Datacenter Sites in Knox County, Maine
Knox County has 42 scored datacenter candidate sites averaging 52.1/100 DC Readiness, with a catalogued aggregate of 700 MW. FEMA rates local natural-hazard risk as "Relatively Low".
At a glance
Knox County, Maine has 42 scored datacenter candidate sites averaging 52.1/100 DC Readiness, roughly in line with the Maine average of 53.5. It ranks 12th of 16 Maine counties by number of sites and 12th by average score. The top-scoring site is PARK STREET at 57.4/100.
Site-selection context for Knox County
How does Knox County compare with other counties in Maine?
By number of scored sites, Knox County ranks 12th of the 16 Maine counties with a county page, holding 3.6% of the state's 1,183 sites. Its average DC Readiness of 52.1/100 ranks 12th in the state and is roughly in line with the national average of 53.0. Nationally it has the 913th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 6 score 55 or higher.
What types of datacenter sites are in Knox County?
Industrial sites are the most common (24, 57% of the county's inventory), followed by former mine (11) and substation-adjacent (6). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Knox County?
Industrial electricity averages 12.34¢/kWh and commercial 13.95¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (15). WRI water stress is low. 12 fiber providers report service in the county. The climate runs 300 cooling degree days a year with a mean temperature of 42°F. Land is valued around $5,875 an acre.
By site type
Top datacenter sites in Knox County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| PARK STREET | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.4 |
| DRAGON CEMENT | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.4 |
| HIGHLAND | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.3 |
| MEADOW ROAD | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.3 |
| TAP136787 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.3 |
| TAP136785 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.0 |
| Friendship Plumbing and Heating | Industrial | — | — | 4.3 yrs | 51.7 |
| Navigator Motor Inn | Industrial | — | — | 4.3 yrs | 51.5 |
| McDougal School | Industrial | — | — | 4.3 yrs | 51.5 |
| Former Crowe Rope Industries, LLC | Industrial | — | — | 4.3 yrs | 51.5 |
| 19 Rockland Street | Industrial | — | — | 4.3 yrs | 51.5 |
| Rockland Waterfront | Industrial | — | — | 4.3 yrs | 51.5 |
| 25 Maverick St Apartment Building | Industrial | — | — | 4.3 yrs | 51.5 |
| Garden Island Cleaners | Industrial | — | — | 4.3 yrs | 51.5 |
| 170 Pleasant Street | Industrial | — | — | 4.3 yrs | 51.5 |
| Vacant Lot at 8 Lime Street | Industrial | — | — | 4.3 yrs | 51.5 |
| McLain School | Industrial | — | — | 4.3 yrs | 51.5 |
| Redlon & Johnson Distribution Facility | Industrial | — | — | 4.3 yrs | 51.5 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 51.5 |
| James Street Residence | Industrial | — | — | 4.3 yrs | 51.5 |
| Former Bicknell Manufacturing Company | Industrial | — | — | 4.3 yrs | 51.5 |
| Rockland Public Works | Industrial | — | — | 4.3 yrs | 51.5 |
| 266 Main Street | Industrial | — | — | 4.3 yrs | 51.5 |
| Rockland Antique Marketplace | Industrial | — | — | 4.3 yrs | 51.5 |
| Beggar's Wharf | Industrial | — | — | 4.3 yrs | 51.5 |
Every scored site in Knox County
All 42 sites, best first.
- PARK STREET · 57.4
- DRAGON CEMENT · 57.4
- HIGHLAND · 57.3
- MEADOW ROAD · 57.3
- Substation-Adjacent site · 19110b05 · 57.3
- Substation-Adjacent site · d2574cfd · 57.0
- Friendship Plumbing and Heating · 51.7
- Navigator Motor Inn · 51.5
- McDougal School · 51.5
- Former Crowe Rope Industries, LLC · 51.5
- 19 Rockland Street · 51.5
- Rockland Waterfront · 51.5
- 25 Maverick St Apartment Building · 51.5
- Garden Island Cleaners · 51.5
- 170 Pleasant Street · 51.5
- Vacant Lot at 8 Lime Street · 51.5
- McLain School · 51.5
- Redlon & Johnson Distribution Facility · 51.5
- Mine Site · 3e23b52a · 51.5
- James Street Residence · 51.5
- Former Bicknell Manufacturing Company · 51.5
- Rockland Public Works · 51.5
- 266 Main Street · 51.5
- Rockland Antique Marketplace · 51.5
- Beggar's Wharf · 51.5
- Shafter's Junkyard · 51.5
- Smith Farm · 51.5
- Rockland City Hall · 51.5
- Mine Site · 039797b3 · 51.4
- Mine Site · 145dc5b8 · 51.4
- Mine Site · ae14ad08 · 51.4
- Apollo Tannery · 51.4
- Mine Site · 3c8c8d51 · 51.3
- Mine Site · 07fb5201 · 50.8
- Mine Site · 3e33569e · 50.7
- Mine Site · dc56fca8 · 50.7
- Greenfield (TAP136785 - LINCOLNVILLE) · 50.7
- Mine Site · 4037735c · 50.6
- Mine Site · 358f3e93 · 50.6
- Fish Plant Property · 50.3
- Mine Site · f8fb0d7b · 50.3
- Isle Au Haut Electric Power Company · 49.5
Knox County datacenter FAQ
How many datacenter sites are in Knox County?
42 scored datacenter candidate sites, averaging 52.1/100 DC Readiness. That is the 12th-most of 16 Maine counties with five or more sites.
What is the highest-scoring datacenter site in Knox County?
PARK STREET scores 57.4/100 DC Readiness, the highest of the 42 scored sites in Knox County (a substation-adjacent site).
Does Knox County offer datacenter tax incentives?
No datacenter-specific tax incentive is on record for Knox County in the GridCensus county dataset.
What is the natural-hazard risk in Knox County?
FEMA's National Risk Index rates Knox County as "Relatively Low" (score 15).
What are industrial electricity rates in Knox County?
Average industrial electricity is 12.34¢/kWh and commercial is 13.95¢/kWh in Knox County.
More in Maine
- All datacenter sites in Maine· 1,183 sites
- Operating datacenters in Maine
- Electric substations in Maine
- Cumberland County· 154 sites · avg 56.6
- Penobscot· 151 sites · avg 54.8
- York County· 125 sites · avg 53.5
- Aroostook County· 95 sites · avg 52.9
- Androscoggin County· 90 sites · avg 53.3
- Kennebec County· 88 sites · avg 53.1
- Industrial sites in Maine
- Former Mine sites in Maine
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 Knox County, Maine”, https://gridcensus.com/datacenter-sites/maine/knox-county (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 Knox County, 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.