Brownfield Datacenter Sites in Maine
At a glance
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
Top brownfield sites in Maine
| Site | Type | County | Former use | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| Thornton Heights Common | Brownfield | Cumberland | brownfield | — | 0 MW | 4.3 yrs | 68.7 |
| Belfast Landfill | Brownfield | Waldo | landfill | — | 0 MW | 4.3 yrs | 61.7 |
| Red Shield Envir Old Town Facility | Brownfield | Hancock County | gas | — | 16 MW | 4.3 yrs | 60.8 |
| S D Warren Westbrook | Brownfield | Cumberland County | biomass | — | 10 MW | 4.3 yrs | 59.9 |
| Portland Landfill Solar | Brownfield | Cumberland | landfill | — | 1 MW | 4.3 yrs | 55.6 |
| Bates Mill Upper | Brownfield | Androscoggin County | hydro | — | 4 MW | 4.3 yrs | 53.8 |
| Bar Mills | Brownfield | York County | hydro | — | 4 MW | 4.3 yrs | 52.4 |
| Androscoggin 3 | Brownfield | Androscoggin County | hydro | — | 5 MW | 4.3 yrs | 51.2 |
How does Maine compare with other states for brownfield sites?
With 8 sites, Maine ranks 31st of the 49 states that have any brownfield candidate sites. California leads with 103. Nationally, brownfield sites average 57.5/100 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 brownfield sites in Maine?
The top 8 range from 68.7 to 51.2 on the 0–100 DC Readiness Score. They are concentrated in Cumberland (3) and Androscoggin County (2). By grid region, 8 are in ISO-NE.
County pages: Cumberland · Androscoggin County · Waldo · Hancock County
What power, fiber and flood exposure do these brownfield sites have?
Their counties have a median of 11 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 14 km. The median interconnection-queue wait in their markets is 4.3 years. 3 of the 8 with a mapped FEMA flood zone sit in a high-risk (A or V) zone.
Frequently asked questions
How many brownfield datacenter sites are in Maine?
GridCensus catalogs 8 brownfield datacenter candidate sites in Maine, 1% of the national total for this type (31st of 49 states).
What is a brownfield datacenter site?
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
What is the best brownfield datacenter site in Maine?
By DC Readiness Score, Thornton Heights Common in Cumberland ranks first at 68.7/100, followed by Belfast Landfill in Waldo at 61.7.
Which Maine counties have the best brownfield sites?
The top 8 brownfield sites in Maine are concentrated in Cumberland (3) and Androscoggin 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 brownfield sites and Maine
Brownfield sites in other states
- Brownfield sites in California· 103 sites
- Brownfield sites in New Jersey· 52 sites
- Brownfield sites in New York· 48 sites
- Brownfield sites in Massachusetts· 44 sites
- Brownfield sites in Iowa· 38 sites
- Brownfield sites in Illinois· 33 sites
- Brownfield sites in Texas· 30 sites
- Brownfield sites in Ohio· 29 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, “Brownfield datacenter sites in Maine”, https://gridcensus.com/site-types/brownfield/maine (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Brownfield 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.