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November 23, 2021

Nine Mile Point 2, US

By Carmen

Nine Mile Point 2 is a 1,320MW nuclear reactor which is located within the premises of Nine Mile Point Nuclear Station. It is located in New York, the US. The nuclear reactor is currently generating power and is in active status. The construction on the reactor commenced in Aug, 1975. The first power from the reactor was achieved in Aug, 1987. Subsequent to trial runs the reactor finally entered into commercial operation in Mar, 1988.

PID Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Main Contractor
719 Nuclear 1,320 1,320 Active New York, the US Stone & Webster


Nine Mile Point 2 is a Generation II nuclear reactor developed by Stone & Webster, the main contractor for the project.

The 1,320MW reactor is operated by Exelon Generation. Exelon Generation, Electricite de France and Long Island Power Authority are currently owning the project having ownership stake of 41.01%, 40.99% and 18% respectively.

The BWR reactor generates 11,217.19GWh/annum of electricity. It features 764 fuel assemblies in the core of reactor, the place where fission occurs and energy is released.

Development Status

The reactor construction commenced in Aug, 1975 and subsequently entered into commercial operation in Mar, 1988.

Contractors Involved

GE Power was selected as the steam turbine supplier for the nuclear reactor. The company provided 1 steam turbine for the project. Stone & Webster was selected as an architect engineer for the reactor. The reactor system was supplied by GE Power. The reactor vessel have been supplied by Westinghouse Electric Co LLC and McDermott International. The material used for the construction of the vessel is Low Alloyed Steel. The civil works were carried out by Stone & Webster.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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