ML20311A435

... Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection Performance Indicators last Modified: April 8, 2002 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

4Q/2000 - Prairie Island 2 Page 2 of 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

1Q/2001 - Prairie Island 2 Page 1 of 2 Prairie Island 2 1Q/2001 Performance Summary Current Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

... Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection Performance Indicators last Modified: April 9, 2002 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

1Q/2001 - Prairie Island 2 Page 2 of 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

2Q/2001 - Prairie Island 2 Page 1 of 2 Prairie Island 2 2Q/2001 Performance Summary Current Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

... Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection Performance Indicators last Modified: April 9, 2002 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

2Q/2001 - Prairie Island 2 Page 2 of 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

3Q/2001 - Prairie Island 2 Page 1 of 2 Prairie Island 2 3Q/2001 Performance Summary Current Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

... Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection Performance Indicators last Modified: April 9, 2002 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

3Q/2001 - Prairie Island 2 Page 2 of 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

4Q/2001 - Prairie Island 2 Page 1 of 2 Prairie Island 2 4Q/2001 Performance Summary Current Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

... Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection Performance Indicators last Modified: March 1, 2002 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

4Q/2001 - Prairie Island 2 Page 2 of 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

1Q/2002 - Prairie Island 2 Page 1 of 2 Prairie Island 2 1Q/2002 Performance Summary Current Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protection Safety Safety Performance Indicators last Modified: May 3, 2002 Legend: R=Red W=White T=Thresho1ds Wlder deve1opment N=Not ilpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

1Q/2002 - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguards Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protection Safety Safety Most Significant Inspection Findings Nofidlp W (1)

Nofidlp No fi"ldilgs Nofidlp Nofndiras No 1i"d'lJI*

10/2002 lhls q..ter lhlsq..ter this qlB1er lhls CJ.Brier thls~r lhls"8ter 40/20011=.= I Noih:t"G*

ttis~

1=-= INo'ltldngs this~

INo1na"Qs this IJ,Brter INofndllngs ttis..-ter No1h:h;as this~

30/20011=.= 1=-= 1=-= INo'ltldngs this IJB'ler 1No1hqs this IJ,llrter INofhdllrgs thls~r No'lh:llgs lhlslJBter 2012001 I:.= 1=-= INo'ltldngs this~

INo1n*"Qs this IJ,Brter INofndllngs thls..-mr No1h:h;as this~

Miscellaneous findings Addition a I I nsp e cti on & Assessment Info rm ati on

+ Assessment Rep orts/1 nsp e cti on PI ans: + List of Inspection Reports 10/2002 + List of Assessment Letters/I nsp e cti on PI ans 40/2001 30/2001 20/2001

+ Cross Reference Of Assessment Reports Last Modified: July 22, 2002 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

2Q/2002 - Prairie Island 2 Page 1 of 4 Prairie Island 2 2Q/2002 Performance Summary file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 07/03/2003

2Q/2002 - Prairie Island 2 Page 2 of 4 Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protection Safety Safety Performance Indicators Last Modified: July 31, 2002 Legend: R=Red W=White T=Thresho1ds Wl.der deve1opment N=Not App1icab1e Y=Ye11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 07/03/2003

2Q/2002 - Prairie Island 2 Page 3 of 4 Reactor Radiation Safeguarc Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protectio1 Safety Safety Most Significant Inspection Findings 20!20021=-= I No1h:h;as ttis~

1=-= INo'ltldngs this~

INo1na"Qs this CJ,arter INofndllngs ttis..-ter No1h:h;as this~

10!20021~= 1~= 1:s: INothisfi"ldilgs IJB'ter" INomcrgs this CJ.Brier INothls~r fildirgs No1h:tlgs thls"8ter 40!20011=-= 1=-= 1=-= INo'ltldngs this~

INo1na"Qs this CJ,arter INofndllngs thls..-mr No1h:h;as this~

30!20011=-= I I W (1) 1=-= INo'ltldngs thlslJB'ler INo1ha"Qs this IJ,llrter INofndllngs thls~r No1h:h;as thls(JBter Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Rep o rts/1 nsp e cti on PI ans: + List of Inspection Reports 20/2002 + List of Assessment Letters/I nsp e cti on PI ans 10/2002 40/2001 30/2001

+ Cross Reference Of Assessment Reports Last Modified: August 29, 2002 file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 07/03/2003

2Q/2002 - Prairie Island 2 Page 4 of 4 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 07/03/2003

3Q/2002 - Prairie Island 2 Page 1 of 3 Prairie Island 2 3Q/2002 Performance Summary Current Action Matrix Co Ium n:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection Performance Indicators last Modified: October 22, 2002

3Q/2002 - Prairie Island 2 Page 2 of 3 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design Reactor Radiation Safeguarc Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protectio1 Safety Safety Most Significant Inspection Findings 30/2002 Nofidlgs No fi"ldilgs Nofidlp Nofndiras No fi"d'lJI*

111s IJ81:er 111s q..ter tl1sq..ter tNsq..ter thls~ster 2012002 I=*= INoih:t"G*

ttis~-- 1:m= INo'ltldngs ttisq..ter INo1na"Qs ttisq..ter INofndllngs ttisq..ter No1h:h;as this~--

1012002I=*= INoitdlg*

tta:~ster 1:s= INo'ltldngs tta: qlB'ter 1:s= 1=-'=

Noitdlgs thls~ster 40/20011=*= INo1h:h;as tl1s~-- 1:s= INo'ltldngs tl1sq..ter 1:s= l:S': No1h:h;as this~--

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Rep o rts/1 nsp e cti on PI ans: + List of Inspection Reports 30/2002 + List of Assessment Letters/I nsp e cti on PI ans 20/2002 10/2002 40/2001

+ Cross Reference Of Assessment Reports Last Modified: December 2, 2002

3Q/2002 - Prairie Island 2 Page 3 of 3 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

4Q/2002 - Prairie Island 2 Page 1 of 3 Prairie Island 2 4Q/2002 Performance Summary Current Action Matrix Co Ium n:

Inspection Licensee Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety

Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection Performance Indicators last Modified: January 30, 2003

4Q/2002 - Prairie Island 2 Page 2 of 3 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design Reactor Radiation Safeguarc Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protectio1 Safety Safety Most Significant Inspection Findings 40!2002 Ittis-..ister No1h:h;as ItNo1na"Qs tis~

ItNofndllngs tis~

No1h:h;as lhis-..ister 30!2002 1:s= I No fi"ldilgs ttaq..ter 1:s= I:.': Nofh:tlgs lhls-..ister 2oi2002lt:.= I No1h:h;as ttis-..ister 1:m= I No 'ltldngs ttisq..ter 1=-= 1=-'= No1h:h;as lhls-..ister 1oi2002lt:.= I Noih:t"G*

