Query
Nine Mile Point Nuclear Station
Type
Entity Briefing
Entity
Nine Mile Point Nuclear Station
State
ME
Technology
nuclear
Generated
2026-09-18T15:31:25.715Z

Briefing on Nine Mile Point Nuclear Station

Entity Briefing
Generated Sep 18, 2026·Dataset freshness not reported
1.9 GW
Capacity
Operating
Current status
1969
Operating since
2
Generators
95.8%
Capacity factor
15964 GWh
Annual generation
Briefing/plantOperating

Nine Mile Point Nuclear Station is a 1.9 GW Nuclear asset in NYISO (New York), currently Operating.

Nine Mile Point Nuclear Station is reported in New York since 1969 under Constellation Energy. Available operating and financial measures include 95.8% capacity factor and 15964 GWh annual generation.

Location
Oswego, New York
Technology
Nuclear
Owner / parent
Constellation Energy
Operator
Constellation Nuclear
Grid
NYISO (New York)
Plant ID
2589

What stands out

1

Nine Mile Point Nuclear Station is a 1.9 GW Nuclear asset in New York with status Operating.

2

Latest annual operating measures report 95.8% capacity factor and 15964 GWh annual generation.

3

Latest linked story: “Constellation Reports First Quarter 2026 Results” (ChartMill, 2026-05-10).

Market and operating context

ISO / market
NYISO (New York)
Balancing authority
New York Independent System Operator
NERC region
NPCC
State rank
#1 of 3
National rank
#28 of 58

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.