MID WEYMOUTH
Substation-AdjacentSuffolk County, Massachusetts · ISO-NE
At a glance
MID WEYMOUTH is a substation-adjacent datacenter candidate site in Suffolk County, Massachusetts, scoring 60.7/100 DC Readiness — 26th of 206 scored sites in the county. Its nearest substation is MID WEYMOUTH (0 mi, 115 kV). It sits in the ISO-NE grid region and the TOWN OF BRAINTREE - (MA) service territory, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Site location
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How does MID WEYMOUTH compare with other sites in Suffolk County?
MID WEYMOUTH ranks 26th of 206 scored candidate sites in Suffolk County. Its 60.7/100 is roughly in line with the county average of 56.5. It is about 12% above the Massachusetts average of 54.2 and about 14% above the national average of 53.2.
Against the Massachusetts average, its strongest sub-score is power availability (56 vs 35) and its weakest is speed to power (47 vs 47). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is MID WEYMOUTH to power, fiber and other datacenters?
The nearest mapped substation, MID WEYMOUTH, is about 0 miles away and operates at 115 kV. For connectivity, the nearest internet exchange facility is ColoSpace - Rockland, MA at 3.7 miles. 11 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is ColoSpace - Rockland, MA, 3.7 miles away.
What are the flood, water and hazard risks at MID WEYMOUTH?
At the county level, FEMA's National Risk Index rates Suffolk County "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Suffolk County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MYSTIC | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 72.4 |
| K STREET | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 72.4 |
| KINGSTON STREET | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 68.2 |
| NORTH CAMBRIDGE | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 68.1 |
| WAKEFIELD JUNCTION | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.9 |
| GOLDEN HILLS | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.0 |
| HYDE PARK | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.9 |
| WOBURN | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.9 |
MID WEYMOUTH: common questions
What is the DC Readiness score of MID WEYMOUTH?
MID WEYMOUTH scores 60.7/100 on the GridCensus DC Readiness scale, rated good. It ranks 26th of 206 scored sites in Suffolk County. The Suffolk County average is 56.5 and the Massachusetts average is 54.2.
What is the nearest substation to MID WEYMOUTH?
The nearest mapped substation is MID WEYMOUTH, about 0 miles away, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves MID WEYMOUTH?
TOWN OF BRAINTREE - (MA) (municipal) holds the retail service territory that contains the site.
What grid region is MID WEYMOUTH in?
MID WEYMOUTH is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is MID WEYMOUTH from an internet exchange?
The nearest internet exchange facility is ColoSpace - Rockland, MA, about 3.7 miles away; 11 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, “MID WEYMOUTH, Suffolk County, MA”, https://gridcensus.com/datacenter-sites/massachusetts/suffolk-county/mid-weymouth-cc838503 (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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