About the NATF
The North American Transmission Forum (NATF) is built on the principle that the open and candid exchange of information among its members is the key to improving the reliability of the transmission systems in the U.S. and Canada.
January 04, 2023
The NATF has posted version 3.0 of the NATF EMS External Modeling Reference Document to our public website for the benefit of the industry.The document provides guidance to improve performance of EMS external models. The document is intended for personnel with responsibility for development and maintenance of EMS models for real-time state estimator and real-time contingency analysis.