'IN&:-..iarter 1:a= I No 'ltldngs

'INsqlB'ter 1=-= 1=-'= No1h:h;as this -..iarter Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Rep o rts/1 nsp e cti on PI ans: + List of Inspection Reports 40/2002 + List of Assessment Letters/I nsp e cti on PI ans 30/2002 20/2002 10/2002

+ Cross Reference Of Assessment Reports Last Modified: March 25, 2003

4Q/2002 - Prairie Island 2 Page 3 of 3 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

1Q/2003 - Prairie Island 2 Page 1 of 4 Prairie Island 2 1Q/2003 Performance Summary file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 07/22/2003

1Q/2003 - Prairie Island 2 Page 2 of 4 Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protection Safety Safety Performance Indicators Last Modified: April 22, 2003 Legend: R=Red W=White T=Thresho1ds Wl.der deve1opment N=Not App1icab1e Y=Ye11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 07/22/2003

1Q/2003 - Prairie Island 2 Page 3 of 4 Reactor Radiation Safeguarc Safety Safety T

Occupational TPublic Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protectio1 Safety Safety Most Significant Inspection Findings 10!20031=*= INoih:t"G*

ttis-..ister 1=-= INo'ltldngs ttisq..ter INo1na"Qs ttisq..ter INofndllngs ttisq..ter No1h:h;as lhis-..ister 40!2002 INom:tlg*

tta-..ister 1:s= I:.': Nom:tlgs lhls-..ister 30!2002 1=-= INo'ltldngs tisq..ter 1=-= 1=-'= No1h:h;as lhls-..ister 2oi2002lt:.= I Noih:t"G*

'IN&:-..iarter 1:a= INo'ltldngs

'INsqlB'ter 1=-= 1=-'= No1h:h;as this -..iarter Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Rep o rts/1 nsp e cti on PI ans: + List of Inspection Reports 10/2003 + List of Assessment Letters/I nsp e cti on PI ans 40/2002 30/2002 20/2002

+ Cross Reference Of Assessment Reports Last Modified: May 30, 2003 file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 07/22/2003

1Q/2003 - Prairie Island 2 Page 4 of 4 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 07/22/2003

2Q/2003 - Prairie Island 2 Page 1 of 4 Prairie Island 2 2Q/2003 Performance Summary file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 10/08/2003

2Q/2003 - Prairie Island 2 Page 2 of 4 Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protection Safety Safety Performance Indicators Last Modified: July 22, 2003 Legend: R=Red W=White T=Thresho1ds Wl.der deve1opment N=Not App1icab1e Y=Ye11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 10/08/2003

2Q/2003 - Prairie Island 2 Page 3 of 4 Reactor Radiation Safeguarc Safety Safety T

Occupational TPublic Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protectio1 Safety Safety Most Significant Inspection Findings 20!20031=*= 1=-= Ittisq..ter No'ltldngs Ittisq..ter No1na"Qs Ittisq..ter Nofndllngs No'lh:tlgs lhis-..ister 10!20031=*= I Nom:tlg*

tta-..ister 1:s= 1 No fi"ldilgs

'ltaq..ter 1:s= l:S': Nom:tlgs lhls-..ister 40!2002 1No'lh:tlgs ttis-..ister 1=-= 1=-'= No'lh:tlgs lhls-..ister 30!2002 1:a= 1 No'ltldngs tNsqlB'ter 1=-= 1=-'= No'lh:tlgs this -..iarter Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Rep o rts/1 nsp e cti on PI ans: + List of Inspection Reports 20/2003 + List of Assessment Letters/I nsp e cti on PI ans 10/2003 40/2002 30/2002

+ Cross Reference Of Assessment Reports Last Modified: September 4, 2003 file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 10/08/2003

2Q/2003 - Prairie Island 2 Page 4 of 4 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 10/08/2003

3Q/2003 - Prairie Island 2 Page 1 of 4 Prairie Island 2 3Q/2003 Performance Summary file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 01/12/2004

3Q/2003 - Prairie Island 2 Page 2 of 4 Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protection Safety Safety Performance Indicators Last Modified: October 22, 2003 Legend: R=Red W=White T=Thresho1ds Wl.der deve1opment N=Not App1icab1e Y=Ye11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 01/12/2004

3Q/2003 - Prairie Island 2 Page 3 of 4 Reactor Radiation Safeguarc Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protectio1 Safety Safety Most Significant Inspection Findings 30!2003 Ittis-..ister No1h:h;as Ittisq..ter No'ltldngs Ittisq..ter No1na"Qs Ittisq..ter Nofndllngs No1h:h;as lhis-..ister 20!20031 :'s=

1:.= INo fi"ldilgs ttaq..ter 1:s= I:.': No1h:tlgs lhls-..ister 10!20031=*= I No1h:h;as ttis-..ister 1=-= INo'ltldngs ttisq..ter 1=-= 1=-'=

No1h:h;as lhls-..ister 40!2002 I Noih:t"G*

'IN&:-..iarter 1=-= 1=-'=

No1h:h;as this -..iarter Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Rep o rts/1 nsp e cti on PI ans: + List of Inspection Reports 30/2003 + List of Assessment Letters/I nsp e cti on PI ans 20/2003 10/2003 40/2002

+ Cross Reference Of Assessment Reports Last Modified: December 1, 2003 file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 01/12/2004

3Q/2003 - Prairie Island 2 Page 4 of 4 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 01/12/2004

4Q/2003 - Prairie Island 2 Page 1 of 4 Prairie Island 2 4Q/2003 Performance Summary file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 04/22/2004

4Q/2003 - Prairie Island 2 Page 2 of 4 Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protection Safety Safety Performance Indicators Last Modified: Jam.1a,y 23, 2004 Legend: R=Red W=White T=Thresho1ds Wl.der deve1opment N=Not App1icab1e Y=Ye11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 04/22/2004

4Q/2003 - Prairie Island 2 Page 3 of 4 Reactor Radiation Safeguarc Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protectio1 Safety Safety Most Significant Inspection Findings 40!20031=*= INoih:t"G*

ttis-..ister 1=-= INo'ltldngs ttisq..ter INo1na"Qs ttisq..ter INofndllngs ttisq..ter No1h:h;as lhis-..ister 30!2003 INom:tlg*

tta-..ister INo fi"ldilgs

'ltaq..ter 1:s= I:.': Nom:tlgs lhls-..ister 20!20031=*= 1=-= INo'ltldngs tisq..ter 1=-= 1=-'= No1h:h;as lhls-..ister 10!20031=*= I Noih:t"G*

'IN&:-..iarter 1:a= INo'ltldngs

'INsqlB'ter 1=-= 1=-'= No1h:h;as this -..iarter Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Rep o rts/1 nsp e cti on PI ans: + List of Inspection Reports 40/2003 + List of Assessment Letters/I nsp e cti on PI ans 30/2003 20/2003 10/2003

