Operating Procedures

ERCOT documents its processes and procedures for reliable daily grid operation and emergency actions. Locate these procedures below.

ERCOT sometimes uses Temporary Changes that are separate from the actual procedure. These can be found in the Power Operations Bulletins section of this site. Please note that some Temporary Changes contain market sensitive or protected information. This small set of special procedures containing market sensitive information is not posted.

  • DC Tie Operating Procedure
    Procedure for the system operator assigned to the DC Tie Desk, which is reponsible for energy transactions into and out of the ERCOT grid across the DC Ties; January 19, 2012, version 1.0, rev 12
    (01/18/12, .doc, 599 KB)
  • Day-Ahead Market Operating Procedure Manual
    Describes the detailed procedures performed by the Day-Ahead Market (DAM) operators in executing DAM and associated processes.
    (01/31/12, .doc, 506.5 KB)
  • ERCOT DC Tie Operations
    NERC Tagging, Interchange Scheduling, Normal and Emergency Operations, and Inadvertent Accounting
    (02/03/11, .doc, 285.5 KB)
  • Inadvertent Energy Procedure
    Procedure for monitoring and controlling inadvertent flows across the DC Ties
    (10/01/09, .doc, 478 KB)
  • Non-Spinning Reserve Service Deployment
    View TAC approved high level ERCOT process for the deployment and recall of Non-Spinning Reserve Service.
    (03/29/11, .doc, 79 KB)
  • Operating Procedures Maintenance and Development
    Process for initial development, review, approval, control, distribution, archiving, temporary change and revision of operating procedures used within ERCOT System Operations, including steps to assist the procedure developer in determining content and task details; November 1, 2010, version 2, revision 11
    (11/18/10, .doc, 347 KB)
  • Real Time Operating Procedure
    Procedure for the system operator assigned to the Real Time Desk, which is reponsible to maintain adequate regulation and ensuring system frequency remains within the tolerance; January 19, 2012, version 1.0, rev 14
    (01/18/12, .doc, 786.5 KB)
  • Reliability Unit Commitment Operating Procedure
    Procedure for the system operator assigned to the Reliability Unit Commitment (RUC) Desk is responsible for the oversight of the WRUC, DRUC, and HRUC grid reliability; January 19, 2012, version 1.0, rev 13
    (01/18/12, .doc, 624.5 KB)
  • Request for Unit Testing
    (12/14/10, .doc, 35.5 KB)
  • Resource Operating Procedure
    Procedure for the system operator assigned to the Nodal Resource Desk, which monitors Ancillary Services to ensure QSEs are meeting their A/S obligations, execute SASM, deploy Non-Spin and Load Resource; January 19, 2012, version 1.0, rev 13
    (01/18/12, .doc, 596.5 KB)
  • Shift Supervisor Operating Procedure
    Manual providing the ERCOT Shift Supervisor with the information to assist in addressing thechnical, operational issues, system performance and reports; January 19, 2012, version 1.0 revision 11
    (01/18/12, .doc, 954 KB)
  • Transmission and Security Operating Procedure
    Procedure for the system operator assigned to the Nodal Transmission and Security Desk, which monitors system performance as well as planned and forced outages; January 19, 2012, version 1.0, rev 14
    (01/18/12, .doc, 1003 KB)