Datacenter Sites in Coos County, New Hampshire
Coos County has 61 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
Coos County, New Hampshire has 61 scored datacenter candidate sites averaging 52.1/100 DC Readiness, roughly in line with the New Hampshire average of 54.5. It ranks 3rd of 10 New Hampshire counties by number of sites and 8th by average score. The top-scoring site is Substation-Adjacent site · 66f6c634 at 57.3/100.
Site-selection context for Coos County
How does Coos County compare with other counties in New Hampshire?
By number of scored sites, Coos County ranks 3rd of the 10 New Hampshire counties with a county page, holding 11% of the state's 539 sites. Its average DC Readiness of 52.1/100 ranks 8th in the state and is roughly in line with the national average of 53.0. Nationally it has the 610th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 7 score 55 or higher.
What types of datacenter sites are in Coos County?
Industrial sites are the most common (39, 64% of the county's inventory), followed by former mine (7) and substation-adjacent (7). 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 Coos County?
Industrial electricity averages 13.23¢/kWh and commercial 15.16¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (15). WRI water stress is low. 5 fiber providers report service in the county. The climate runs 400 cooling degree days a year with a mean temperature of 43°F. Land is valued around $4,071 an acre.
By site type
Top datacenter sites in Coos County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN132754 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.3 |
| UNKNOWN137038 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.3 |
| UNKNOWN132759 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.3 |
| TAP137033 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.1 |
| UNKNOWN137022 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.0 |
| UNKNOWN137036 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 57.0 |
| UNKNOWN137035 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 56.7 |
| OZ Coos | Greenfield | — | — | 4.3 yrs | 53.6 |
| OZ Coos | Greenfield | — | — | 4.3 yrs | 53.3 |
| OZ Coos | Greenfield | — | — | 4.3 yrs | 53.1 |
| OZ Coos | Greenfield | — | — | 4.3 yrs | 52.2 |
| OZ Coos | Greenfield | — | — | 4.3 yrs | 51.9 |
| BERLIN FCI | Federal Excess | — | — | 4.3 yrs | 51.5 |
| BERLIN FCI | Federal Excess | — | — | 4.3 yrs | 51.5 |
| Dummer Yard | Industrial | — | — | 4.3 yrs | 51.4 |
| Cote Block North | Industrial | — | — | 4.3 yrs | 51.4 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 51.4 |
| Berlin Courthouse | Industrial | — | — | 4.3 yrs | 51.4 |
| Groveton Paper Board Parcel B-2 | Industrial | — | — | 4.3 yrs | 51.4 |
| Wausau Paper Plant Parcel A-3 power house | Industrial | — | — | 4.3 yrs | 51.4 |
| Wausau Paper Plant (Parcel A-7) Main St properties | Industrial | — | — | 4.3 yrs | 51.4 |
| Wausau Paper Plant (Parcel A-1) hydroplant | Industrial | — | — | 4.3 yrs | 51.4 |
| Gilbert Street | Industrial | — | — | 4.3 yrs | 51.4 |
| Cote Block South | Industrial | — | — | 4.3 yrs | 51.4 |
| Wausau Paper Plant Parcel A-2 main mill | Industrial | — | — | 4.3 yrs | 51.4 |
Every scored site in Coos County
All 61 sites, best first.
