SOUTH WRENTHAM
Substation-AdjacentNorfolk County, Massachusetts · ISO-NE
At a glance
SOUTH WRENTHAM is a substation-adjacent datacenter candidate site in Norfolk County, Massachusetts, scoring 59.3/100 DC Readiness — 39th of 73 scored sites in the county. Its nearest substation is SOUTH WRENTHAM (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 SOUTH WRENTHAM compare with other sites in Norfolk County?
SOUTH WRENTHAM ranks 39th of 73 scored candidate sites in Norfolk County. Its 59.3/100 is roughly in line with the county average of 58.5. It is roughly in line with the Massachusetts average of 54.2 and about 11% 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 SOUTH WRENTHAM to power, fiber and other datacenters?
The nearest mapped substation, SOUTH WRENTHAM, is about 0 miles away and operates at 115 kV. For connectivity, the nearest internet exchange facility is Crown Castle Providence (235 Promenade) at 14.4 miles. 11 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Crown Castle Providence (235 Promenade), 14.4 miles away.
What are the flood, water and hazard risks at SOUTH WRENTHAM?
At the county level, FEMA's National Risk Index rates Norfolk 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 Norfolk County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| HOLBROOK | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.7 |
| AUBURN STREET | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.5 |
| STOUGHTON | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.2 |
| WEST WALPOLE | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.1 |
| WEST MEDWAY | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.7 |
| UNKNOWN132928 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.7 |
| BERRY STREET | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.6 |
| UNKNOWN133458 | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 64.6 |
SOUTH WRENTHAM: common questions
What is the DC Readiness score of SOUTH WRENTHAM?
SOUTH WRENTHAM scores 59.3/100 on the GridCensus DC Readiness scale, rated good. It ranks 39th of 73 scored sites in Norfolk County. The Norfolk County average is 58.5 and the Massachusetts average is 54.2.
What is the nearest substation to SOUTH WRENTHAM?
The nearest mapped substation is SOUTH WRENTHAM, about 0 miles away, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves SOUTH WRENTHAM?
TOWN OF BRAINTREE - (MA) (municipal) holds the retail service territory that contains the site.
What grid region is SOUTH WRENTHAM in?
SOUTH WRENTHAM is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is SOUTH WRENTHAM from an internet exchange?
The nearest internet exchange facility is Crown Castle Providence (235 Promenade), about 14.4 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, “SOUTH WRENTHAM, Norfolk County, MA”, https://gridcensus.com/datacenter-sites/massachusetts/norfolk-county/south-wrentham-240fd2f0 (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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