Data Centers in New Hampshire
3 verified facilities · about 9 estimated ·
New Hampshire data centers at a glance
As of September 2026, New Hampshire has 3 data centers verified in OpenStreetMap and an estimated 9 in total. That ranks 42nd among the 48 states and territories in the directory and is 0.2% of all verified US facilities. Facilities cluster in Portsmouth (1). The largest operators by mapped sites are FirstLight (1), Phillips Exeter Academy (1), and University of New Hampshire (1), out of 3 named operators. Malachi.Energy does not currently track a named mega project in New Hampshire; the tracked list covers announced campuses of roughly 100 MW and up where both planned capacity and investment are public.
Facility counts: OpenStreetMap contributors (ODbL), scaled to Baxtel data center market directory totals. Mega projects: Malachi.Energy tally of public filings and announcements. Method notes on the methodology page. See also New Hampshire electricity rates.
Verified
3
OSM-mapped facilities
Estimated
~9
Scaled to industry totals
Top hub
Portsmouth
1 verified facilities
Mega projects
None
No tracked projects over 100 MW
Map of data centers in New Hampshire
County boundaries, every verified facility, and tracked mega projects sized by planned capacity. Downloads carry the source line and dataset date for citation.
Top operators in New Hampshire
By OSM-verified facility count
- 1.FirstLight1
- 2.Phillips Exeter Academy1
- 3.University of New Hampshire1
Key hubs in New Hampshire
Cities with the most verified facilities
- 1.Portsmouth1
All verified data centers in New Hampshire
3 facilities mapped in OpenStreetMap, sorted by city. Unnamed entries are mapped buildings tagged as data centers without a public name.
| Name | Operator | City | Address |
|---|---|---|---|
| Unnamed facility | FirstLight | Portsmouth | 77 Aviation Avenue |
| Information Technology Data Center | Phillips Exeter Academy | Unknown | Not listed |
| Unnamed facility | University of New Hampshire | Unknown | 1 Leavitt Lane |
Frequently asked questions
How many data centers are in New Hampshire?
New Hampshire has 3 data centers verified in OpenStreetMap as of September 2026, and an estimated 9 in total once unmapped facilities are scaled in against Baxtel's industry count. That places it 42nd of 48 states and territories by verified count.
Where are the data centers in New Hampshire?
The largest concentrations in New Hampshire are Portsmouth with 1 verified facility. The full table below lists every verified facility in the state with its operator and address.
Who operates the most data centers in New Hampshire?
By number of OSM-verified facilities, the largest data center operators in New Hampshire are FirstLight (1), Phillips Exeter Academy (1), and University of New Hampshire (1). This ranks mapped sites, not megawatts, so a hyperscaler with many small buildings can outrank a colocation provider with one large campus.
What large data centers are being built in New Hampshire?
Malachi.Energy does not currently track a named mega project in New Hampshire; the tracked list covers announced campuses of roughly 100 MW and up where both planned capacity and investment are public. Smaller and unannounced facilities still appear in the verified directory above. Nationally, US data centers used about 192 TWh in 2024, 4.7% of US electricity.
Facility data sourced from OpenStreetMap contributors (ODbL). Estimated totals scaled to Baxtel industry counts. Mega project data from public filings and announcements. Dataset last updated . Built by Malachi.Energy.