PSE&G: Focus on Electric Reliability

Customer Average Interruption Duration Index (CAIDI)

Average time to restore service for an extended interruption

2001 2002 2003

.55

.81

.63

1st Quartile=.86

% of Customers

GOOD

System Average Interruption Frequency Index (SAIFI)

Fraction of total customers who experience extended interruptions

Minutes

2001 2002 2003

84.8

100.4

79.9

1st Quartile=73.6

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