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DC Tie Automation Project. Automation Project Objectives. Automate Comparison of eTags to QSE DC Tie Schedules Automate Operator offsets for DC Tie eTag/Schedule mismatches Monitor/compare eTag Net Scheduled Interchange to DC Tie SCADA on EMS Display Automate Inadvertent Energy Accounting.

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Automation project objectives
Automation Project Objectives

  • Automate Comparison of eTags to QSE DC Tie Schedules

  • Automate Operator offsets for DC Tie eTag/Schedule mismatches

  • Monitor/compare eTag Net Scheduled Interchange to DC Tie SCADA on EMS Display

  • Automate Inadvertent Energy Accounting


Automate comparison of etags to qse dc tie schedules
Automate Comparison of eTags to QSE DC Tie Schedules

  • Add a QSE number or drop down tab in eTag form to Identify ERCOT QSE

  • Upload ERCOT DC Tie schedules to OATI

  • Contract with OATI for new displays to sort and compare eTags to QSE DC Tie schedules

  • Download eTag schedule data from OATI to MDB and Settlements

  • Enhanced eTag/QSE Schedule reporting capability


Automate operator offsets for dc tie etag schedule mismatches
Automate Operator offsets for DC Tie eTag/Schedule mismatches

  • Download approved eTag schedules to ERCOT MDB and MOS

  • Substitute eTag Schedules for QSE DC Tie Schedules in the operating period real time applications

  • Automatically provides correct DC Tie flow to SPD for congestion analysis and balancing

  • Manual operator offset for DC Tie mismatches no longer necessary


Monitor compare etag net scheduled interchange to dc tie scada on ems display
Monitor/Compare eTag Net Scheduled Interchange to DC Tie SCADA on EMS Display

  • Sum of eTags for DC Tie equals Net Scheduled Interchange

  • NSI downloaded from OATI and linked to an EMS display next to DC Tie SCADA value

  • Alarm for Differences

  • Errors identified quickly


Automate inadvertent energy accounting
Automate Inadvertent Energy Accounting SCADA on EMS Display

  • Perform Inadvertent Energy Accounting on OATI application

  • Eliminate internal manual spreadsheets

  • Upload EPS meter data for DC Ties for final meter reading corrections

  • Inadvertent Energy information downloaded from OATI for final archives

  • Enhanced OATI reporting capabilities


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