# Seabrook

ISO-NE asset profile · https://askthegrid.com/assets/facilities/seabrook

NextEra Energy Seabrook LLC - Rockingham County - ISONE

Seabrook Unit 1 is an operating 1,242 MW EIA-nameplate Westinghouse pressurized-water reactor in New Hampshire. NextEra Energy Seabrook operates the plant and owns 88.23%, with three municipal co-owners holding the balance.

## Metrics

- **Nameplate capacity:** 1242 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 6115 — plant-6115

## Facts

- **Technology:** Nuclear
- **Operator:** NextEra Energy Seabrook LLC

## Related parties

- **Parent company:** NextEra Energy Resources LLC — Principal owner/operator ([source](http://nexteraenergyresources.com/what-we-do/nuclear/seabrook.html))
- **Parent company:** FPL Group Inc. — Acquirer and parent company
- **Transmission owner:** New Hampshire Transmission LLC (NHT) — Transmission substation owner ([source](https://www.nexteraenergytransmission.com))

## Sources

- [mmwec.org](http://mmwec.org/our-energy-assets/seabrook-nuclear) — mmwec.org · public_source — Source retained for exact-record publication review.

---

Canonical page: https://askthegrid.com/assets/facilities/seabrook
Website: [NextEra Energy Seabrook LLC](http://nexteraenergyresources.com/what-we-do/nuclear/seabrook.html)

Source: Ask the Grid — https://askthegrid.com/
