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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
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
New York Independent System Operator (NYIS)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.7K MWh
Latest Month
6.1K MWh
Annual Generation
0.3%
Capacity Factor
CO₂ Intensity
2515 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
4 lb/MWh
SO₂
0.017 lb/MWh
CH₄
0.090 lb/MWh
N₂O
0.018 lb/MWh
Capacity Factor
0.5%
Annual Net Gen
13 GWh
CO₂eq
2522 lb/MWh
Subregion
NPCC Long Island
Gas turbine · National Grid Generation LLC · Data from 2015–2024
$547/kW
Installed Cost
$486.7/MWh
Operating Cost
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
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