Former Mine site at 41.775, -70.656
Former MinePlymouth County, Massachusetts · ISO-NE
At a glance
Former Mine site at 41.775, -70.656 is a former mine datacenter candidate site in Plymouth County, Massachusetts, scoring 51.0/100 DC Readiness — 110th of 114 scored sites in the county. 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.
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 Former Mine site at 41.775, -70.656 compare with other sites in Plymouth County?
Former Mine site at 41.775, -70.656 ranks 110th of 114 scored candidate sites in Plymouth County. Its 51.0/100 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 natural hazard (78 vs 76) and its weakest is fiber connectivity (70 vs 79). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Former Mine site at 41.775, -70.656 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is ColoSpace - Rockland, MA at 29.8 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is ColoSpace - Rockland, MA, 29.8 miles away.
What are the flood, water and hazard risks at Former Mine site at 41.775, -70.656?
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.
Nearby comparable sites
Other scored datacenter candidate sites in Plymouth County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| BRIDGEWATER | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.6 |
| CARVER | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 63.8 |
| UNKNOWN133429 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 63.6 |
| UNKNOWN133428 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 63.6 |
| UNKNOWN133427 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 63.4 |
| TAP135424 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 62.2 |
| UNKNOWN136262 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.3 |
| TAP136270 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.1 |
Former Mine site at 41.775, -70.656: common questions
What is the DC Readiness score of Former Mine site at 41.775, -70.656?
Former Mine site at 41.775, -70.656 scores 51.0/100 on the GridCensus DC Readiness scale, rated fair. It ranks 110th of 114 scored sites in Plymouth County. The Plymouth County average is 55.2 and the Massachusetts average is 54.2.
Which electric utility serves Former Mine site at 41.775, -70.656?
NSTAR ELECTRIC COMPANY (investor owned) holds the retail service territory that contains the site.
What grid region is Former Mine site at 41.775, -70.656 in?
Former Mine site at 41.775, -70.656 is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Former Mine site at 41.775, -70.656 from an internet exchange?
The nearest internet exchange facility is ColoSpace - Rockland, MA, about 29.8 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, “Former Mine site at 41.775, -70.656, Plymouth County, MA”, https://gridcensus.com/datacenter-sites/massachusetts/plymouth-county/mine-site-5ab0a7e6 (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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