Our Service Commitment

SMECO makes every reasonable effort to provide continuous and uninterrupted service to our customer-members. We monitor service reliability using three indices established by the electric utility industry.

  1. System Average Interruption Duration Index: SAIDI indicates the average number of hours each of SMECO’s more than 165,000 customers was without electric service during the calendar year. In 2018, the average SMECO customer experienced power outages for 1.88 hours, not including major storms.
  2. System Average Interruption Frequency Index: SAIFI indicates the average number of times each customer experienced a sustained service interruption during the calendar year. In 2018, the average SMECO customer experienced 1.23 sustained service interruptions, not including major storms.
  3. Customer Average Interruption Duration Index: CAIDI indicates the duration, in hours, of the average sustained electric service interruption during the calendar year for those customers who experienced an outage. In 2018, the average SMECO customer who experienced an outage was without power for 1.52 hours, not including major storms.

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