+ Cross Reference Of Assessment Reports Last Modified: March 2, 2004 file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 04/22/2004

4Q/2003 - Prairie Island 2 Page 4 of 4 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process file://C:\RROP\NRR\OVERSIGHT\ASSESS\PRAI2\prai2_chart.html 04/22/2004

1Q/2004 - Prairie Island 2 Page 1 of 2 Prairie Island 2 1Q/2004 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety

... Mitigating Systems ~

Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection Performance Indicators Last Modified: April 22, 2004 07/14/2004

1Q/2004 - Prairie Island 2 Page 2 of 2 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design Reactor Radiation Safeguarc Safety Safety Occupational Public Initiating Mitigating Barrier Emergency Physical Radiation Radiation Events Systems Integrity Preparedness Protectio1 Safety Safety Most Significant Inspection Findings 1012004 Ittisq..ter No'ltldngs Ittisq..ter No1na"Qs Ittisq..ter Nofndllngs 1:.= l:m= No'ltldngs ttisq..ter 40120031 No film-gs 111s IJJSl:er 1 No fi"ldilgs 111s q..ter 1:s= l:S': 1:.= 1:s= No fi"ldilgs 111s q..ter 3012003 1 No'ltldngs tisq..ter 1=-'= 1:.= 1:m= No'ltldngs tisq..ter 20120031 No fh*Gs 1111 IJBl:er 1=-= 1=-'= 1:.= 1:a= No'ltldngs tNsqlB'ter Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 10/2004 + List of Assessment Letters/I nsp e cti on PI ans 40/2003 30/2003 20/2003

+ Cross Reference Of Assessment Reports Last Modified: May 5, 2004 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process 07/14/2004

2Q/2004 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 2Q/2004 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

.... Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Safety Public Radiation Safety Physical Protection (NOT PUBLIC)

Performance Indicators Last Modified: September 8, 2004 Legend: R=Red W=White T=Thresho1ds Wlder deve1opment N=Not Jlpp1icab1e Y-='re11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unigue Design

2Q/2004 Performance Summary - Prairie Island 2 Page 2 of 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

3Q/2004 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 3Q/2004 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Physical Protection (NOT PUBLIC)

Performance Indicators Last Modified: October 25, 2004 Legend: R=Red W=White T=Thresho1ds under deve1op:ment N=Not 1lpp1icab1e Y~e11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design

3Q/2004 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguarc Safety Safety Occupational Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectio1 Events Systems Integrity Preparedness Safety Safety (NOT PUBL Most Significant Inspection Findings 3Qf2004 I::: INo1na"Qs ttis CJ,arter INofndllngs ttis..-ter 1=-= 1=-=

2Qf2004 INo fildirgs thls~r 1~= 1:s:

1Qf2004 I No 'ltldngs this IJ,larter INo1na"Qs this CJ,arter INofndllngs thls..-mr 1=-= 1=-=

I 4Qf2003 No fh*Gs this CJBter I No 'ltldngs this CJBter INo1na"Qs this IJ,llrter INofndllngs this cplrter 1~= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 30/2004 + List of Assessment Letters/I nsp e cti on PI ans 20/2004 10/2004 40/2003

+ Cross Reference Of Assessment Reports Last Modified: December 29, 2004 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

4Q/2004 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 4Q/2004 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

... Mitigating Systems ~

Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Physical Protection (NOT PUBLIC)

Performance Indicators Last Modified: March 9, 2005 Legend: R=Red W=White T=Thresho1ds under deve1op:ment N=Not 1lpp1icab1e Y~e11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design

4Q/2004 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguarc Safety Safety Occupational Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectio1 Events Systems Integrity Preparedness Safety Safety (NOT PUBL Most Significant Inspection Findings 4Qf2004 I::: I No'ltldngs this..-ter INofndllngs ttis..-ter 1=-= 1=-=

I 3Qf2004 No film-gs this IJ8ter" I'*

Nomcrgs IJ,llrter INo fildirgs thlsipner 1~= 1:s:

2Qf2004 INofndllngs thls..-mr 1=-= 1=-=

1Qf2004 INo'ltldngs thls..-ter INo1na"Qs this IJ,llrter INofndllngs this cplrter 1~= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 40/2004 + List of Assessment Letters/I nsp e cti on PI ans 30/2004 20/2004 10/2004

+ Cross Reference Of Assessment Reports Last Modified: March 9, 2005 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

1Q/2005 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 1Q/2005 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

... Mitigating Systems ~

Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Physical Protection (NOT PUBLIC)

Performance Indicators Last Modified: June 17, 2005 Legend: R=Red W=White T=Thresho1ds under deve1op:ment N=Not 1lpp1icab1e Y~e11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design

1Q/2005 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguarc Safety Safety Occupational Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectio1 Events Systems Integrity Preparedness Safety Safety (NOT PUBL Most Significant Inspection Findings 1Qf2005 I::: Ithis..-ter No'ltldngs INofndllngs ttis..-ter 1=-= 1=-=

I 4Qf2004 No film-gs this~

Ithis~

No fi"ldilgs INo fildirgs thls~r 1~= 1:s:

I 3Qf2004 No fhdllngs thls..-ter INo1na"Qs tis IJ,larblr INofndllngs thls..-mr 1=-= 1=-=

2Qf2004 INofndllngs thls~r 1~= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 10/2005 + List of Assessment Letters/I nsp e cti on PI ans 40/2004 30/2004 20/2004

+ Cross Reference Of Assessment Reports Last Modified: June 17, 2005 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

2Q/2005 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 2Q/2005 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Physical Protection (NOT PUBLIC)

Performance Indicators Last Modified: Al)gl)st 3, 2005 Legend: R=Red W=White T=Thresho1ds under deve1op:ment N=Not 1lpp1icab1e Y~e11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design

2Q/2005 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguarc.

Safety Safety Occupational Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectio1 Events Systems Integrity Preparedness Safety Safety (NOT PUBL Most Significant Inspection Findings 2012005 INofhdllrvs ttis..-ter 1:.= l:m=

10120051 No film,gs 111s IJJSl:er I Nomdilgs 111s q..ter I:.': 1:.= 1:s=

4012004 I ,niavs No 111s ..-t*

I No 'ltldhgs tisq..ter 1=-'= 1:.= 1:m=

30120041 No fhdllngs 1111 IJBl:er 1=-= 1=-'= 1:.= 1:a=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 20/2005 + List of Assessment Letters/I nsp e cti on PI ans 10/2005 40/2004 30/2004

+ Cross Reference Of Assessment Reports Last Modified: A1Jg1Jst 24, 2005 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

3Q/2005 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 3Q/2005 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Physical Protection (NOT PUBLIC)

Performance Indicators Last Modified: November 3, 2005 Legend: R=Red W=White T=Thresho1ds under deve1op:ment N=Not 1lpp1icab1e Y~e11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design

3Q/2005 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguarc.

