Query
Holtsville
Type
Entity Briefing
Entity
Holtsville
Generated
2026-10-10T08:38:12.171Z

Briefing on Holtsville

Entity Briefing
Generated Oct 10, 2026·Dataset freshness not reported
567 MW
Capacity
Operating
Current status
1974
Operating since
10
Generators
0.4%
Capacity factor
21 GWh
Annual generation
Briefing/plantOperating

Holtsville is a 567 MW Petroleum Liquids asset in NYISO (New York), currently Operating.

Holtsville is reported in New York since 1974 under National Grid. Available operating and financial measures include 0.4% capacity factor and 21 GWh annual generation; $247/kW reported CapEx.

Location
Suffolk, New York
Technology
Petroleum Liquids
Owner / parent
National Grid
Operator
National Grid Generation LLC
Grid
NYISO (New York)
Plant ID
8007

What stands out

1

Holtsville is a 567 MW Petroleum Liquids asset in New York with status Operating.

2

Latest annual operating measures report 0.4% capacity factor and 21 GWh annual generation.

3

Available financial measures include $183.1/MWh OpEx, $247/kW CapEx.

4

Latest linked story: “Energy company files lawsuit over building Holtsville battery energy storage system” (News12 | Long Island, 2026-01-09).

Market and operating context

ISO / market
NYISO (New York)
Balancing authority
New York Independent System Operator
NERC region
NPCC
State rank
#1 of 5
National rank
#1 of 15

Why it matters

For this asset in NYISO (New York), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.