FirstLight DC
DatacenteractivePortsmouth, NH · FirstLight
FirstLight DC is an operating datacenter facility in Portsmouth, NH, operated by FirstLight.. Existing datacenter clusters are a strong signal for new development: they confirm power availability, fiber peering, and a permitting precedent — which is why nearby candidate sites often inherit the same speed-to-power advantages.
Facility
Nearby internet exchanges
- CENTRA PWM1 - Portland, Maine (340 Cumberland)Portland, ME · 7 networks
- EdgeConneX Boston (EDCBOS01)Billerica, MA · 5 networks
- FirstLight Regen HutPortland, ME · 5 networks
- Prov.net CHF1 (Boston North)Chelmsford, MA · 2 networks
- Equinix BO2 - Boston, BillericaBillerica, MA · 2 networks
Other datacenters nearby
- Markley Data CenterMarkley Group · Lowell, MA
- TierPoint DCTierPoint · Andover, MA
- University of New Hampshire DCUniversity of New Hampshire · NH
- FirstLight DCFirstLight · Portsmouth, NH
- Information Technology Data CenterPhillips Exeter Academy · NH
Nearby datacenter candidate sites
Scored candidate sites near FirstLight DC, ranked by DC Readiness — useful for evaluating expansion or second-site options in the same power/fiber market.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| ESSENTIAL POWER NEWINGTON LLC | Substation-Adjacent | NH | Rockingham County | 345 kV | 600 MW | 3.5 yrs | 73.1 |
| ELIOT | Substation-Adjacent | NH | Strafford County | 345 kV | 600 MW | 3.5 yrs | 72.0 |
| DEERFIELD | Substation-Adjacent | NH | Strafford County | 345 kV | 600 MW | 3.5 yrs | 71.6 |
| UNKNOWN132750 | Substation-Adjacent | NH | Rockingham County | 345 kV | 600 MW | 3.5 yrs | 71.2 |
| MAGUIRE ROAD | Substation-Adjacent | ME | York County | 345 kV | 600 MW | 3.5 yrs | 70.2 |
| TIMBER SWAMP | Substation-Adjacent | NH | Rockingham County | 345 kV | 600 MW | 3.5 yrs | 70.0 |
| TAP137045 | Substation-Adjacent | MA | Essex County | 345 kV | 600 MW | 3.5 yrs | 69.6 |
| UNKNOWN132750 | Substation-Adjacent | NH | Rockingham County | 345 kV | 600 MW | 3.5 yrs | 69.4 |
Dataset updated . Screening estimates derived from public data sources.
Datacenter records are derived from public facility datasets (PNNL and related sources) and may be incomplete or lag operational changes. Capacity and footprint are catalogued estimates — confirm operator, capacity, and availability directly with the facility.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for FirstLight DC, Portsmouth, NH. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.