Substation-Adjacent Datacenter Sites in Maine
At a glance
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Top substation-adjacent sites in Maine
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| 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 |
| ORRINGTON | Substation-Adjacent | Hancock County | 345 kV | 600 MW | 4.3 yrs | 67.0 |
| BUXTON | Substation-Adjacent | Cumberland 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 |
| 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 |
| PRIDES CORNER | Substation-Adjacent | Cumberland County | 115 kV | 100 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 |
| UNKNOWN133403 | Substation-Adjacent | Waldo County | 115 kV | 100 MW | 4.3 yrs | 60.8 |
| UNKNOWN136751 | Substation-Adjacent | York County | 115 kV | 100 MW | 4.3 yrs | 60.6 |
| TAP162184 | Substation-Adjacent | Hancock County | 115 kV | 100 MW | 4.3 yrs | 60.4 |
| UNKNOWN133402 | Substation-Adjacent | Waldo County | 115 kV | 100 MW | 4.3 yrs | 60.2 |
How does Maine compare with other states for substation-adjacent sites?
With 134 sites, Maine ranks 44th of the 52 states that have any substation-adjacent candidate sites. Texas leads with 3,635. Nationally, substation-adjacent sites average 57.4/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Maine averages 53.5, the 29th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.3 years.
Where are the highest-scoring substation-adjacent sites in Maine?
The top 25 range from 67.6 to 60.2 on the 0–100 DC Readiness Score. They are concentrated in Cumberland County (11), Hancock County (3), York County (2) and Kennebec County (2). By grid region, 25 are in ISO-NE.
County pages: Cumberland County · Hancock County · York County · Kennebec County
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Maine, 25 have a recorded nearest-substation voltage, with a median of 345 kV; for 14 that substation is rated 230 kV or higher. Their counties have a median of 11 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 19 km. The median interconnection-queue wait in their markets is 4.3 years. None of the 5 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many substation-adjacent datacenter sites are in Maine?
GridCensus catalogs 134 substation-adjacent datacenter candidate sites in Maine, 0.3% of the national total for this type (44th of 52 states).
What is a substation-adjacent datacenter site?
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
What is the best substation-adjacent datacenter site in Maine?
By DC Readiness Score, RAVEN FARM in Cumberland County ranks first at 67.6/100, followed by SOUTH GORHAM in Cumberland County at 67.6.
Which Maine counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Maine are concentrated in Cumberland County (11), Hancock County (3), York County (2) and Kennebec County (2).
How does Maine score for datacenters overall?
All 1,183 scored sites in Maine average 53.5/100 DC Readiness, the 29th-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Maine
Substation-Adjacent sites in other states
- Substation-Adjacent sites in Texas· 3,635 sites
- Substation-Adjacent sites in California· 1,573 sites
- Substation-Adjacent sites in Florida· 1,539 sites
- Substation-Adjacent sites in Georgia· 1,530 sites
- Substation-Adjacent sites in Oklahoma· 1,344 sites
- Substation-Adjacent sites in Washington· 1,343 sites
- Substation-Adjacent sites in Minnesota· 1,270 sites
- Substation-Adjacent sites in Kentucky· 1,261 sites
Dataset updated . Screening estimates derived from public data sources.
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, “Substation-Adjacent datacenter sites in Maine”, https://gridcensus.com/site-types/substation/maine (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in 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.