Former Mine site at 43.323, -71.477
Former MineMerrimack County, New Hampshire · ISO-NE
At a glance
Former Mine site at 43.323, -71.477 is a former mine datacenter candidate site in Merrimack County, New Hampshire, scoring 53.1/100 DC Readiness — 30th of 57 scored sites in the county. It sits in the ISO-NE grid region and the PUBLIC SERVICE CO OF NH 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 43.323, -71.477 compare with other sites in Merrimack County?
Former Mine site at 43.323, -71.477 ranks 30th of 57 scored candidate sites in Merrimack County. Its 53.1/100 is roughly in line with the county average of 53.6. It is roughly in line with the New Hampshire average of 54.5 and roughly in line with the national average of 53.2.
Against the New Hampshire average, its strongest sub-score is natural hazard (85 vs 84) and its weakest is power availability (30 vs 35). 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 43.323, -71.477 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Consolidated - 770 Elm St. at 23.1 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Consolidated - 770 Elm St., 23.1 miles away.
What are the flood, water and hazard risks at Former Mine site at 43.323, -71.477?
At the county level, FEMA's National Risk Index rates Merrimack 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 Merrimack County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MERRIMACK | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 65.9 |
| UNKNOWN137070 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 61.3 |
| UNKNOWN137077 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.6 |
| Greenfield (MERRIMACK - TAP137063) | Greenfield | 230 kV | 300 MW | 4.3 yrs | 59.6 |
| UNKNOWN137078 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.6 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 55.5 |
| Concord Industrial Park Lot 1 | Industrial | — | — | 4.3 yrs | 55.2 |
| Automated Fueling Facility | Industrial | — | — | 4.3 yrs | 55.1 |
Former Mine site at 43.323, -71.477: common questions
What is the DC Readiness score of Former Mine site at 43.323, -71.477?
Former Mine site at 43.323, -71.477 scores 53.1/100 on the GridCensus DC Readiness scale, rated fair. It ranks 30th of 57 scored sites in Merrimack County. The Merrimack County average is 53.6 and the New Hampshire average is 54.5.
Which electric utility serves Former Mine site at 43.323, -71.477?
PUBLIC SERVICE CO OF NH (investor owned) holds the retail service territory that contains the site; its holding company is EVERSOURCE.
What grid region is Former Mine site at 43.323, -71.477 in?
Former Mine site at 43.323, -71.477 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 43.323, -71.477 from an internet exchange?
The nearest internet exchange facility is Consolidated - 770 Elm St., about 23.1 miles away; 10 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 43.323, -71.477, Merrimack County, NH”, https://gridcensus.com/datacenter-sites/new-hampshire/merrimack-county/mine-site-97e0bcb7 (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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