Distribution System Reliability Performance Targets

Case number

The OEB concluded an initiative to establish specific performance targets related to distribution system reliability. The objectives of this initiative included:

  • Establishing specific performance targets for the existing system reliability measures. (System Average Interruption Duration Index, and System Average Interruption Frequency Index)
  • Considering the development of customer specific reliability measures (e.g. customers experiencing multiple interruptions), and address the monitoring of momentary outages.

Related policy initiatives:

Date Issue / Document
December 7, 2015

The OEB has commenced a new initiative to define a “Major Event” that will be used to normalize reliability performance data, develop reporting to evaluate a distributor’s response to a Major Event and establish “customer specific” system reliability measures.

August 25, 2015

The OEB has issued its Report setting out Electricity Distribution System Reliability Measures and Expectations. 

August 22, 2014

The OEB has received the following submissions on the Staff Discussion Paper.

July 15, 2014

Board Staff have issued a Discussion Paper regarding the establishment specific performance targets related to distribution system reliability. 

To view previous materials related to system reliability initiatives please click here

Cost Award Matters
Cost Award Matters
Date Issue / Document
December 11, 2015

The OEB has issued its Decision and Order on Cost Awards.

September 3, 2015

The OEB has issued a Notice of Hearing for Cost Awards in relation to this initiative.

August 19, 2014

The OEB has issued its Decision on Cost Eligibility in relation to this initiative.

July 28, 2014

The OEB has posted requests for cost eligibility received in relation to participation in this initiative.