PUC Annual ReportâFiscal Year 2004-05 - Public Utilities Commission

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Public Utilities Commission Annual Report 2004-05State of Hawaii Page 7090.00Figure 44HECO Customer Average Interruption Duration (CAID)(Lower is better)85.0080.0079.0675.00Minutes70.0065.0070.1667.4666.3660.0055.0050.0057.592000 2001 2002* 2003 2004**Year*Data normalized to exclude 12/19/02 AES Load Shedding outage**Data normalized to exclude 1/14/04-1/15/04 High Winds, 2/26/04-2/28/04 Storm, and 3/3/04Pukele OutagesFigure 44 shows the CAID for 2004 ranked the worst in the past five (5) years inminimizing the time a customer was out of service. An increase in response times were noted forCable Failures (13 minutes), Equipment Deterioration (41 minutes) and High Winds (63 minutes)over the 2003 results.The average electrical outage duration (CAID) for 2004 was 79.06 minutes. Within thelast five (5) years, 2004 had the longest duration increase (CAID) with nearly 22 minutes over2003 results.
Public Utilities Commission Annual Report 2004-05State of Hawaii Page 71130.00Figure 45HECO System Average Interruption Duration (SAID)(Lower is better)120.00118.81110.00100.0095.03100.39Minutes90.0080.0070.0088.7576.5860.0050.0040.002000 2001 2002* 2003 2004**Year*Data normalized to exclude 12/19/02 AES Load Shedding outage**Data normalized to exclude 1/14/04-1/15/04 High Winds, 2/26/04-2/28/04 Storm, and 3/3/04Pukele OutagesFigure 45 shows the SAID indices for the past five (5) years. It shows that the 2004 SAIDof 100.39 minutes was the second highest during the last five (5) years. The SAID is thecomposite of both the SAIF and CAID indices and produces a broader benchmark of systemreliability by combining both the duration and the number of customer interruptions during a givenperiod of time. The higher SAID result was due to an increase in the CAID statistics as notedpreviously.2. MECO 2004 SERVICE QUALITY – NORMALIZED RESULTS.The following MECO electric utility service quality discussion is based on or excerpteddirectly from the MECO Annual Service Reliability Report 2004 submitted to the Commission byMECO. The report covers the 2004 calendar year. A complete copy is available for review at theCommission’s office and will be made available on the Commission’s website.The average number of electric customers increased from 60,651 in 2003 to 61,846 in2004 (a 1.97% increase). The peak 2004 demand for the system was 210.9 MW (gross) thatoccurred on October 11, 2004. This peak 2004 demand is now the highest peak demand for thesystem, increasing from 202.0 MW (gross) on December 30, 2003 (a 4.4% increase).To determine the relative level of reliability, the statistics for four (4) prior years,2000 through 2003, are used for comparison.
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PUC Annual ReportâFiscal Year 2004-05 - Public Utilities Commission

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PUC Annual ReportâFiscal Year 2004-05 - Public Utilities Commission