Safety Safety Occupational Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectio1 Events Systems Integrity Preparedness Safety Safety (NOT PUBL Most Significant Inspection Findings 30!20051 :S': INofld'Vs ttis~

INofhdllrvs ttis~ 1:.= 1:a=

20!2005 I:.': 1:.= 1:s=

1or2005 I ,niavs I No tHs..-ter No 'ltldhgs tlis q..ter 1=-'= 1:.= 1:m=

40!20041 No fhdllngs 1111 IJBl:er I No 'ltldhgs tNs qlB'ter 1=-'= 1:.= 1:a=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 30/2005 + List of Assessment Letters/I nsp e cti on PI ans 20/2005 10/2005 40/2004

+ Cross Reference Of Assessment Reports Last Modified: November 30, 2005 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

4Q/2005 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 4Q/2005 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Physical Protection (NOT PUBLIC)

Performance Indicators Last Modified: Jan1Jary 30, 2006 Legend: R=Red W=White T=Thresho1ds under deve1op:ment N=Not 1lpp1icab1e Y~e11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design

4Q/2005 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguarc.

Safety Safety Occupational Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectio1 Events Systems Integrity Preparedness Safety Safety (NOT PUBL Most Significant Inspection Findings 40!20051 :S': INofld'Vs ttis~

INofhdllrvs ttis~ 1:.= 1:a=

30!20051 No film,gs 111s IJJSl:er 1:s= I:.': 1:.= 1:s=

20!2005 1=-'= 1:.= 1:m=

10!20051 No fhdllngs 1111 IJBl:er INo 'ltldhgs tNs qlB'ter 1=-'= 1:.= 1:a=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 40/2005 + List of Assessment Letters/I nsp e cti on PI ans 30/2005 20/2005 10/2005

+ Cross Reference Of Assessment Reports Last Modified: March 3, 2006 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

1Q/2006 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 1Q/2006 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Physical Protection (NOT PUBLIC)

Performance Indicators Last Modified: May 5, 2006 Legend: R=Red W=White T=Thresho1ds under deve1op:ment N=Not 1lpp1icab1e Y~e11ow G=Green I=Insuf ficient data to ca1cu1ate PI U=Unique Design

1Q/2006 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguarc.

Safety Safety Occupational Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectio1 Events Systems Integrity Preparedness Safety Safety (NOT PUBL Most Significant Inspection Findings 10!20061 :S'= ItNofld'Vs tis~

ItNofhdllrvs tis~ 1:.= l:m=

40!20051 No film,gs 111s IJJSl:er 1:s= I:.': 1:.= 1:s=

I 30f2005 No ,niavs 111s ..-t*

1=-= 1=-'= 1:.= 1:m=

20!2005 1=-'= 1:.= 1:a=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 10/2006 + List of Assessment Letters/I nsp e cti on PI ans 40/2005 30/2005 20/2005

+ Cross Reference Of Assessment Reports Last Modified: May 25, 2006 Inspection & Assessment Information l Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

2Q/2006 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 2Q/2006 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T 0cc upat ional Public Physical Initiating Mitigating Barrier Emergency

~ ~ Radiation Radiation Protection Events Systems Integrity Preparedness Safety Safety (NOT PUBLIC)

Performance Indicators Last Modified: A1.Jg1.Jst 2, 2006 Legend : R=Re d W=Wh.i t e T=Thres holds under de ve loprnen t N=No t 11.ppl ic able Y=Ye11ow G=Green I=Insufficient data to calculate PI U=Unique Design

2Q/2006 Performance Summary - Prairie Island 2 Page 2 of 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

3Q/2006 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 3Q/2006 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety T

0cc upat ional TPublic Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protection Events Systems Integrity Preparedness Safety Safety (NOT PUBLIC)

Performance Indicators Last Modified: November 6, 2006 Legend : R=Red W=Wh.ite T=Thresho1ds under development N=Not Jl.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

3Q/2006 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protection Events Systems Integrity Preparedness Safety Safety (NOT PUBLIC)

=

Most Significant Inspection Findings 30120061 : .

1'*

Nofirdlgs CJ.Brier lt:s= 1 Nom:tlg*

tta~ster 1012006 1:.= 1'*~-- 1:.= 1:.=No1h:h;as 40120051 : .= 1:.= 1 Noih:t"G*

'IN&:~arter 1:a= 1:.=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 30/2006 + List of Assessment Letters/I nsp e cti on PI ans

+ Baseline Inspection Completion Information 20/2006 10/2006 40/2005

+ Cross Reference Of Assessment Reports Last Modified: December 13, 2006 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

4Q/2006 Performance Summary - Prairie Island 2 Page 1 of 2 Prairie Island 2 4Q/2006 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety T

0cc upat ional TPublic Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protection Events Systems Integrity Preparedness Safety Safety (NOT PUBLIC)

Performance Indicators Last Modified: Febwary 6, 2007 Legend : R=Red W=Wh.ite T=Thresho1ds under development N=Not Jl.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

4Q/2006 Performance Summary - Prairie Island 2 Page 2 of 2 Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protection Events Systems Integrity Preparedness Safety Safety (NOT PUBLIC)

Most Significant Inspection Findings 4012006 Ittisflrdlgs No CJ,arter 1=*= Ittis-..ister Noih:t"G*

l:m= 1:.=

30120061 t:1s= Itta-..ister Nom:tlg*

lt:1s=

20120061 :.= IttisflrdlJilS No CJ,arter 1=*= Ittws-..ister No1h:h;as 1012006 1=*= I'IN&:-..iarter Noih:t"G*

1:a= 1:.=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports 40/2006 + List of Assessment Letters/I nsp e cti on PI ans

+ Baseline Inspection Completion Information 30/2006 20/2006 10/2006

+ Cross Reference Of Assessment Reports Last Modified: March 1, 2007 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

Prairie Island 2 1Q/2007 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety i

Occupational i Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protection Events Sy.stems Integrity P reparedne.s.s Safety Safety (NOT PUBLIC)

Performance Indicators Last Modified: Ji.me 1, 2007 Legend : R=R.e d W=Wh.i t e T=Thres ho1 ds Wlder de ve 1oprnen t N=No t llpp1 ic ab1 e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 2Q/2007 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety i

Occupational i Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protect ion!

Events Sy.stems Integrity P reparedne.s.s Safety Safety Security Performance Indicators Last Modified: A/../g/../st 6, 2007 Legend : R=R.e d W=Wh.i t e T=Thres ho1 ds Wlder de ve 1oprnen t N=No t llpp1 ic ab1 e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectiorl Events Systems Integrity Preparedness Safety Safety Security Most Significant Inspection Findings 20!2007 1=*= Itta:~ster Noitdlg*

1:.=

1012001 I:.= Ittis No flrdlgs IJ,llrter 1=*= Ittis~ster No1nh;as 1:s= 1:.=

40!2006 Ittis No flrdlJilS IJ,llrter 1=*= Ittis~ster No1nh;a*

l:m= 1:.=

I'lta~ster Nom:tlg*

lt:m=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 20/2007 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 10/2007

+ Baseline Inspection Completion Information 40/2006 30/2006

+ Cross Reference Of Assessment Reports Last Modified: August 24, 2007 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

Prairie Island 2 3Q/2007 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety i

Occupational i Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protect ion!

