Former Mine site at 43.887, -70.331
Former MineCumberland County, Maine · ISO-NE
At a glance
Former Mine site at 43.887, -70.331 is a former mine datacenter candidate site in Cumberland County, Maine, scoring 53.6/100 DC Readiness — 138th of 154 scored sites in the county. It sits in the ISO-NE grid region and the CENTRAL MAINE POWER CO 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 43.887, -70.331 compare with other sites in Cumberland County?
Former Mine site at 43.887, -70.331 ranks 138th of 154 scored candidate sites in Cumberland County. Its 53.6/100 is roughly in line with the county average of 56.6. It is roughly in line with the Maine average of 53.5 and roughly in line with the national average of 53.2.
Against the Maine average, its strongest sub-score is fiber connectivity (78 vs 71) and its weakest is power availability (30 vs 33). 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 43.887, -70.331 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is FirstLight Regen Hut at 15.9 miles. 12 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is FirstLight Data Center, 16.2 miles away.
What are the flood, water and hazard risks at Former Mine site at 43.887, -70.331?
At the county level, FEMA's National Risk Index rates Cumberland 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 Cumberland County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Thornton Heights Common | Brownfield | — | 0 MW | 4.3 yrs | 68.7 |
| RAVEN FARM | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| SOUTH GORHAM | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| UNKNOWN133406 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.4 |
| BUXTON | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.0 |
| SURROWIEC | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| SEWALL | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 63.0 |
| SPRING STREET | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 61.9 |
Former Mine site at 43.887, -70.331: common questions
What is the DC Readiness score of Former Mine site at 43.887, -70.331?
Former Mine site at 43.887, -70.331 scores 53.6/100 on the GridCensus DC Readiness scale, rated fair. It ranks 138th of 154 scored sites in Cumberland County. The Cumberland County average is 56.6 and the Maine average is 53.5.
Which electric utility serves Former Mine site at 43.887, -70.331?
CENTRAL MAINE POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is IBERDROLA USA INC.
What grid region is Former Mine site at 43.887, -70.331 in?
Former Mine site at 43.887, -70.331 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 43.887, -70.331 from an internet exchange?
The nearest internet exchange facility is FirstLight Regen Hut, about 15.9 miles away; 12 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 43.887, -70.331, Cumberland County, ME”, https://gridcensus.com/datacenter-sites/maine/cumberland-county/mine-site-73fdad2b (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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