.3 yrs65.6
CARVERSubstation-Adjacent345 kV600 MW4.3 yrs63.8
UNKNOWN133429Substation-Adjacent345 kV600 MW4.3 yrs63.6
UNKNOWN133428Substation-Adjacent345 kV600 MW4.3 yrs63.6
UNKNOWN133427Substation-Adjacent345 kV600 MW4.3 yrs63.4
TAP135424Substation-Adjacent345 kV600 MW4.3 yrs62.2
UNKNOWN136262Substation-Adjacent115 kV100 MW4.3 yrs60.3
TAP136270Substation-Adjacent115 kV100 MW4.3 yrs60.1

TREMONT: common questions

What is the DC Readiness score of TREMONT?

TREMONT scores 57.4/100 on the GridCensus DC Readiness scale, rated good. It ranks 29th of 114 scored sites in Plymouth County. The Plymouth County average is 55.2 and the Massachusetts average is 54.2.

What is the nearest substation to TREMONT?

The nearest mapped substation is TREMONT, about 0 miles away, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.

Which electric utility serves TREMONT?

NSTAR ELECTRIC COMPANY (investor owned) holds the retail service territory that contains the site.

What grid region is TREMONT in?

TREMONT is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.

How far is TREMONT from an internet exchange?

The nearest internet exchange facility is ColoSpace - Rockland, MA, about 26.1 miles away; 5 fiber providers report service at the location.

Related pages

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “TREMONT, Plymouth County, MA”, https://gridcensus.com/datacenter-sites/massachusetts/plymouth-county/tremont-e62f172c (data as of October 10, 2026).

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.

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Every site and score for TREMONT, Plymouth County is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.