Events Sy.stems Integrity P reparedne.s.s Safety Safety Security Performance Indicators Last Modified: December 7, 200 7 Legend : R=R.e d W=Wh.i t e T=Thres ho1 ds Wlder de ve 1oprnen t N=No t llpp1 ic ab1 e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectiorl Events Systems Integrity Preparedness Safety Safety Security 30!20071 :1s= 1'*

Most Significant Inspection Findings Noflrdlgs IJ,llrter 1:.: 1Noitdlg*

tta~ster 1:s: 1:11:

20!2007 1:.: 1No1nh;as 1:.:

10!20071 :.= 1 ttis~ster No flrdlJilS ttis CJ,arter 1:.: 1No1nh;a*

ttis~ster 1:a: 1:.:

40!2006 1'*

Nofirdlgs CJ.Brier 1:.: 1Nom:tlg*

tta~ster 1:s: 1:1s:

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 30/2007 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 20/2007

+ Baseline Inspection Completion Information 10/2007 40/2006

+ Cross Reference Of Assessment Reports Last Modified: December 7, 2007 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

Prairie Island 2 4Q/2007 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety i

Occupational i Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protect ion!

Events Sy.stems Integrity P reparedne.s.s Safety Safety Security Performance Indicators Last Modified: Febwari; 4, 2008 Legend : R=R.e d W=Wh.i t e T=Thres ho1 ds Wlder de ve 1oprnen t N=No t llpp1 ic ab1 e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectiorl Events Systems Integrity Preparedness Safety Safety Security Most Significant Inspection Findings 40!20071 :1s= I'*

Noflrdlgs IJ,llrter 1:.: Itta~ster Noitdlg*

1:s: 1:11:

30!20071 :is= Itis No flrdlJas IJ,llrter 1:.: Itis~ster No1nh;as 1:s: 1:1s:

20!2007 1=*= Ittis~ster No1nh;a*

1:.:

1012001 I:1s= I'*

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1:s: 1:1s:

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 40/2007 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 30/2007

+ Baseline Inspection Completion Information 20/2007 10/2007

+ Cross Reference Of Assessment Reports Last Modified: February 4, 2008 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

Prairie Island 2 1Q/2008 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety 0cc upat ional Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectiorl Events Systems Integrity Preparedness Safety Safety Security Performance Indicators Last Modified: April 30, 2008 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y-=fe11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 2Q/2008 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety 0cc upat ional Public Physical Initiating Mitigating Barrier Emergency Radiation Radiation Protectiorl Events Systems Integrity Preparedness Safety Safety Security Performance Indicators Last Modified: Al)gl)st 4, 2008 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y-=fe11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 3Q/2008 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Performance Indicators Last Modified: November 26, 2008 Legend: R=Red W=White T=Thresho1ds Wlder deve1opment N=Not il.pp1icab1e Y~e11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

.... Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Security Most Significant Inspection Findings I No ft'ldngs 30!2008 this qumter 1:s= 1:s=

I No ft'ldhgs 20!2008 : this quster 1 No1nh;as ttis~ster 1:s= 1 No ft'ldngs ttis quster 1:s=

I Noft'ld~

1or2oo 9 : ttis quster INo1nh;as ttis~ster 1:m=

40!2007 :INomf this qU::. 1 Nom:tlgs

'lta~ster 1:s= 1 No fi"ldilgs

'ltaqiater Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 30/2008 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 20/2008

+ Baseline Inspection Completion Information 10/2008 40/2007

+ Cross Reference Of Assessment Reports Last Modified: November 26, 2008 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

Prairie Island 2 4Q/2008 Performance Summary Current Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Performance Indicators Last Modified: Febrnary 4, 2009

Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events f-) Mitigating Systems

_., Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 40!2008 INo'ltldngs ttisq..ter INo1na"Qs ttisq..ter 30!2008 INomf this qU::. 1:s= 1:s=

I 1:m= I No'ltldngs 20!2008 this quster No'ltldngs tisq..ter 1=-=

INo'ltldngs 10!2008 this qu.ter 1:a=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 40/2008 + List of Security IR Cover Letters 30/2008

+ List of Assessment Letters/I nsp e cti on PI ans

+ Baseline Inspection Completion Information 20/2008 10/2008

+ Cross Reference Of Assessment Reports Last Modified: April 7, 2009

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 1Q/2009 Performance Summary Current Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Performance Indicators Last Modified: May 1, 2009

Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events f-) Mitigating Systems

_., Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 10!2009 INoftldngs tis quster W (1) 40!2008 INo fi"ldilgs ttaq..ter INoftldngs 30!2008 this quster INoftldhgs 20!2008 this qu.ter INoftldngs tNsqu.ter Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 10/2009 + List of Security IR Cover Letters 40/2008

+ List of Assessment Letters/I nsp e cti on PI ans

+ Baseline Inspection Completion Information 30/2008 20/2008

+ Cross Reference Of Assessment Reports Last Modified: May 28, 2009

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 2Q/2009 Performance Summary Current Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Performance Indicators Last Modified: August 25, 2009

Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events f-) Mitigating Systems

_., Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings l:m= I I 20!2009 No'ltldngs ttisq..ter No1na"Qs ttisq..ter 1=*=

10!2009 1:s= INo fi"ldilgs ttaq..ter W (1)

I 40!2008 No'ltldngs tisq..ter 1=-= 1=*=

I 1:a=

No'ltldngs 30!2008 this qu.ter 1=-= 1=*=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 20/2009 + List of Security IR Cover Letters 10/2009

+ List of Assessment Letters/I nsp e cti on PI ans

+ Baseline Inspection Completion Information 40/2008 30/2008

+ Cross Reference Of Assessment Reports Last Modified: A1.Jg1.Jst 31, 2009

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 3Q/2009 Performance Summary Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Performance Indicators Last Modified: November 30, 2009 Legend: R=Red W=White T=Thresho1ds under deve1op:ment N=Not 1lpp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unigue Design

Reactor Radiation Safeguarc.

