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Single Entry Model

Single Entry Model (SEM) represents the implementation of new tools and business processes whereby TSPs will submit network operations model change requests (NOMCRs) to ERCOT. Historically model changes were made through the ERCOT service request tool, but for SEM Go-Live on and after August 31, 2009, all operational model changes will be submitted as NOMCRs through the Nodal Network Model Management System (NMMS).

The activities of Single Entry Model include training, testing, and implementation activities which will be communicated through weekly market calls, as well as detailed market updates to the monthly ERCOT NDSWG and ROS stakeholder meetings.

Contact Information

Project Manager: Matt Mereness
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