Reliability Report -- 1999 - Pennsylvania Public Utility Commission
Reliability Report -- 1999 - Pennsylvania Public Utility Commission
Reliability Report -- 1999 - Pennsylvania Public Utility Commission
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The rolling 12-month averages for the first, second and fourth quarters of<br />
2005 were worse than the standard. For the 12 months ending March 2006,<br />
Penelec met the CAIDI standard.<br />
The next two graphs show trends in the frequency of service interruptions<br />
from 1994 to 2005, and for the four quarters of 2005 and the first quarter of 2006,<br />
compared to the established benchmarks and standards.<br />
Annual SAIFI values have exceeded the performance standard for the past<br />
four years. The rolling 12-month averages for each of the four quarters of 2005<br />
and the first quarter of 2006 consistently exceeded the standard by a sizable<br />
margin and are trending toward worse performance. The SAIFI value for the 12<br />
months ending March 2006 was 23% worse than the standard.<br />
<strong>Pennsylvania</strong> Electric Company<br />
System Average Interruption Frequency Index (SAIFI)<br />
2.0<br />
1.8<br />
1.6<br />
Rolling 12-Month<br />
Standard<br />
Frequency<br />
1.4<br />
1.2<br />
Benchmark<br />
1.0<br />
0.8<br />
0.6<br />
1994 1995 1996 1997 1998 <strong>1999</strong> 2000 2001 2002 2003 2004 2005<br />
24<br />
<strong>Pennsylvania</strong> <strong>Public</strong> <strong>Utility</strong> <strong>Commission</strong>
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