Safety Safety Occupational Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Most Significant Inspection Findings 3012009 W (1) INo1na"Qs ttis~ 1:.= l:m=

2012009 1:s= 1::.1: lt:m= 1:s=

1012009 1=-= 1=-'= W (1) 4012008 1=-'= 1:.= 1:a=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 30/2009 + List of Security IR Cover Letters 20/2009

+ List of Assessment Letters/I nsp e cti on PI ans

+ Baseline Inspection Completion Information 10/2009 40/2008

+ Cross Reference Of Assessment Reports Last Modified: December 10, 2009 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process

Prairie Island 2 4Q/2009 Performance Summary Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: March 5, 2010 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 1Q/2010 Performance Summary Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: April 26, 2010 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 2Q/2010 Performance Summary Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: JIJ/y 26, 2010 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 3Q/2010 Performance Summary Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: October 25, 2010 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 4Q/2010 Performance Summary Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: Jamaty 24, 2011 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 1Q/2011 Performance Summary Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: May 4, 2011 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 2Q/2011 Performance Summary Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: AiJgiJst 16, 2011 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 3Q/2011 Performance Summary Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: November 29, 2011 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 4Q/2011 Performance Summary Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: March 2, 2012 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 1Q/2012 Performance Summary Action Matrix Column:

Inspection Licensee Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Last Modified: April 25, 2012 Legend: R=Red W=White T=Thresho1ds under deve1opment N=Not 11.pp1icab1e Y=Ye11ow G=Green I=Insufficient data to ca1cu1ate PI U=Unique Design

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Prairie Island 2 2Q/2012 Performance Summary Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators y y Assessment Reports Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Performance Indicators Last Modified: Al..!gust 2, 2012 l=ll'lauffieient .D ata to Calculate Pt U=Uoique. Design Y=Yell ow C=Creen 'l"='l'breahoJ.da unde r deveJ.opmant N=:lifot ApplicabJ.e D=Discrepant

Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process 3Q/2012 Performance Summary - Prairie Island 2 Prairie Island 2 3Q/2012 Performance Summary Page 1 of 3

3Q/2012 Performance Summary - Prairie Island 2 Legend : R=Red W==Whi t e G'l"G=Gr ,e at e r 'l'han Gr,e en I = I n au ff i c i ent Data t o Ca l cul a t e PI U=Un i q ue Dea i ,g n Y=Ye ll ow G=Gr een T'='l'hreah o l d a unde r d e v e l opment N=Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 3012012 No findings this quarter Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1= 1=-=

20!2012 Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1= 1=-=

10!2012 Noft'ldlnp tHsquarter 1=-= 1:.1= 1=-=

40!2011 Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1= II OTC Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 30/2012 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 20/2012

+ Baseline Inspection Completion Information 10/2012 40/2011

+ Cross Reference Of Assessment Reports Last Modified: November 30, 2012 Page 2 of 3

3Q/2012 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

4Q/2012 Performance Summary - Prairie Island 2 Prairie Island 2 4Q/2012 Performance Summary Action Matrix Column:

Inspection Regulatory Response Performance Findings Indicators

¥ ¥ Assessment Reports Reactor Radiation Safeguards Safety Safety

~~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators Emergency AC Power System 0fl0 Last Modified: Febr1Jaty 19, 2013 CT-Oi-Oraater Than Ora1t1n I*In1u r ri c:i .n t Data to Calculate PI U-Unique Dali,qn

~

Page 1 of 2

4Q/2012 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 2 of 2

1Q/2013 Performance Summary - Prairie Island 2 Prairie Island 2 1Q/2013 Performance Summary Page 1 of 3

1Q/2013 Performance Summary - Prairie Island 2 Legend : R=Red W==Whi t e G'l"G=Gr ,e at e r 'l'han Gr,e en I = I n au ff i c i ent Data t o Ca l cul a t e PI U=Un i q ue Dea i ,g n Y=Ye ll ow G=Gr een T'='l'hreah o l d a unde r d e v e l opment N=Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 1012013 No findings this quarter 1=-= 1=-= 1:.1= 1=-=

40!2012 Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1= 1=-=

3012012 No findings this quarter Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1= 1=-=

20!2012 Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 10/2013 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 40/2012

+ Baseline Inspection Completion Information 30/2012 20/2012

+ Cross Reference Of Assessment Reports Last Modified: J1Jne 4, 2013 Page 2 of 3

1Q/2013 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

2Q/2013 Performance Summary - Prairie Island 2 Prairie Island 2 2Q/2013 Performance Summary Page 1 of 3

2Q/2013 Performance Summary - Prairie Island 2 Legend : R=Red W==Whi t e G'l"G=Gr ,e at e r 'l'han Gr,e en I = I n au ff i c i ent Data t o Ca l cul a t e PI U=Un i q ue Dea i ,g n Y=Ye ll ow G=Gr een T'='l'hreah o l d a unde r d e v e l opment N=Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 2012013 No findings this quarter Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1=

1012013 No findings this quarter 1=-= 1=-= 1:.1= 1=-=

40!2012 Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1= 1=-=

3012012 No findings this quarter Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 20/2013 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 10/2013

+ Baseline Inspection Completion Information 40/2012 30/2012

+ Cross Reference Of Assessment Reports Last Modified: September 3, 2013 Page 2 of 3

2Q/2013 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

3Q/2013 Performance Summary - Prairie Island 2 Prairie Island 2 3Q/2013 Performance Summary Page 1 of 3

3Q/2013 Performance Summary - Prairie Island 2 Legend : R=Red W==Whi t e G'l"G=Gr ,e at e r 'l'han Gr,e en I = I n au ff i c i ent Data t o Ca l cul a t e PI U=Un i q ue Dea i ,g n Y=Ye ll ow G=Gr een T'='l'hreah o l d a unde r d e v e l opment N=Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 3012013 No findings this quarter Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1=

2012013 No findings this quarter Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1=

1012013 No findings this quarter 1=-= 1=-= 1:.1=

40!2012 Noft'ldlnp tHs quarter 1=-= 1=-= 1:.1=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 30/2013 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 20/2013

+ Baseline Inspection Completion Information 10/2013 40/2012

+ Cross Reference Of Assessment Reports Last Modified: December 3, 2013 Page 2 of 3

3Q/2013 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

4Q/2013 Performance Summary - Prairie Island 2 Prairie Island 2 4Q/2013 Performance Summary Page 1 of 3

4Q/2013 Performance Summary - Prairie Island 2 Legend : R=Red W==Whi t e G'l"G=Gr ,e at e r 'l'han Gr,e en I = I n au ff i c i ent Data t o Ca l cul a t e PI U=Un i q ue Dea i ,g n Y=Ye ll ow G=Gr een T'='l'hreah o l d a unde r d e v e l opment N=Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 4012013 No findings this quarter Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1=

3012013 No findings this quarter Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1=

2012013 No findings this quarter Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1=

1012013 No findings this quarter 1=-= 1=-= 1:.1=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 40/2013 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 30/2013

+ Baseline Inspection Completion Information 20/2013 10/2013

+ Cross Reference Of Assessment Reports Last Modified: Febr1Jaty 24, 2014 Page 2 of 3

4Q/2013 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

1Q/2014 Performance Summary - Prairie Island 2 Prairie Island 2 1Q/2014 Performance Summary Page 1 of 3

