SANFORD
SubstationMaine
At a glance
SANFORD is an electric transmission substation in Maine. It is classified as unclassified and connects 0 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership
No owner is recorded for the lines that connect here.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of SANFORD, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| SOUTH GORHAM | Substation-Adjacent | ME | Cumberland County | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| BUXTON | Substation-Adjacent | ME | Cumberland County | 345 kV | 600 MW | 4.3 yrs | 67.0 |
| UNKNOWN132760 | Substation-Adjacent | NH | Rockingham County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| NEWINGTON 345KV | Substation-Adjacent | NH | Rockingham County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| ELIOT | Substation-Adjacent | ME | Strafford County | 345 kV | 600 MW | 4.3 yrs | 65.3 |
| MAGUIRE ROAD | Substation-Adjacent | ME | York County | 345 kV | 600 MW | 4.3 yrs | 64.6 |
| OZ York | Greenfield | ME | York | — | — | 4.3 yrs | 62.0 |
| MOSHERS | Substation-Adjacent | ME | Cumberland County | 115 kV | 100 MW | 4.3 yrs | 61.6 |
How do candidate sites near SANFORD score?
The 8 highest-scoring candidate sites within about 25 miles range from 62 to 68 on the 0–100 DC Readiness scale. They fall in Cumberland County, Rockingham County, Strafford County, York County. The Maine average across 1,183 scored sites is 53.5. 134 of those Maine sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to SANFORD substation?
0 transmission lines terminate at or pass through SANFORD in the HIFLD line data.
Where is SANFORD substation located?
SANFORD is in Maine at 43.4590, -70.7806. The datacenter candidate sites closest to it are in Cumberland County, Rockingham County, Strafford County.
Are there datacenter candidate sites near SANFORD substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of SANFORD. The highest-scoring is SOUTH GORHAM at 68/100. Across Maine, the average DC Readiness score is 53.5.
More in Maine
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “SANFORD substation, Maine”, https://gridcensus.com/substations/maine/sanford-4fe95f7a (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for SANFORD substation, 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.