ALTERNATIVE INTAKE TECHNOLOGIES 

AT INDIAN POINT UNITS 2 & 3 

Attachment 3 

Attachment 3 

Evaluation of VSP Performance 

Section 1: Hudson River Temperature Recovery Rate 

Section 2: PEPSE Models for IPEC Units 2 and 3 

Section 3: Maximum Monthly VSP Power Losses 
 ALTERNATIVE INTAKE TECHNOLOGIES 

AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 1: Hudson River Temperature Recovery Rate 

Page 2 of 15 

Table 3-1 Hudson River Temperature Data 

Recovery Rate 

Month Recover Rate (%)

January 100.0% 

February 100.0% 

March 99.6% 

April 100.0% 

May 99.6% 

June 100.0% 

July 100.0% 

August 99.6% 

September 99.2% 

October 100.0% 

November 100.0% 

December 100.0% 

Average Annual 99.8% 1

 Based on daily inlet water temperature measured from 2001 through 

2008. 
 ALTERNATIVE INTAKE TECHNOLOGIES 

AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 3 of 15 

Figure 3-1 IPEC Unit 2 PEPSE Model, Sheet 1
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 4 of 15 

Figure 3-2 IPEC Unit 2 PEPSE Model, Sheet 2
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 5 of 15 

Figure 3-3 IPEC Unit 2 PEPSE Model, Sheet 3
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 6 of 15 

Figure 3-4 IPEC Unit 2 PEPSE Model, Sheet 4
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 7 of 15 

Figure 3-5 IPEC Unit 2 PEPSE Model, Sheet 5
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 8 of 15 

Figure 3-6 IPEC Unit 2 PEPSE Model, Sheet 6
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 9 of 15 

Figure 3-7 IPEC Unit 3 PEPSE Model, Sheet 1
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 10 of 15 

Figure 3-8 IPEC Unit 3 PEPSE Model, Sheet 2
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 11 of 15 

Figure 3-9 IPEC Unit 3 PEPSE Model, Sheet 3
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 12 of 15 

Figure 3-10 IPEC Unit 3 PEPSE Model, Sheet 4
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 13 of 15 

Figure 3-11 IPEC Unit 3 PEPSE Model, Sheet 5
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AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 2: PEPSE Models for IPEC Units 2 and 3 

Page 14 of 15 

Figure 3-12 IPEC Unit 3 PEPSE Model, Sheet 6
 ALTERNATIVE INTAKE TECHNOLOGIES 

AT INDIAN POINT UNITS 2 & 3 

Attachment 3, Section 3: Maximum Monthly VSP Power Losses 

Page 15 of 15 

Table 3-2 Maximum Unit 2 Circulating Water Flow Reduction Power Losses1

Month 

Circulating Water Flow Reduction (MWe) 

5% 10% 15% 20% 25% 

January -0.1 -0.3 -0.4 -0.7 -0.9 

February -0.1 -0.3 -0.4 -0.7 -1.0 

March -0.1 -0.3 -0.4 -0.7 -0.9 

April 0.3 0.7 0.9 1.0 1.8 

May 1.5 3.4 5.6 8.3 11.5 

June 2.1 4.5 7.3 10.6 14.5 

July 2.4 5.3 8.5 12.2 16.4 

August 2.4 5.3 8.5 12.2 16.3 

September 2.3 4.9 8.0 11.4 15.5 

October 2.0 4.3 7.0 10.3 14.0 

November 1.0 2.1 3.4 5.3 8.0 

December 0.3 0.7 0.9 1.0 1.9 

Average Annual 2.4 5.3 8.5 12.2 16.4 1

 Based on daily inlet water temperature measured from 2001 through 2008. 

2

 Atypical inlet water tempertures less than 40°F excluded to remove effect of unstable cooling 

proprieties of water near the freezing point 

Table 3-3 Maximum Unit 3 Circulating Water Flow Reduction Power Losses1

Month 

Circulating Water Flow Reduction (MWe) 

5% 10% 15% 20% 25% 30% 35% 40% 45% 

January -0.1 -0.3 -0.5 -0.8 -1.1 -1.9 -3.3 -4.2 -4.0 

February -0.1 -0.3 -0.5 -0.8 -1.1 -1.9 -3.3 -4.2 -4.5 

March -0.1 -0.3 -0.5 -0.8 -1.1 -1.9 -3.2 -4.1 -3.8 

April -0.1 -0.3 -0.5 -0.8 -1.1 -0.9 -0.3 0.3 2.5 

May 0.4 1.1 2.1 3.3 5.3 8.0 11.6 16.6 23.3 

June 1.5 3.2 5.4 8.1 11.4 15.6 20.5 26.9 35.0 

July 2.2 4.8 7.7 11.2 15.2 20.2 26.0 35.6 80.5 

August 2.2 4.8 7.7 11.1 15.2 20.1 26.0 35.4 79.2 

September 1.9 4.2 6.9 10.1 13.8 18.4 23.9 30.7 43.5 

October 1.3 2.9 4.9 7.4 10.5 14.4 19.3 25.4 33.3 

November 0.2 0.5 0.8 1.0 1.9 3.4 5.6 9.2 14.6 

December -0.1 -0.3 -0.5 -0.8 -1.1 -0.8 -0.2 0.4 2.7 

Average Annual 2.2 4.8 7.7 11.2 15.2 20.2 26.0 35.6 80.5 

1

 Based on daily inlet water temperature measured from 2001 through 2008. 2

 Atypical inlet water temperatures less than 40°F excluded to remove effect of unstable cooling proprieties of water near the 

freezing point