1Q/2014 Performance Summary - Prairie Island 2 Legend : R=Red W==Whi t e G'l"G=Gr ,e at e r 'l'han Gr,e en I = I n au ff i c i ent Data t o Ca l cul a t e PI U=Un i q ue Dea i ,g n Y=Ye ll ow G=Gr een T'='l'hreah o l d a unde r d e v e l opment N=Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 10!2014 Ithls..-ter No ft'dlp 1=-= 1=-= 1:.1= 1=-=

4012013 No findings this quarter Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1= 1=-=

3012013 No findings this quarter Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1= 1=-=

2012013 No findings this quarter Noft'ldlnp tHsquarter 1=-= 1=-= 1:.1=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 10/2014 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 40/2013

+ Baseline Inspection Completion Information 30/2013 20/2013

+ Cross Reference Of Assessment Reports Last Modified: May 30, 2014 Page 2 of 3

1Q/2014 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

2Q/2014 Performance Summary - Prairie Island 2 Prairie Island 2 2Q/2014 Performance Summary Page 1 of 3

2Q/2014 Performance Summary - Prairie Island 2 Le gend : R= Red W=Whi te G'l'G=Gr,e ater 'l'han Gr,e en I = I n a uffi c i ent Da ta to Ca l cul a t e P I U= Un i que Dea i ,gn Y= Ye ll ow G=Gre en 'l'='l'hreahol d a unde r d e v e l o pm=ll.t N= Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Most Significant Inspection Findings 20!2014 1=-= 1=-= 1=-=

10!2014 1=-= 1=-= 1=-= 1=-=

40!20131=-= 1=-= 1=-= 1=-= 1=-= 1=-=

30!20131=-= 1=-= 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 20/2014 + List of Security IR Cover Letters

+ List of Assessment Letters/Inspection Plans 10/2014

+ Baseline Inspection Completion Information 40/2013 30/2013

+ Cross Reference Of Assessment Reports Last Modified: August 29, 2014 Page 2 of 3

2Q/2014 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

3Q/2014 Performance Summary - Prairie Island 2 Prairie Island 2 3Q/2014 Performance Summary Page 1 of 3

3Q/2014 Performance Summary - Prairie Island 2 Le gend : R= Red W=Whi te G'l'G=Gr,e ater 'l'han Gr,e en I = I n a uffi c i ent Da ta to Ca l cul a t e P I U= Un i que Dea i ,gn Y= Ye ll ow G=Gre en 'l'='l'hreahol d a unde r d e v e l o pm=ll.t N= Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Most Significant Inspection Findings 30!20141=-= 1=-= 1=-= 1=-= 1=-=

20!2014 1=-= 1=-= 1=-=

10!2014 1=-= 1=-= 1=-= 1=-=

40!20131=-= 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 30/2014 + List of Security IR Cover Letters

+ List of Assessment Letters/Inspection Plans 20/2014

+ Baseline Inspection Completion Information 10/2014 40/2013

+ Cross Reference Of Assessment Reports Last Modified: November 26, 2014 Page 2 of 3

3Q/2014 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

4Q/2014 Performance Summary - Prairie Island 2 Prairie Island 2 4Q/2014 Performance Summary Page 1 of 3

4Q/2014 Performance Summary - Prairie Island 2 Le gend : R= Red W=Whi te G'l'G=Gr,e ater 'l'han Gr,e en I = I n a uffi c i ent Da ta to Ca l cul a t e P I U= Un i que Dea i ,gn Y= Ye ll ow G=Gre en 'l'='l'hreahol d a unde r d e v e l o pm=ll.t N= Not Appli cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety T T 0cc upat ional Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Most Significant Inspection Findings 40!20141=-= 1=-= 1=-= 1=-= 1=-=

30!20141=-= 1=-= 1=-= 1=-= 1=-=

20!2014 1=-= 1=-= 1=-=

10!2014 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 40/2014 + List of Security IR Cover Letters

+ List of Assessment Letters/Inspection Plans 30/2014

+ Baseline Inspection Completion Information 20/2014 10/2014

+ Cross Reference Of Assessment Reports Last Modified: Febri.JBry 26, 2015 Page 2 of 3

4Q/2014 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

1Q/2015 Performance Summary - Prairie Island 2 Prairie Island 2 1Q/2015 Performance Summary Page 1 of 3

1Q/2015 Performance Summary - Prairie Island 2 Legend : R=Red W=Wh i t e G"N;=Gr eat e r 'l'han Gr,e en I = I n a uffici ent Data t o Ca l cul a t e PI U=Uni que Dea i ,g n Y=Ye ll ow G=Gr e en 'l'='l'hreah o l d a unde r dev e l op ment N=Not Appli cabl e O=Di acr e p ant Reactor Radiation Safeguards Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Most Significant Inspection Findings 10!2015 1=-= 1=-= 1=-= 1=-=

40!20141=-= 1=-= 1=-= 1=-= 1=-= 1=-=

1=-= 1=-= 1=-= 1=-= 1=-=

20!2014 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 10/2015 + List of Security IR Cover Letters

+ List of Assessment Letters/Inspection Plans 40/2014

+ Baseline Inspection Completion Information 30/2014 20/2014

+ Cross Reference Of Assessment Reports Last Modified: June 16, 2015 Page 2 of 3

1Q/2015 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

2Q/2015 Performance Summary - Prairie Island 2 Prairie Island 2 2Q/2015 Performance Summary Page 1 of 3

2Q/2015 Performance Summary - Prairie Island 2 Legend : R=Red W=Wh i t e G~Gr eat e r 'l'han Gr,e en I = I n auffi c i ent Data to Calculat e PI U=Uni que Deai,g n Y=Yellow G=Green 'l'='l'hreahol d a unde r devel op ment N=Not Appli cable O=Dia crep ant Reactor Radiation Safeguards Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Most Significant Inspection Findings 20!20151=-= 1=-= 1=-= 1=-= 1=-= 1=-= 1=-=

10!2015 1=-= 1=-= 1=-= 1=-= 1=-=

40!20141=-= 1=-= 1=-= 1=-= 1=-= 1=-=

30!20141=-= 1=-= 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 20/2015 + List of Security IR Cover Letters

+ List of Assessment Letters/Inspection Plans 10/2015

+ Baseline Inspection Completion Information 40/2014 30/2014

+ Cross Reference Of Assessment Reports Last Modified: A1.Jg1.Jst 7, 2015 Page 2 of 3

2Q/2015 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

3Q/2015 Performance Summary - Prairie Island 2 Prairie Island 2 3Q/2015 Performance Summary Page 1 of 3

