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567 MW Kerosene operating in Suffolk, NY
567 MW
Nameplate Capacity
10
Generators
units
Petroleum Liquids
Technology
1974
Operating Since
Coordinates
40.8170, -73.0663
County
Suffolk, NY
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | National Grid Generation LLC | National Grid Generation | — |
| Owner(s) | National Grid Generation LLC | National Grid | — |
| Status | Operating | — | — |
The Holtsville plant, located in Suffolk County, New York, has a total capacity of 567 MW across 10 generators. The plant's primary fuel is kerosene (KER), utilizing petroleum liquids technology. It began operating in 1974 and is owned by National Grid, with National Grid Generation LLC as the operator. The parent company is based in the United Kingdom. The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
Holtsville's latest annual generation was 21,293 MWh, resulting in a capacity factor of 0.4%. The installed cost per kilowatt was $181.72, according to FERC data. The plant is ranked 1 of 2 among similar facilities in New York state and 2 of 7 nationally.
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
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
2.1K MWh
Latest Month
21.3K MWh
Annual Generation
0.4%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
2750 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
8 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.113 lb/MWh
N₂O
0.023 lb/MWh
Capacity Factor
0.3%
Annual Net Gen
16 GWh
CO₂eq
2759 lb/MWh
Subregion
NPCC Long Island
Gas turbine · National Grid Generation LLC · Data from 2015–2024
$247/kW
Installed Cost
$247/kW
Annual CapEx
$183.1/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
HOLTSVILLE_IC_1
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
23690
Pricing Hub
LONGIL
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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