# Wading River

NYISO asset profile · https://askthegrid.com/assets/facilities/wading-river

National Grid Generation LLC - Suffolk County - NYISO

Wading River is an operating three-generator petroleum-liquids combustion-turbine power plant on North Country Road in Shoreham, Suffolk County, New York. It entered service in August 1989 and has approximately 238.5 MW of nameplate capacity. The facility consists of three GE Frame 7EA simple-cycle gas turbines, each rated 79.5 MW, operating on distillate fuel oil. National Grid Generation LLC owns and operates the station, and the Long Island Power Authority purchases its capacity under a power supply agreement expiring in April 2028. NYISO is the balancing authority and market operator.

## Metrics

- **Nameplate capacity:** 238.5 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 7146 — plant-7146

## Facts

- **Technology:** Petroleum Liquids
- **Operator:** National Grid Generation LLC

## Related parties

- **Investor:** National Grid plc — Parent company of National Grid USA and National Grid Generation LLC ([source](https://nationalgrid.com))
- **Offtaker / power marketer:** Long Island Power Authority — Capacity purchaser and power-supply-agreement counterparty; transmission and distribution owner ([source](https://www.lipower.org/))
- **Equipment supplier:** GE Vernova (formerly General Electric) — Manufacturer of the three installed GE Frame 7EA combustion turbines ([source](https://www.gevernova.com/gas-power/products/gas-turbines/7e))

## Sources

- [climate.ny.gov](https://climate.ny.gov/-/media/Project/Climate/Files/JTWG-Power-Plant-Inventory.pdf) — climate.ny.gov · authoritative — Source retained for exact-record publication review.
- [documents.dps.ny.gov](https://documents.dps.ny.gov/public/Common/ViewDoc.aspx?DocRefId=%7BFDFD0F03-1E60-4C1A-95BD-AB56F780032E%7D&DocTitle=Testimony%20-%20Power%20Supply%20-%20Exhibit%20-%20PSP-2) — documents.dps.ny.gov · authoritative — Source retained for exact-record publication review.
- [pragmaticenvironmentalistofnewyork.blog](https://pragmaticenvironmentalistofnewyork.blog/wp-content/uploads/2025/10/long-island-power-genration-ar-323-1.pdf) — pragmaticenvironmentalistofnewyork.blog · public_source — Source retained for exact-record publication review.
- [gevernova.com](https://www.gevernova.com/gas-power/products/gas-turbines/7e) — gevernova.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/wading-river
Website: [National Grid Generation LLC](https://nationalgrid.com/national-grid-ventures/what-we-do/conventional-generation)

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