# Roseton Generating Facility

NYISO asset profile · https://askthegrid.com/assets/facilities/roseton-generating-facility

Roseton Generating LLC - Orange County - NYISO

Roseton Generating Facility is a dual-fuel natural-gas- and fuel-oil-fired steam power plant located at 992 River Road in the Town of Newburgh, Orange County, New York, on the west shore of the Hudson River. Both units are capable of firing No. 6 fuel oil and natural gas as primary fuels, with natural gas or No. 2 fuel oil as ignition fuels. The facility operates two GE 3,600-RPM steam turbine generators, supplies power into NYISO Zone G, and includes an auxiliary natural-gas-fired boiler and emergency diesel generators. The plant interconnects at 345 kV to the Central Hudson Gas & Electric transmission system. Roseton Generating LLC is the current owner and operator as of 2026.

## Metrics

- **Nameplate capacity:** 1,242 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 8006 — plant-8006

## Facts

- **Technology:** Natural Gas Steam Turbine
- **Operator:** Roseton Generating LLC

## Related parties

- **Owner / parent company:** Castleton Commodities International LLC — Parent company and seller group; acquired Roseton in 2013 from Dynegy Inc. and remains ultimate owner via subsidiary structure as of July 2026. ([source](https://www.cci.com/))
- **Acquirer:** PowerTransitions — Announced prospective acquirer; agreement to acquire the facility from CCI subsidiary pending as of July 25, 2026. ([source](https://www.power-transitions.com/))
- **Transmission owner / interconnecting utility:** Central Hudson Gas & Electric Corporation — Transmission owner and interconnecting utility; identified in NYISO tariff as connecting transmission owner for facility interconnection at 345 kV. ([source](https://www.cenhud.com/))
- **Balancing authority / market operator:** New York Independent System Operator — Wholesale market operator and balancing authority; Roseton supplies NYISO Zone G and operates as market participants 23587 and 23588. ([source](https://www.nyiso.com/))
- **Former owner:** Central Hudson Gas & Electric Corporation — Predecessor co-owner holding 35% interest, divested in 2001 ([source](https://www.cenhud.com/))
- **Former owner:** Niagara Mohawk Power Corporation — Predecessor co-owner holding 25% interest, divested in 2001 ([source](https://www.nationalgridus.com/))
- **Former owner:** Consolidated Edison Company of New York — Predecessor co-owner holding 40% interest, divested in 2001 ([source](https://www.coned.com/))
- **Owner / former owner:** Dynegy Inc. — 2001 buyer of predecessor interests and 2013 seller to CCI ([source](https://www.dynegy.com/))
- **Equipment supplier:** General Electric — Equipment manufacturer of the two GE 3,600 RPM turbine generators ([source](https://www.gevernova.com/))

## Sources

- [cicbca.org](https://cicbca.org/202503-orange-county-gets-new-fast-ny-grant-for-studies-at-roseton-power-plant-site/) — cicbca.org · public_source — Source retained for exact-record publication review.
- [documents.dps.ny.gov](https://documents.dps.ny.gov/public/Common/ViewDoc.aspx?DocRefId=%7BECDB6986-8131-4EC6-806D-74AD821B570C%7D) — documents.dps.ny.gov · authoritative — Source retained for exact-record publication review.
- [extapps.dec.ny.gov](https://extapps.dec.ny.gov/docs/legal_protection_pdf/rosetond.pdf) — extapps.dec.ny.gov · authoritative — Source retained for exact-record publication review.
- [mis.nyiso.com](https://mis.nyiso.com/public/htm/generator/generator.htm) — mis.nyiso.com · authoritative — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/roseton-generating-facility

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