Rochester
IndustrialStrafford County, New Hampshire · ISO-NE
At a glance
Rochester is an industrial datacenter candidate site in Strafford County, New Hampshire, scoring 53.7/100 DC Readiness — 19th of 42 scored sites in the county. It sits in the ISO-NE grid region and the PUBLIC SERVICE CO OF NH service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Site location
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How does Rochester compare with other sites in Strafford County?
Rochester ranks 19th of 42 scored candidate sites in Strafford County. Its 53.7/100 is roughly in line with the county average of 54.7. It is roughly in line with the New Hampshire average of 54.5 and roughly in line with the national average of 53.2.
Against the New Hampshire average, its strongest sub-score is natural hazard (85 vs 84) and its weakest is power availability (30 vs 35). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Rochester to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Consolidated - 770 Elm St. at 32.8 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is University of New Hampshire DC, 11.3 miles away.
What are the flood, water and hazard risks at Rochester?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates Strafford County "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Strafford County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| ELIOT | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.3 |
| MADBURY | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.6 |
| DOVER | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.7 |
| UNKNOWN136925 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.6 |
| OZ Strafford | Greenfield | — | — | 4.3 yrs | 59.4 |
| UNKNOWN136930 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 58.9 |
| OZ Strafford | Greenfield | — | — | 4.3 yrs | 57.3 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 54.7 |
Rochester: common questions
What is the DC Readiness score of Rochester?
Rochester scores 53.7/100 on the GridCensus DC Readiness scale, rated fair. It ranks 19th of 42 scored sites in Strafford County. The Strafford County average is 54.7 and the New Hampshire average is 54.5.
Which electric utility serves Rochester?
PUBLIC SERVICE CO OF NH (investor owned) holds the retail service territory that contains the site; its holding company is EVERSOURCE.
What grid region is Rochester in?
Rochester is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is Rochester in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is Rochester from an internet exchange?
The nearest internet exchange facility is Consolidated - 770 Elm St., about 32.8 miles away; 6 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Rochester, Strafford County, NH”, https://gridcensus.com/datacenter-sites/new-hampshire/strafford-county/rochester-1e8237d3 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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