3Q/2015 Performance Summary - Prairie Island 2 Legend : R=Red W=Wh i t e G~Gr eat e r 'l'han Gr,e en I = I n auffi c i ent Data to Calculat e PI U=Uni que Deai,g n Y=Yellow G=Green 'l'='l'hreahol d a unde r devel op ment N=Not Appli cable O=Dia crep ant Reactor Radiation Safeguards Safety Safety T T Occupational Public Initiating Mitigating Barrier Emergency Radiation Radiation Security Events Systems Integrity Preparedness Safety Safety Most Significant Inspection Findings 30!20151=-= 1=-= 1=-= 1=-= 1=-= 1=-=

20!20151=-= 1=-= 1=-= 1=-= 1=-= 1=-= 1=-=

10!2015 1=-= 1=-= 1=-= 1=-= 1=-=

40!20141=-= 1=-= 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 30/2015 + List of Security IR Cover Letters

+ List of Assessment Letters/Inspection Plans 20/2015

+ Baseline Inspection Completion Information 10/2015 40/2014

+ Cross Reference Of Assessment Reports Last Modified: December 15, 2015 Page 2 of 3

3Q/2015 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

4Q/2015 Performance Summary - Prairie Island 2 Prairie Island 2 4Q/2015 Performance Summary Page 1 of 3

4Q/2015 Performance Summary - Prairie Island 2 Legend : R= R ed W=Whi t e G'l"G=Gr,e at e r 'l'han Gr,e en I = I n a uffi c i ent Da ta to Ca l cul a t e P I U= Uni que Dea i ,gn Y= Ye l l ow G=Green 'l'='l'hre ahol d a unde r d e v e l o pment N= Not Appl i cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 40!2015 1=-= 1=-= 1=-= 1=-=

30!20151=-= 1=-= 1=-= 1=-= 1=-= 1=-=

20!20151=-= 1=-= 1=-= 1=-= 1=-= 1=-= 1=-=

10!2015 1=-= 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 40/2015 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 30/2015

+ Baseline Inspection Completion Information 20/2015 10/2015

+ Cross Reference Of Assessment Reports Last Modified: March 2, 2016 Page 2 of 3

4Q/2015 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

1Q/2016 Performance Summary - Prairie Island 2 Prairie Island 2 1Q/2016 Performance Summary Page 1 of 3

1Q/2016 Performance Summary - Prairie Island 2 Legend : R= R ed W=Whi t e G'l"G=Gr,e at e r 'l'han Gr,e en I = I n a uffi c i ent Da ta to Ca l cul a t e P I U= Uni que Dea i ,gn Y= Ye l l ow G=Green 'l'='l'hre ahol d a unde r d e v e l o pment N= Not Appl i cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 10!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-=

40!2015 1=-= 1=-= 1=-= 1=-=

30!20151=-= 1=-= 1=-= 1=-= 1=-= 1=-=

20!20151=-= 1=-= 1=-= 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 10/2016 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 40/2015

+ Baseline Inspection Completion Information 30/2015 20/2015

+ Cross Reference Of Assessment Reports Last Modified: JIJ/y 11, 2016 Page 2 of 3

1Q/2016 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

2Q/2016 Performance Summary - Prairie Island 2 Prairie Island 2 2Q/2016 Performance Summary Page 1 of 3

2Q/2016 Performance Summary - Prairie Island 2 Legend : R= R ed W=Whi t e G'l"G=Gr,e at e r 'l'han Gr,e en I = I n a uffi c i ent Da ta to Ca l cul a t e P I U= Uni que Dea i ,gn Y= Ye l l ow G=Green 'l'='l'hre ahol d a unde r d e v e l o pment N= Not Appl i cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 20!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-=

10!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-=

40!2015 1=-= 1=-= 1=-= 1=-=

30!20151=-= 1=-= 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 20/2016 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 10/2016

+ Baseline Inspection Completion Information 40/2015 30/2015

+ Cross Reference Of Assessment Reports Last Modified: AiJgiJst 29, 2016 Page 2 of 3

2Q/2016 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

3Q/2016 Performance Summary - Prairie Island 2 Prairie Island 2 3Q/2016 Performance Summary Page 1 of 3

3Q/2016 Performance Summary - Prairie Island 2 Legend : R= R ed W=Whi t e G'l"G=Gr,e at e r 'l'han Gr,e en I = I n a uffi c i ent Da ta to Ca l cul a t e P I U= Uni que Dea i ,gn Y= Ye l l ow G=Green 'l'='l'hre ahol d a unde r d e v e l o pment N= Not Appl i cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 30!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-= 1=-=

20!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-=

10!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-=

40!2015 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 30/2016 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 20/2016

+ Baseline Inspection Completion Information 10/2016 40/2015

+ Cross Reference Of Assessment Reports Last Modified: December 8, 2016 Page 2 of 3

3Q/2016 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

4Q/2016 Performance Summary - Prairie Island 2 Prairie Island 2 4Q/2016 Performance Summary Page 1 of 3

4Q/2016 Performance Summary - Prairie Island 2 Legend : R= R ed W=Whi t e G'l"G=Gr,e at e r 'l'han Gr,e en I = I n a uffi c i ent Da ta to Ca l cul a t e P I U= Uni que Dea i ,gn Y= Ye l l ow G=Green 'l'='l'hre ahol d a unde r d e v e l o pment N= Not Appl i cabl e D=Di a cre p ant Reactor Radiation Safeguards Safety Safety

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Most Significant Inspection Findings 40!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-= 1=-=

30!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-= 1=-=

20!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-=

10!20161=-= 1=-= 1=-= 1=-= 1=-= 1=-=

Miscellaneous findings Additional Inspection & Assessment Information

+ Assessment Reports/Inspection Plans: + List of Inspection Reports (IR) 40/2016 + List of Security IR Cover Letters

+ List of Assessment Letters/I nsp e cti on PI ans 30/2016

+ Baseline Inspection Completion Information 20/2016 10/2016

+ Cross Reference Of Assessment Reports Last Modified: Febr1Jaty 1, 2017 Page 2 of 3

4Q/2016 Performance Summary - Prairie Island 2 Action Matrix Summary l Inspection Findings Summary l PI Summary l Reactor Oversight Process Page 3 of 3

NRC: Prairie Island 2 - Quarterly Performance Summary Home > Nuclear Reactors > Operating Reactors > Reactor Oversight Process > Plant Summaries > Prairie Island 2 -

Quarterly Performance Summary Prairie Island 2 - Quarterly Performance Summary 2Q/2017 Performance Summary Page 1 of 4

NRC: Prairie Island 2 - Quarterly Performance Summary Reactor Radiation Safeguards Safety Safety

~ ~ T T Initiating Events ~

_. Barrier Integrity Emergency Preparedness 0cc upat ional Radiation Public Radiation Security Safety Safety Performance Indicators C1.Jrrent data as of." May 25, 2017 Page 2 of 4

NRC: Prairie Island 2 - Quarterly Performance Summary Reactor Radiation Safeguards Safety Safety