# Athens Generating Plant

NYISO asset profile · https://askthegrid.com/assets/facilities/athens-generating-plant

New Athens Generating Company LLC - Greene County - NYISO

The Athens Generating Plant is an operating natural-gas-fired combined-cycle facility located at 9300 US Route 9W in the Town of Athens, Greene County, New York. The facility consists of three combined-cycle units, each powered by a Westinghouse 501G combustion turbine paired with a heat-recovery steam generator and steam turbine generator. Construction began in May 2001 and was completed in mid-July 2003, with commercial service commencing in 2004. The facility is owned and operated by New Athens Generating Company LLC and is subject to lightened regulation by the New York Public Service Commission.

## Metrics

- **Nameplate capacity:** 1,221.6 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 55405 — plant-55405

## Facts

- **Technology:** Natural Gas Fired Combined Cycle
- **Operator:** New Athens Generating Company LLC

## Related parties

- **Investor / equity investor:** Riverstone Holdings LLC — Leading private markets asset manager; acquired upstream ownership interests through Talen Energy Supply ([source](https://www.riverstonellc.com/en/home/))
- **Parent company:** Talen Energy Supply, LLC — Owns 100% of MACH Gen; affiliate of Riverstone Holdings LLC
- **Former owner:** NorthEast Gas Generation, LLC — Direct parent of New Athens during 2020 bankruptcy restructuring
- **Acquirer / lender:** Beal Financial Corporation — Banking institution; parent of Beal Bank USA and Beal Bank, SSB; acquired New Athens ownership to realize on loan collateral
- **Acquirer:** Gate City Power — Acquired New Athens Generating Facility from Beal/NorthEast Gas Generation
- **Balancing authority / market operator:** New York Independent System Operator, Inc. (NYISO) — Operates the wholesale electricity market in which the facility participates
- **EPC contractor / construction contractor:** Bechtel Power Corporation — Engineering and general construction contractor for the Athens project
- **Regulator / regulatory counterparty:** New York Public Service Commission (NYPSC) — Regulates ownership transfers, debt issuance, and lightened-regulation status

## Sources

- [documents.dps.ny.gov](https://documents.dps.ny.gov/public/Common/ViewDoc.aspx?DocRefId=%7B2AE73ED9-0A4A-49C9-BE03-CB0EC2E76A5A%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=%7BB09E878F-0000-C510-BDCC-0FD23CF68BE2%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=%7BC609F554-2D73-4C2E-BD45-4167F80F205D%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=%7BF0A3DB2A-ED75-4457-A8D5-3AEA53EF2FB6%7D) — documents.dps.ny.gov · authoritative — Source retained for exact-record publication review.
- [federalregister.gov](https://www.federalregister.gov/documents/2025/11/20/2025-20499/air-plan-approval-new-york-athens-generating-plant) — federalregister.gov · authoritative — Source retained for exact-record publication review.

---

Canonical page: https://askthegrid.com/assets/facilities/athens-generating-plant

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