Transmission Substation2004 Storm Season

Transmission & Substation

2

HURRICANE CHARLEYAugust 13, 2004

Transmission Sections Locked Out ………………………… 44

Transmission Structures Effected ………………………….. 220Transmission Structures Reported Down ……… 75Transmission Structures Reported Leaning …… 145

Transmission Phases Down …………………………………. 146

Sections Locked Out with Trees on Line …………………… 20

Transmission & Substation

3

HURRICANE CHARLEYAugust 13, 2004

Distribution Substations Out of Service …………………… 14

Failed Substation Transformers …………………………….. 1

Substation Regulators Effected ……………………………... 4

Switches Effected …………………………….………………… 0

Arrester Failures (# of Substations) ………………………… 5

Breaker Failures (Total) ………………………………………. 8Transmission Breakers …………………………….. 2Distribution Breakers ………………………………. 6

Restoration (# of Days After Storm Passes) ……………… 2

Transmission & Substation

4

HURRICANE CHARLEYAugust 13, 2004

Arcadia-Charlotte 69 kV Section

Transmission & Substation

5

HURRICANE CHARLEYAugust 13, 2004

Charlotte-Deepcreek 230 kV SectionPeace River Crossing

FiberCable

Transmission & Substation

6

HURRICANE CHARLEYAugust 13, 2004

Arcadia-Charlotte 69 kV Section

Transmission & Substation

7

HURRICANE CHARLEYAugust 13, 2004

Charlotte-Polo 230 kV Section

Transmission & Substation

8

HURRICANE FRANCESSeptember 3, 2004

Transmission Sections Locked Out ………………………… 108

Transmission Structures Effected ………………………….. 150Transmission Structures Reported Down ……… 56Transmission Structures Reported Leaning …… 94

Transmission Phases Down …………………………………. 47

Sections Locked Out with Trees on Line …………………… 29

Transmission & Substation

9

HURRICANE FRANCESSeptember 3, 2004

Distribution Substations Out of Service …………………… 54

Failed Substation Transformers …………………………….. 1

Substation Regulators Effected ……………………………... 5

Switches Effected …………………………….………………… 2

Arrester Failures (# of Substations) ………………………… 5

Breaker Failures (Total) ………………………………………. 20Transmission Breakers …………………………….. 1Distribution Breakers ………………………………. 19

Restoration (# of Days After Storm Passes) ……………… 2

Transmission & Substation

10

HURRICANE FRANCESSeptember 3, 2004

Port Mayaca-Bryant 69 kV Section

Transmission & Substation

11

HURRICANE FRANCESSeptember 3, 2004

Alva-Orange River 230 kV Section

Transmission & Substation

12

HURRICANE JEANNESeptember 25, 2004

Transmission Sections Locked Out ………………………… 80

Transmission Structures Effected ………………………….. 129Transmission Structures Reported Down ……… 48Transmission Structures Reported Leaning …… 81

Transmission Phases Down …………………………………. 88

Sections Locked Out with Trees on Line …………………… 9

Transmission & Substation

13

HURRICANE JEANNESeptember 25, 2004

Distribution Substations Out of Service …………………… 30

Failed Substation Transformers …………………………….. 1

Substation Regulators Effected ……………………………... 1

Switches Effected …………………………….………………… 4

Arrester Failures (# of Substations) ………………………… 2

Breaker Failures (Total) ………………………………………. 14Transmission Breakers …………………………….. 0Distribution Breakers ………………………………. 14

Restoration (# of Days After Storm Passes) ……………… 2

Transmission & Substation

14Saint Lucie Substation

HURRICANE JEANNESeptember 25, 2004