# Astoria Energy II

NYISO asset profile · https://askthegrid.com/assets/facilities/astoria-energy-ii

Astoria Energy II LLC - Queens County - NYISO

Astoria Energy II is a 650 MW dual-fuel natural-gas-fired combined-cycle power plant located at 17-10 Steinway Street in Astoria, Queens, New York. Operated by Astoria Energy II LLC, the facility comprises two GE 7FA combustion-turbine generators (200 MW each) and one GE D-11 steam-turbine generator (250 MW) with supplemental Alstom heat-recovery steam generators. Commercially operational since July 2011, the plant sells all output bilaterally to the New York Power Authority under a long-term power purchase agreement and is interconnected to the bulk transmission system at the NYPA Astoria Annex Substation (345 kV).

## Metrics

- **Nameplate capacity:** 650 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 57664 — plant-57664

## Facts

- **Technology:** Natural Gas Fired Combined Cycle
- **Operator:** Astoria Energy II LLC

## Related parties

- **Owner:** Astoria Project Partners II LLC — Direct parent
- **Owner:** Astoria Power Partners Holding, LLC — Current indirect owner (55% stake in parent)
- **Offtaker:** New York Power Authority — Power purchaser ([source](https://www.nypa.gov))
- **Market operator:** New York Independent System Operator, Inc. — Interconnecting system operator ([source](https://www.nyiso.com))
- **Transmission owner:** New York Power Authority — Transmission owner and connecting transmission owner ([source](https://www.nypa.gov))
- **Construction contractor:** Consolidated Edison Company of New York, Inc. — Interconnection facilities contractor ([source](https://www.coned.com))
- **Asset manager:** SUEZ Energy Astoria II, LLC — Project construction oversight / owner's representative
- **EPC contractor:** SNC-Lavalin Constructors, Inc. — EPC contractor ([source](https://www.atkinsrealis.com))
- **Equipment supplier:** General Electric — Primary turbine and generator equipment supplier ([source](https://www.gevernova.com))
- **Equipment supplier:** Alstom — HRSG equipment supplier ([source](https://www.alstom.com))
- **Former owner:** ENGIE — Former owner (seller in 2020 transaction) ([source](https://www.engie-na.com))

## Sources

- [documents.dps.ny.gov](http://documents.dps.ny.gov/public/Common/ViewDoc.aspx?DocRefId={1B1224E9-094A-4743-B4AD-56CE9FC20E91}) — documents.dps.ny.gov · authoritative — Source retained for exact-record publication review.
- [documents.dps.ny.gov](https://documents.dps.ny.gov/public/Common/ViewDoc.aspx?DocRefId=%7B1B1224E9-094A-4743-B4AD-56CE9FC20E91%7D) — documents.dps.ny.gov · authoritative — Source retained for exact-record publication review.
- [documents.dps.ny.gov](https://documents.dps.ny.gov/public/Common/ViewDoc.aspx?DocRefId=%7B7F1504A7-2FF3-4810-9149-F8BC204E89D3%7D) — documents.dps.ny.gov · authoritative — Source retained for exact-record publication review.
- [extapps.dec.ny.gov](https://extapps.dec.ny.gov/data/dar/afs/permits/263010007200014_r3.pdf) — extapps.dec.ny.gov · authoritative — Source retained for exact-record publication review.
- [nyisoviewer.etariff.biz](https://nyisoviewer.etariff.biz/viewerdoclibrary/Filing/Filing117/Attachments/Astoria%20Energy%20II%20Transmittal%20Letter%201-7-11.pdf) — nyisoviewer.etariff.biz · public_source — Source retained for exact-record publication review.
- [nyisoviewer.etariff.biz](https://nyisoviewer.etariff.biz/viewerdoclibrary/MasterTariffs/58TariffSections/2415.pdf) — nyisoviewer.etariff.biz · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/astoria-energy-ii

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