Reliability Operating Procedures 

As a Reliability Coordinator (RC) and Regional Transmission Organization (RTO), MISO ensures real-time operating reliability of the interconnected bulk electric system (BES) within the MISO reliability footprint. Standardized operating procedures help us do this.

 
Members and market participants play an important role in the ongoing development, review and updating of public and protected operating procedures. This helps ensure that everyone understands and follows appropriate and consistent steps when managing or mitigating normal, abnormal and emergency events on the BES.

For help finding or accessing a Reliability Operating Procedure, please email the Real-Time Operations - Process and Performance Department.

Reliability Operating Procedure Mailing List
Receive notification when public operating procedures are out for review or when an updated version is posted as effective.


Public Operating Procedures

Normal Operating Procedures

Used during normal grid operations or, in some instances, to prevent an emergency, Normal Operating Procedures (NOPs) guide our operation of the bulk electric system (BES).

In general, we anticipate and plan ahead "normal" system events, and we make the documented procedures publicly available—with unrestricted access.

Abnormal Operating Procedures

We utilize Abnormal Operating Procedures (AOPs) during events triggered by malfunctioning software systems or another type of infrastructure problem affecting MISO or its members. These procedures may include, but are not limited to, the back-up process used when a particular system fails. The procedures assume the BES is not at risk and helps prevent potential risk factors. In general, we pre-determine these types of procedures and make them publicly available.

Emergency Operating Procedures

We use Emergency Operating Procedure (EOP) when an event occurs on the BES that is considered an emergency or results in emergency conditions on the BES. We make some of these available for public access.

Specification Procedures

We collect data from Market Participants to facilitate the development of models that support real-time operations. We also receive information used to ensure our IT systems maintain the ability to communicate with our Market Participants' systems. Specification Procedures describe what data is required and in what format it should be provided. We make these procedures public.

Protected Procedures (Semi-Public)

To access semi-public or protected procedures, log on to the MISO Extranet.

Temporary or Interim Operating Procedures

Temporary or Interim Operating Procedures must be implemented immediately or quickly enough to make the normal, controlled review and release process unfeasible. Therefore, we initiate review of these procedures in parallel with their posting. These procedures may be publicly available, protected or confidential, depending upon their nature.

 Public Operating Procedures

 Under Review

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