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Performance Indicators Clarifying Notes

Arkansas 1

None

Arkansas 2

None

Beaver Valley 1

None

Beaver Valley 2

None

Braidwood 1

None

Braidwood 2

None

Brown Ferry 2

None

Browns Ferry 3

None

Brunswick 1

None

Brunswick 2

None

Byron 1

None

Byron 2

None

Callaway

None

Calvert Cliffs 1

None

Calvert Cliffs 2

None

Catawba 1

None

Catawba 2

None

Clinton

None

Comanche Peak 1

None

Comanche Peak 2

None

Cooper

None

Crystal River 3

None

Davis-Besse

Alert & Notification System

NRC Comments: Discrepant Performance Indicator, Inspection Procedure 71150 Implemented

The NRC has implemented Inspection Procedure 71150, "Discrepant or Unreported Performance Indicator Data," for the Davis-Besse Alert and Notification System performance indicator. The NRC has inspected the Alert and Notification System performance indicator data and determined that the indicator is "white." Once the root cause(s) of the discrepant PI data have been identified and corrected, and the NRC has verified that the PI data can be collected and reported accurately, oversight of the PI reporting will return to normal inspection per Inspection Procedure 71151.

Diablo Canyon 1

None

Diablo Canyon 2

None

Dresden 2

None

Dresden 3

None

Duane Arnold

None

Farley 1

None

Farley 2

None

Fermi 2

None

FitzPatrick

None

Fort Calhoun

None

Ginna

None

Grand Gulf 1

None

Harris 1

None

Hatch 1

None

Hatch 2

None

Hope Creek 1

None

Indian Point 2

None

Indian Point 3

None

Kewaunee

Alert and Notification System

The ANS Reliability PI for Kewaunee is based on siren data from about half of the emergency planning zone. The ANS Reliability PI for the neighboring Point Beach site is based on siren data from the rest of the emergency planning zone. The ANS Reliability PI from the two sites may be combined to provide an indication of the reliability of all sirens in the shared emergency planning zone.

La Salle 1

None

La Salle 2

None

Limerick 1

None

Limerick 2

None

McGuire 1

None

McGuire 2

None

Millstone 2

None

Millstone 3

None

Monticello

None

Nine Mile Point 1

None

Nine Mile Point 2

None

North Anna 1

None

North Anna 2

None

Oconee 1

None

Oconee 2

None

Oconee 3

None

Oyster Creek

None

Palisades

None

Palo Verde 1

None

Palo Verde 2

None

Palo Verde 3

None

Peach Bottom 2

None

Peach Bottom 3

None

Perry 1

None

Pilgrim 1

None

Point Beach 1

Alert and Notification System

The ANS Reliability PI for Point Beach is based on siren data from about half of the emergency planning zone. The ANS Reliability PI for the neighboring Kewaunee site is based on siren data from the rest of the emergency planning zone. The ANS Reliability PI from the two sites may be combined to provide an indication of the reliability of all sirens in the shared emergency planning zone.

Point Beach 2

Alert and Notification System

The ANS Reliability PI for Point Beach is based on siren data from about half of the emergency planning zone. The ANS Reliability PI for the neighboring Kewaunee site is based on siren data from the rest of the emergency planning zone. The ANS Reliability PI from the two sites may be combined to provide an indication of the reliability of all sirens in the shared emergency planning zone.

Prairie Island 1

None

Prairie Island 2

None

Quad Cities 1

None

Quad Cities 2

None

River Bend 1

None

Robinson 2

None

Saint Lucie 1

None

Saint Lucie 2

None

Salem 1

None

Salem 2

None

San Onofre 2

None

San Onofre 3

None

Seabrook 1

None

Sequoyah 1

None

Sequoyah 2

None

South Texas 1

None

South Texas 2

None

Summer

None

Surry 1

None

Surry 2

None

Susquehanna 1

None

Susquehanna 2

None

Three Mile Island 1

None

Turkey Point 3

None

Turkey Point 4

None

Vermont Yankee

None

Vogtle 1

None

Vogtle 2

None

Waterford 3

None

Watts Bar 1

None

WNP2

None

Wolf Creek 1

None

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Page Last Reviewed/Updated Friday, April 20, 2018