Reliability Report -- 1999 - Pennsylvania Public Utility Commission

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The following graphs depict trends in the duration of service interruptions for the Pike County system from 1994 to 2005, and for the four quarters of 2005 and the first quarter of 2006, compared to the established benchmarks and standards. Pike County Light & Power Company Customer Average Interruption Duration Index (CAIDI) 400 350 300 Rolling 12-Month Standard Minutes 250 200 Benchmark 150 100 50 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Electric Service Reliability in Pennsylvania 51
Pike County Light & Power Company Customer Average Interruption Duration Index (CAIDI) 300 Rolling 12-Month Standard 250 200 Benchmark Minutes 150 100 50 0 Mar-05 Jun-05 Sep-05 Dec-05 Mar-06 12 Months Ending The annual CAIDI values have improved over the past three years, and the 2005 CAIDI is at its lowest level in the past 12 years. Rolling 12-month averages for the four quarters of 2005 and the first quarter of 2006 were better than the benchmark. The next two graphs depict trends in the frequency of service interruptions for the Pike County system from 1994 to 2005, and for the four quarters of 2005 and the first quarter of 2006, compared to the established benchmarks and standards for SAIFI. 52 Pennsylvania Public Utility Commission
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ElectricService Reliabilityin Penns
Page 3 and 4:
EXECUTIVE SUMMARY The Electricity G
Page 5 and 6: TABLE OF CONTENTS SECTION 1 - INTRO
Page 7 and 8: Subsequently, on December 16, 1999,
Page 9 and 10: included is the data used in calcul
Page 11 and 12: the reliability performance of the
Page 13 and 14: Utility Specific Performance Data A
Page 15 and 16: As seen here, CAIDI improved from t
Page 17 and 18: Allegheny Power System 2005 Outage
Page 19 and 20: Duquesne Light Company Customer Ave
Page 21 and 22: The graph below shows the distribut
Page 23 and 24: Metropolitan Edison Company Custome
Page 25 and 26: Metropolitan Edison Company System
Page 27 and 28: the SAIFI benchmark was increased f
Page 29 and 30: The rolling 12-month averages for t
Page 31 and 32: 14.0% of total incidents, 18.5% of
Page 33 and 34: Pennsylvania Power Company Customer
Page 35 and 36: Pennsylvania Power Company System A
Page 37 and 38: In 2005, PECO’s customers experie
Page 39 and 40: PECO Energy Company System Average
Page 41 and 42: PECO Energy Company 2005 Outage Cau
Page 43 and 44: PPL Electric Utilities Corporation
Page 45 and 46: PPL’s SAIFI was below the benchma
Page 47 and 48: UGI Utilities, Inc. Customer Averag
Page 49 and 50: UGI Utilities, Inc. System Average
Page 51 and 52: determine the type of each event ex
Page 53 and 54: Citizens' Electric Company System A
Page 55: Pike County Light & Power Company P
Page 59 and 60: For 2003 and 2004, SAIFI has been a
Page 61 and 62: November 28, 2005: severe weather e
Page 63 and 64: Wellsboro Electric Company System A
Page 65 and 66: SECTION 4 - INSPECTION AND MAINTENA
Page 67 and 68: In addition to monitoring the relia
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Reliability Report -- 1999 - Pennsylvania Public Utility Commission

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