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Energy Management System (EMS)

Given the dynamic nature of the BPS, operators need to have certain essential capabilities and up-to-date information that allow for informed decision-making to ensure reliability. ReliabilityFirst has observed an increase in EMS-related events, and in addition to monitoring and analyzing these events, has escalated communications on this topic. 

Due to NERC’s existing EMS-related resources and expertise, ReliabilityFirst has strategically paired with NERC on several efforts, including actively participating in the NERC EMS Working Group, presenting at the NERC Monitoring and Situational Awareness Conference, and taking a substantial role in the publication of EMS lessons learned and reference documents. 

Included below are several EMS reference documents, which include summaries of EMS issues, details and corrective actions associated with those issues.Capture.PNG

NERC Reference Papers, Reliability Guidelines, and Lessons Learned Documents

This section contains documents have been created and vetted by the EMS Working Group, Event Analysis Subcommittee, and/or the NERC Operating Committee to provide valuable guidance regarding situational awareness. These documents not only explain the importance of situational awareness (specifically EMS functionality), but also can provide insight for improving controls and implementing loss of data procedures.  

 North American Transmission Forum Documents

This section contains reference documents from the North American Transmission Forum (NATF) that explore the risk of losing EMS functionality.  

 ReliabilityFirst Guidance on Loss of EMS Functionality Documents

This section contains reference documents from ReliabilityFirst staff on the loss of Situational Awareness, to (1) communicate key findings and identified risks, and (2) to share best practices, controls, and mitigation strategies.

 EMS Design and Smart Grids Documents

This section includes documents that can help when considering your EMS architecture, including integration with other technologies (e.g. Smart Grids) to increase and promote situational awareness.