Datacenter Sites in Maine
Maine has 1,183 scored datacenter candidate sites averaging 53.5/100 DC Readiness. Industrial parcels lead the inventory (718 sites). Most sites interconnect through ISO-NE. The state's candidate sites carry a catalogued aggregate of 23.6k MW and average a 4.3 yrs interconnection-queue wait.
At a glance
Maine has 1,183 scored datacenter candidate sites, the 39th-most of the 50 states, DC and Puerto Rico, averaging 53.5/100 DC Readiness against a national average of 53.0. Its average score ranks 29th among states. The state also has 4 operating datacenters and 4 internet exchange facilities on record.
How does Maine compare with other states for datacenter sites?
By number of scored candidate sites, Maine ranks 39th of the 50 states, DC and Puerto Rico (1,183 of 147,272 nationally, 0.8%). Its average DC Readiness of 53.5/100 ranks 29th and is roughly in line with the national average of 53.0. The average interconnection-queue wait at its sites, 4.3-year, is the 23rd-shortest of the group (national 4.2-year).
Across the five headline sub-scores, Maine is strongest relative to the nation on water (95.7 vs 72.3 nationally) and weakest on power availability (33.2 vs 37.4). Power and speed to power carry 20% of the score each, fiber 12%, water 7% and hazard 6%.
Which counties in Maine have the most datacenter sites?
Cumberland County (154 sites, average 56.6), Penobscot (151 sites, average 54.8), and York County (125 sites, average 53.5) hold the largest inventories. Together the top 3 account for 36% of the state's scored sites. 16 counties have five or more scored sites and their own county page.
What kinds of sites and grid regions are in Maine?
Industrial parcels are the largest category (718, 61%), followed by former mine (192) and substation-adjacent (134). Every scored site sits in the ISO-NE region.
By site type
By grid region
- ISO-NE1,183
Average sub-score profile
How Maine's candidate sites score on each DC Readiness dimension (0–100 average).
Top 25 datacenter sites in Maine
Ranked by DC Readiness.
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| Thornton Heights Common | Brownfield | Cumberland | — | 0 MW | 4.3 yrs | 68.7 |
| RAVEN FARM | Substation-Adjacent | Cumberland County | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| SOUTH GORHAM | Substation-Adjacent | Cumberland County | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| UNKNOWN133406 | Substation-Adjacent | Cumberland County | 345 kV | 600 MW | 4.3 yrs | 67.4 |
| BUXTON | Substation-Adjacent | Cumberland County | 345 kV | 600 MW | 4.3 yrs | 67.0 |
| ORRINGTON | Substation-Adjacent | Hancock County | 345 kV | 600 MW | 4.3 yrs | 67.0 |
| SURROWIEC | Substation-Adjacent | Cumberland County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| MASON | Substation-Adjacent | Lincoln County | 345 kV | 600 MW | 4.3 yrs | 65.7 |
| MAINE YANKEE | Substation-Adjacent | Sagadahoc County | 345 kV | 600 MW | 4.3 yrs | 65.7 |
| ELIOT | Substation-Adjacent | Strafford County | 345 kV | 600 MW | 4.3 yrs | 65.3 |
| MAGUIRE ROAD | Substation-Adjacent | York County | 345 kV | 600 MW | 4.3 yrs | 64.6 |
| LARRABEE ROAD | Substation-Adjacent | Androscoggin County | 345 kV | 600 MW | 4.3 yrs | 64.5 |
| CHESTER STATIC VAR COMPENSATOR | Substation-Adjacent | Penobscot County | 345 kV | 600 MW | 4.3 yrs | 63.8 |
| ALBION ROAD | Substation-Adjacent | Kennebec County | 345 kV | 600 MW | 4.3 yrs | 63.3 |
| SEWALL | Substation-Adjacent | Cumberland County | 115 kV | 100 MW | 4.3 yrs | 63.0 |
| COOPERS MILLS | Substation-Adjacent | Kennebec County | 345 kV | 600 MW | 4.3 yrs | 62.8 |
| OZ York | Greenfield | York | — | — | 4.3 yrs | 62.0 |
