Data Center Registry
FirstLight Portsmouth, NH Data Center
Portsmouth, Rockingham County, New Hampshire
FirstLight Portsmouth, NH Data Center is an operating data center in Portsmouth, New Hampshire (Rockingham County), operated by FirstLight.
Every line on this page traces to a public source listed at the bottom. Where a figure was looked for and not found, the row says so. A blank is never a zero.
Facility record
Operating
- Operator
- FirstLight
- Facility type
- Data center
- Location
- 359 Corporate Drive, Portsmouth, Rockingham County, NH
- Coordinates
- 43.0761, -70.8080
- Power capacity
- Not established from a public source
- Land
- Not established from a public source
- Investment
- Not established from a public source
- Announced
- Not established from a public source
- Utility
- Not established from a public source
- Cooling
- Not established from a public source
- Water use
- Not established from a public source
- Jobs
- Not established from a public source
- Public subsidy
- Not established from a public source
- Community reception
- No reception on record
- Source confidence
- Reported by at least one credible outlet or filing
Opposition and litigation at this site
Nothing on record as of July 23, 2026. No lawsuit, organized opposition, or contested hearing over FirstLight Portsmouth, NH Data Center in Portsmouth, Rockingham County, New Hampshire appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.
If you live near this site and something is happening that this page does not show, that is worth telling us. Send us the document and it goes in the record with the source attached. For sites where opposition is already established, see every contested site we track.
Notes on the record
Confirmed at 359 Corporate Drive, Portsmouth, NH, on FirstLight's own domain (firstlight.net/resources/data-center-portsmouth-nh-specifications/), corroborated by Baxtel (https://baxtel.com/data-center/firstlight-portsmouth). Carrier-neutral operational colocation facility.
What the record does not establish, and the document that would
In every fight on our tracker the decisive fact came out of a public records request. These are the requests for this site.
- Power capacity in megawatts
- Cooling method and water use
- Tax abatements or other public subsidy
- Permanent jobs promised
- Land area
- How the community has received it
- Which utility serves it
Which document closes each gap
- Power capacity in megawatts
- The utility's large load service agreement, the interconnection request in the grid operator's queue, or the electrical site plan in the permit file.
- Cooling method and water use
- The water service agreement, any groundwater appropriation permit, and the mechanical narrative in the site plan.
- Tax abatements or other public subsidy
- The abatement, PILOT, or development agreement approved by the county, city, or development authority, and the state's data center sales tax exemption certificate if one was issued.
- Permanent jobs promised
- The economic development application or incentive agreement, which usually states a job commitment and a clawback.
- Land area
- The rezoning application, the plat, or the deed recorded with the county.
- How the community has received it
- Planning commission and governing body minutes, public comment records, and any petition or lawsuit filed in the county.
- Which utility serves it
- The electric service agreement or the utility's filing with the state public utility commission.
Have one of these documents? Send it to us and we will add it to the record with attribution.
Questions people ask about this site
Is there opposition to the FirstLight Portsmouth, NH Data Center in Portsmouth?
Nothing on record as of July 23, 2026. No lawsuit, organized opposition, or contested hearing over FirstLight Portsmouth, NH Data Center in Portsmouth, Rockingham County, New Hampshire appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.
Has anyone filed a lawsuit over the FirstLight Portsmouth, NH Data Center?
No lawsuit over FirstLight Portsmouth, NH Data Center appears in the record we track as of July 23, 2026. Residents most often reach a lawyer over water supply, well drawdown, noise from cooling plant, property value, or a rezoning approved without the notice the ordinance required. If any of that is happening near this site, it is worth a review whether or not a case has been filed yet.
How much water does FirstLight Portsmouth, NH Data Center use?
No water withdrawal figure for FirstLight Portsmouth, NH Data Center is on record here. Water use is rarely published voluntarily; it usually surfaces through a utility service agreement or a state withdrawal permit, both of which are public records. We leave the number blank rather than estimate one.
Who operates FirstLight Portsmouth, NH Data Center, and how big is it?
FirstLight is the operator on record. No capacity figure is on record for this site.
How to cite this page
SueDataCenters.org Data Center Registry, "FirstLight Portsmouth, NH Data Center," updated July 23, 2026, https://suedatacenters.org/data-centers/firstlight-portsmouth-nh-data-center-nh.
Facility data from Compute Atlas (E. Kubiak), version 1.32.0 (September 7, 2026), licensed CC BY 4.0, record https://www.compute-atlas.com/facilities/firstlight-portsmouth-nh-data-center-nh, retrieved September 14, 2026.
Corrections with a public source are welcome at the Compute Atlas record or through our contact page. The whole registry is available as CSV and JSON under CC BY 4.0.
Sources for this record
As compiled and cited by Compute Atlas, with our own reporting appended. Archived links are used where the original has moved.
- 1.FirstLight facility directory · FirstLight · retrieved July 22, 2026
- 2.OpenStreetMap way/87058670 · OpenStreetMap · retrieved July 22, 2026
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