North Dam Mill
IndustrialYork County, Maine · ISO-NE
At a glance
North Dam Mill is an industrial datacenter candidate site in York County, Maine, scoring 54.5/100 DC Readiness — 17th of 125 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 North Dam Mill compare with other sites in York County?
North Dam Mill ranks 17th of 125 scored candidate sites in York County. Its 54.5/100 is roughly in line with the county average of 53.5. 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 (79 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 North Dam Mill to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is FirstLight Regen Hut at 13.7 miles. 9 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is FirstLight Data Center, 14.8 miles away.
What are the flood, water and hazard risks at North Dam Mill?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates York 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 York County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MAGUIRE ROAD | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 64.6 |
| OZ York | Greenfield | — | — | 4.3 yrs | 62.0 |
| UNKNOWN136751 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.6 |
| LOUDEN | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.2 |
| BIDDEFORD IP | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.4 |
| TAP136665 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.3 |
| Greenfield (BUXTON - SCOBIE POND 345KV) | Greenfield | 345 kV | 600 MW | 4.3 yrs | 59.0 |
| Greenfield (MAGUIRE ROAD - ELIOT) | Greenfield | 345 kV | 600 MW | 4.3 yrs | 58.6 |
North Dam Mill: common questions
What is the DC Readiness score of North Dam Mill?
North Dam Mill scores 54.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 17th of 125 scored sites in York County. The York County average is 53.5 and the Maine average is 53.5.
Which electric utility serves North Dam Mill?
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 North Dam Mill in?
North Dam Mill is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is North Dam Mill in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is North Dam Mill from an internet exchange?
The nearest internet exchange facility is FirstLight Regen Hut, about 13.7 miles away; 9 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, “North Dam Mill, York County, ME”, https://gridcensus.com/datacenter-sites/maine/york-county/north-dam-mill-17e3006a (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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