Reliability Report -- 1999 - Pennsylvania Public Utility Commission

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SECTION 5 – CONCLUSION Over the past few years, electric service reliability has been under increased scrutiny in Pennsylvania. The Electricity Generation Customer Choice and Competition Act mandates that the Commission ensure that levels of reliability that existed prior to the restructuring of the electric utility industry continue in the new competitive markets. In response to this mandate, the Commission adopted reporting requirements designed to ensure the continuing safety, adequacy and reliability of the generation, transmission and distribution of electricity in the Commonwealth. The Commission also established reliability benchmarks and standards with which to measure the performance of each electric distribution company (EDC). Given the uncertainty of weather and other events that can affect reliability performance, the Commission has stated that EDCs should set goals to achieve benchmark performance or better to allow for those times when unforeseen circumstances push the indices above the benchmark. In recognition of these unforeseen circumstances, the Commission set the performance standard as the minimum level of EDC reliability performance. The standard is the level of performance beyond which the company must either justify its poor performance or provide information on the corrective measures it will take to improve performance. Performance that does not meet the standard for any reliability measure may be the threshold for triggering additional scrutiny and potential compliance enforcement actions. In 2005, two of the 11 EDCs failed to meet their rolling 12-month performance standards for the average duration of service outages per affected customer, while six EDCs performed better than the benchmark. Four EDCs failed to meet their rolling 12-month performance standards for the average frequency of service outages per customer, while five EDCs performed better than the benchmark. Five EDCs petitioned the Commission to amend their performance benchmarks and standards. The Commission adjusted benchmarks and standards for four of these EDCs. Depending on the outcome of the remaining proceeding, our view of the acceptability of the remaining EDC’s past performance may change. In the interim, we will continue to closely monitor the reliability performance of all the EDCs. Electric Service Reliability in Pennsylvania 61
In addition to monitoring the reliability performance of the EDCs, the Commission has initiated a rulemaking proceeding to determine the type and scope of inspection and maintenance standards that would be appropriate for electric transmission and distribution systems. 62 Pennsylvania Public Utility Commission
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ElectricService Reliabilityin Penns
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EXECUTIVE SUMMARY The Electricity G
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TABLE OF CONTENTS SECTION 1 - INTRO
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Subsequently, on December 16, 1999,
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included is the data used in calcul
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the reliability performance of the
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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 and 56: Pike County Light & Power Company P
Page 57 and 58: Pike County Light & Power Company C
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: SECTION 4 - INSPECTION AND MAINTENA
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Reliability Report -- 1999 - Pennsylvania Public Utility Commission

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