ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 LossesALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 temp erature measured from 2001 through 2008.ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 1ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 2ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 3ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 4ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 5ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 6ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 1ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 2ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 3ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 4ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 5ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 6ALTERNATIVE INTAKE TECHNOLOGIES AT INDIAN POIN T 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 Losses 1

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 temper ature 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 Losses 1

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 temper ature measured from 2001 through 2008. 2 Atypical inlet water temperatures less than 40 ° F excluded to remove effect of unstabl e cooling proprieties of water near the freezing point