WECC Reliability and Security indicators provide an overview of system health
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April 1, 2022
Summary:
The WECC Reliability and Security indicators provide an overview of system health for stakeholders and the general public. These indicators will be updated quarterly with new data and will change as our system reliability and security risks change. Each indicator is based on datasets and analyses that are described in detail under each indicator. This dashboard provides a good location to view WECC's perspective on key indicators. It currently consists of eight indicators that are either currently active and populated or are under development. Indicator Number 7, "Proportion of Entities With Repeated or Coincident Potential Compliance Violations," can be a very telling indicator in regards to compliance culture and corrective action effectiveness.
Additional Discussion:
WECC’s Reliability and Security Indicators replace the former Reliability and Security Index and represent a first step toward improving how WECC measures the health of the Bulk Power System. It is expected that these indicators will be enhanced over time. They will be reviewed on a regular basis to make improvements wherever possible. WECC’s Reliability and Security Indicators are updated each quarter to reflect new data received. As new data is validated and analyzed each quarter, the colors, data diagrams, and indicator analysis assessments for each indicator are updated in the dashboard. These quarterly updates occur roughly three weeks prior to each quarterly WECC Board of Directors meeting. The Reliability and Security Indicators are based on several datasets, some of which are available relatively quickly, and one of which is not stable until more than 75 days after the end of each quarter. The indicators cover the same time period for clarity. Otherwise, the dashboard would confusingly display the status of different indicators for different quarters. While the indicators are updated, reviewed, analyzed, and approved as promptly as possible, data timing constraints require that the indicators lag by roughly two quarters. For example, the indicator update that occurs in Q1 of 2022 reflects Q3 2021 data.
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