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EU29 Reliability (Customer) - SAIDI

Duration

F2007

F2008

F2009

F2010

F2011

Normalized Actual

2.87

3.40

4.15

3.47

3.29

Target

2.64

2.64

2.82

2.73

2.62



SAIDI is the average interruption in hours per customer served. Normalized SAIDI, excluding major events, is worse than Plan due to longer-than-planned outage restoration time. Tansmission and substation outages, trees and tree branches falling on power lines, equipment failure and adverse weather are the leading causes of unfavourable SAIDI performance.