- Substation-Adjacent site · 66f6c634 · 57.3
- Substation-Adjacent site · 8641ae06 · 57.3
- Substation-Adjacent site · 8676433b · 57.3
- Substation-Adjacent site · fa3e91c1 · 57.1
- Substation-Adjacent site · 817b5d92 · 57.0
- Substation-Adjacent site · e134b344 · 57.0
- Substation-Adjacent site · d81c6a47 · 56.7
- OZ Coos · 5b42bd2e · 53.6
- OZ Coos · dbab353f · 53.3
- OZ Coos · 446db699 · 53.1
- OZ Coos · 5714befb · 52.2
- OZ Coos · 8b54b8ac · 51.9
- BERLIN FCI · 81d59fe3 · 51.5
- BERLIN FCI · f3c52a5c · 51.5
- Wausau Paper Plant (Parcel A-4) train depot · 51.4
- Cote Block South · 51.4
- Former Frasier Paper Admin/Resource Bldgs · 51.4
- Groveton Paper Board Parcel B-2 · 51.4
- Mine Site · 7b815d85 · 51.4
- Groveton Paper Board Mill Parcel B-2 · 51.4
- Wausau Paper Plant Parcel A-2 main mill · 51.4
- Gilbert Street · 51.4
- Wausau Paper Plant (Parcel A-1) hydroplant · 51.4
- Wausau Paper Plant (Parcel A-7) Main St properties · 51.4
- Berlin Courthouse · 51.4
- Groveton Paper Board Mill Parcel B-3 · 51.4
- Brown Paper Company - R&D Building · 51.4
- Cote Block North · 51.4
- Wausau Paper Plant Parcel A-3 power house · 51.4
- 97 Main Street · 51.4
- Hodgdon Oil Storage · 51.4
- Wausau Paper Plant ParcelA-6 lagoons · 51.4
- Groveton Paper Board Mill (Parcel B-1) · 51.4
- Dube's Pittstop · 51.4
- Wausau Paper Plant Parcel A-2 100/3 · 51.4
- 102 Granite St. · 51.4
- Notre Dame High School/Burgess School · 51.4
- Wausau Paper Plant Parcel A-5 WWTP · 51.4
- Dummer Yard · 51.4
- Vic's Getty Station · 51.3
- Bartlett School · 51.3
- Mine Site · bd402b74 · 51.3
- Lavoie Property · 51.3
- 127 Main Street · 51.3
- St. Joseph School · 51.3
- News & Sentinel Building · 51.3
- Our Lady Grace Shrine · 51.3
- Spring Street Garage · 51.3
- Mine Site · 27c18289 · 51.3
- 174 Jericho Road · 51.3
- Beecher Estate Garage · 51.3
- Isaacson Steel Map 107 Lot 3 · 51.3
- Isaacson Steel Map 105 Lot 14 · 51.3
- Isaacson Steel Map 105 Lot 11 · 51.3
- 74 Maynesboro Street · 51.3
- Mine Site · 145300df · 51.3
- Mine Site · 2645718c · 51.3
- Mine Site · 7725f056 · 51.2
- Gensamer Residence · 51.2
- Mine Site · e5d85345 · 51.0
- BERLIN · 8c8e6a71 · 50.8
Coos County datacenter FAQ
How many datacenter sites are in Coos County?
61 scored datacenter candidate sites, averaging 52.1/100 DC Readiness. That is the 3rd-most of 10 New Hampshire counties with five or more sites.
What is the highest-scoring datacenter site in Coos County?
Substation-Adjacent site · 66f6c634 scores 57.3/100 DC Readiness, the highest of the 61 scored sites in Coos County (a substation-adjacent site).
Does Coos County offer datacenter tax incentives?
No datacenter-specific tax incentive is on record for Coos County in the GridCensus county dataset.
What is the natural-hazard risk in Coos County?
FEMA's National Risk Index rates Coos County as "Relatively Low" (score 15).
What are industrial electricity rates in Coos County?
Average industrial electricity is 13.23¢/kWh and commercial is 15.16¢/kWh in Coos County.
More in New Hampshire
- All datacenter sites in New Hampshire· 539 sites
- Operating datacenters in New Hampshire
- Electric substations in New Hampshire
- Hillsborough County· 134 sites · avg 57.5
- Rockingham County· 72 sites · avg 56.7
- Merrimack County· 57 sites · avg 53.6
- Cheshire County· 56 sites · avg 53.0
- Grafton County· 49 sites · avg 51.4
- Strafford County· 42 sites · avg 54.7
- Industrial sites in New Hampshire
- Former Mine sites in New Hampshire
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 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Coos County, New Hampshire”, https://gridcensus.com/datacenter-sites/new-hampshire/coos-county (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Coos County, New Hampshire 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.