# New Haven Steam

ISO-NE asset profile · https://askthegrid.com/assets/facilities/new-haven-steam

GB II New Haven LLC - New Haven County - ISONE

The plant comprises four generators: a 460 MW petroleum-liquids steam turbine (Unit 1, first operated July 1975) and three 60.5 MW petroleum-liquids combustion turbines (Units 2–4, first operated June 2012). All units are dual-fuel capable, firing residual fuel oil, distillate fuel oil, kerosene, and natural gas.

## Metrics

- **Nameplate capacity:** 641.5 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 6156 — plant-6156

## Facts

- **Technology:** Petroleum Liquids
- **Operator:** Generation Bridge II Connecticut, LLC

## Related parties

- **Parent company:** ArcLight Energy Partners Fund VII, L.P. — owner of Generation Bridge II subsidiaries
- **Regulator:** Connecticut Department of Energy and Environmental Protection — environmental and air quality regulator ([source](https://portal.ct.gov/deep))
- **Equipment supplier:** GE (General Electric) — manufacturer of LM6000PC combustion turbines
- **Equipment supplier:** GE Vernova — OEM product documentation ([source](http://gevernova.com/gas-power/products/gas-turbines/lm6000))

## Sources

- [gevernova.com](http://gevernova.com/gas-power/products/gas-turbines/lm6000) — gevernova.com · public_source — Source retained for exact-record publication review.
- [portal.ct.gov](https://portal.ct.gov/-/media/csc/3_petitions-medialibrary/Petitions_MediaLibrary/MediaPetitionNos1201-1300/PE1218/PE1218-20210923-TransferofOwnershipltr.pdf) — portal.ct.gov · authoritative — Source retained for exact-record publication review.
- [portal.ct.gov](https://portal.ct.gov/-/media/csc/3_petitions-medialibrary/petitions_medialibrary/mediapetitionnos1201-1300/pe1218/pe1218-20220314-transferofownership_namechange.pdf?rev=e56a6a260a67447a91ec3e6f69888c16&hash=41F75BD630A845A3A08050587CD23EE0) — portal.ct.gov · authoritative — Source retained for exact-record publication review.
- [portal.ct.gov](https://portal.ct.gov/-/media/csc/f2006/psegpowerforecastpdf.pdf?rev=37af4895d53a4ba2af9b9a8e62b2e044&hash=8A013C046B11A429B44784E0182F67AF) — portal.ct.gov · authoritative — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/new-haven-steam
Website: [GB II New Haven LLC](https://www.alphagen.com/compliance/plant/new-haven-harbor/)

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