238.5 MW Distillate Oil operating in Suffolk, NY — New York Independent System Operator
238.5 MW
Nameplate Capacity
3
Generators
units
Petroleum Liquids
Technology
1989
Operating Since
Coordinates
40.9569, -72.8774
County
Suffolk, NY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | National Grid Generation LLC | National Grid Generation | — |
| Owner(s) | National Grid Generation LLC | National Grid | — |
| Status | Operating | — | — |
Wading River is a 238.5 MW petroleum-fueled power plant located in Suffolk County, New York. The plant began operating in 1989 and consists of 3 generators utilizing petroleum liquids technology. It is owned by National Grid, a company based in the United Kingdom, and operated by National Grid Generation LLC. The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year with available data, Wading River generated 6,071 MWh of electricity, resulting in a capacity factor of 0.3%. According to available rankings, the plant is the second-largest of three petroleum-fueled plants in New York and ranks 33rd out of 60 similar plants nationally. Financial data indicates an installed cost of $410.68 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
NERC Region
NPCC
Balancing Authority
New York Independent System Operator
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.7K MWh
Latest Month
6.1K MWh
Annual Generation
0.3%
Capacity Factor
$547/kW
Installed Cost
$486.7/MWh
Operating Cost
National Grid Generation LLC
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
WADING RIVER_IC_2
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
23547
Pricing Hub
NYISO Zone K
Node Source
EIA-860 direct report
Cuba Begins Testing First Battery Energy Storage System to Boost Grid Stability
As part of the country’s strategic program to strengthen the stability of the national grid, Cuba has begun load testing of the first unit of a battery energy storage system (BESS) at the El Cotorro substation in Havana. This is the first of four systems with a total capacity of 200 MW. According...
Calverton Civic Association urges public to attend this evening’s zoning meeting
National Grid Ventures, co-owner of Long Island's first two battery storage plants, has withdrawn plans for a half-dozen other plants across...
Calverton Civic Association urges public to attend this evening’s zoning meeting
National Grid Ventures, co-owner of Long Island's first two battery storage plants, has withdrawn plans for a half-dozen other plants across...
Long Island battery storage projects withdrawn by National Grid
National Grid Ventures, co-owner of Long Island's first two battery storage plants, has withdrawn plans for a half-dozen other plants across...
Last updated 2026-03-25
View all 10 articles