| SPRING STREET | Substation-Adjacent | Cumberland County | 115 kV | 100 MW | 4.3 yrs | 61.9 |
| WESTBROOK | Substation-Adjacent | Cumberland County | 115 kV | 100 MW | 4.3 yrs | 61.8 |
| EC Near Red Shield Envir Old Town Facility | Greenfield | Penobscot | — | — | 4.3 yrs | 61.8 |
| PRIDES CORNER | Substation-Adjacent | Cumberland County | 115 kV | 100 MW | 4.3 yrs | 61.7 |
| Belfast Landfill | Brownfield | Waldo | — | 0 MW | 4.3 yrs | 61.7 |
| MOSHERS | Substation-Adjacent | Cumberland County | 115 kV | 100 MW | 4.3 yrs | 61.6 |
| GRAHAM | Substation-Adjacent | Hancock County | 115 kV | 100 MW | 4.3 yrs | 61.5 |
| TAP136748 | Substation-Adjacent | Cumberland County | 115 kV | 100 MW | 4.3 yrs | 61.4 |
Counties in Maine
16 counties with five or more scored sites.
Operating datacenters in Maine
4 operating datacenter facilities in Maine are on record, the 47th-most of any state. Brunswick has the largest cluster (1 facilities). The operators with the most facilities here are FirstLight (2), University of Maine System (1). Footprints are recorded for 1 of them, totalling about 0.1 million square feet.
Brunswick (1)
- Oxford Networks · FirstLight
Orono (1)
- University of Maine - Neville Telecom Colo · University of Maine System
Portland (1)
- FirstLight Data Center · FirstLight
City not recorded (1)
Internet exchange and peering facilities in Maine
4 peering and colocation facilities in Maine are listed in PeeringDB. Portland has the most (3). The best-connected facility hosts 7 networks; the median facility in the state hosts 4 networks.
Portland (3)
- CENTRA PWM1 - Portland, Maine (340 Cumberland) · 7 networks
- FirstLight Regen Hut · 5 networks
- Consolidated - 45 Forest Ave. · 1 networks
Orono (1)
- University of Maine - Neville Telecom Colo · 3 networks
Maine datacenter site selection FAQ
How many datacenter sites are in Maine?
GridCensus catalogs 1,183 scored datacenter candidate sites in Maine, with an average DC Readiness score of 53.5/100. That is the 39th-largest inventory of the 50 states, DC and Puerto Rico.
How many operating datacenters are in Maine?
4 operating datacenter facilities in Maine are on record, the 47th-most of any state. Brunswick has the most (1). FirstLight operates the most facilities in the state (2).
What is the average interconnection-queue wait in Maine?
Candidate sites in Maine average a 4.3-year interconnection-queue wait, with an average queue depth of 12 projects. The national average across all scored sites is 4.2-year, and Maine has the 23rd-shortest average wait of the 50 states, DC and Puerto Rico.
Which county in Maine has the most datacenter sites?
Cumberland County has the most scored candidate sites in Maine (154), followed by Penobscot (151) and York County (125). Among counties with at least 10 sites, Cumberland County has the highest average DC Readiness (56.6/100).
What kind of datacenter sites are most common in Maine?
Industrial sites are the most common category in Maine (718 sites, 61% of the inventory), and most sites fall within the ISO-NE grid region.
How many internet exchange facilities are in Maine?
4 peering and colocation facilities listed in PeeringDB are in Maine. Portland has the most (3). The best-connected one hosts 7 networks.
Looking for a specific record? The directory lists every scored datacenter site in Maine, A to Z.
More Maine infrastructure
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 November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Maine”, https://gridcensus.com/datacenter-sites/maine (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Maine is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.