Virgil C. Summer (USA)

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900 MW PWR unit; constructed by Westinghouse; grid connection in 1982.

Facilities in Virgil C. Summer

plantreactor typconstruction startoperation startshut down
Virgil C. Summer-1PWR19731982
Virgil C. Summer-2PWR2013
1993-05-01

Crack indications on 3 SG tubes underwent an unprecedented growth in one 18-month operating cycle. NRC: "those kinds of crack growth rates have not been observed, certainly not in this country and I don't think in Europe either."

1990-04-06

Reactor building purge exhaust radiation monitor has been inoperable for purge exhaust operations since initial operation in 1982, error in computer software that performs the setpoint calculations caused a nonconservative failure.

1989-08-25

Pressurizer safety valve lifted spuriously, relieving reactor coolant.

1989-05-28

Spurious opening of pressurizer safety valve.