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Nine Mile Point nuclear power plant

Nine Mile Point nuclear power plant is a nuclear power station in United States with 2 operating units totalling 1,962 MW gross. The site has 4 units on record in total.

Operating5Under construction1Retired1circle area ∝ site capacity Coastlines, borders and lakes: Natural Earth (1:10 million, public domain), which is generalised, so a coastal plant can sit a couple of kilometres off its true shoreline. Site positions: Global Nuclear Power Tracker.
Units on record
4
Operating
2
Operating capacity
1,962MW

Units

UnitStatusTypeModelGross MWOnline
Unit 1 Operating BWR BWR-2 (Mark 1) 642 1969
Unit 2 Operating BWR BWR-5 (Mark 2) 1,320 1988
Unit 3 Cancelled PWR - 1,600 -
Unit SMR Announced - - 300 -

Nine Mile Point nuclear power plant in context

By gross operating capacity Nine Mile Point nuclear power plant is the 24th largest of 54 operating nuclear sites in the United States, holding 2% of the country's operating capacity, and ranks 94th of 172 worldwide.

Its operating units started up between 1969 and 1988; the median unit is 47.5 years old, older than the median of 45.0 in the United States.

The 2 units with both construction and grid dates on record took 4.6 to 12.0 years (median 8.3) from construction start to grid connection; the median across all reactors connected in the 1980s is 7.3 years.

The nearest other tracked nuclear sites are James A Fitzpatrick nuclear power plant (1 km), Robert Emmett Ginna nuclear power plant (78 km) and Darlington New nuclear power plant (189 km).

2 operating units are rated differently now from their design net capacities: Unit 1 -1.1% and Unit 2 +16.1%.

Build time by unit

UnitConstruction startGrid connectionYearsFleet median, same decade
Unit 1196519694.65.0 (1960s)
Unit 21975198712.07.3 (1980s)

Nearest tracked nuclear sites

How these are worked out: ranks use gross operating capacity; ages count from the start-up year on record, as on the age page; build times run from construction start to grid connection, as on the build-times page; ratings are the tracker's net and design net capacity, as on the uprates page. Distances are straight-line between exact positions, so a site with only an approximate position gets none. A unit missing a date or a rating is left out of the figure that needs it.

Site detail
LocationNew York, United States
Coordinates43.5205, -76.4068
Elevationabout 80 mabove sea level
SettingOn the shore of a large lake, 1.3 km from the water
RegionNorthern America
Units by status
Operating: 2
Cancelled: 1
Announced: 1

Elevation is read at the listed coordinates from a 30 m terrain model (SRTM 30 m). Two independent models differ by a median of 6 m across our plants and by up to about 40 m on steep or coastal ground, and a point on a shoreline can read as sea level. Distance to the water is measured to a generalised 1:10 million coastline, so a few kilometres or less is not resolved. This is context, not a design-basis or flood-risk figure.

Owners & operators
Owners
Exelon Nuclear
Electricité De France (EDF)
Niagara Mohawk Power Co
Constellation Energy Corp
Operators
Exelon Generation

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Sources

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