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Reliability is an indication of how well the system performs at delivering power to our customers.

Reliability has to do with complete interruptions of power. It does not cover momentary outages or power quality issues.

What factors are related to reliability?

  • number of customers
  • duration of the interruption
  • frequency of interruptions


pdf System Reliability April 2019 (1.34 MB)


Our mission: Serve our community with high value utility services at the lowest practical cost.


Hours of Operation: Weekdays 8:00-5:00
PO Box 480
2720 Sumner Ave
Aberdeen, WA  98520
360-532-4220
800-562-7726
Email Customer Service

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