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-Background 

The 2022 State of the Interconnection (SOTI) is a summary of the past year’s performance and review of trends in the Western Interconnection. The SOTI gathers data from a variety of sources to provide a comprehensive summary of information on the reliability and security of the bulk power system (BPS). 

-How to Use This Report 

The SOTI is a reference tool divided into sections that you can access using the navigation bar on the left. Each section is divided into pages that focus on a specific topic.  

 

-Interacting with Charts and Maps 

Many pages feature interactive charts that allow you to explore the data presented. In many cases, you can apply custom filters or delve into certain data sets for more detail. Most maps are interactive, with some allowing you to zoom in and out and switch between different layers.