Why is the Interchange Authority’s role restricted to bilateral transactions?
Because the sole purpose of the Interchange Authority is to bring the financial “deal” between Purchasing-Selling Entities across Balancing Areas to physical implementation. Financial transactions within markets are handled by the Market Operator and do not need the services of the Interchange Authority.
Why does the model include the Market Operator?
This function in the Functional Model recognizes that it provides energy and capacity products in some markets. The Market Operator is also an interconnection point between the NERC Functional Model and models that other organizations may create as a framework for market structures and business practices.
Is the “Generator Operator” referred to in our standards strictly related to System Operators or does it also includes power plant operators? Due to the fact that a power plant operator operates generator unit(s), should they receive the same training as that of a system operator?
This is concept supported by the NERC Glossary of Terms with the following definitions:
“Generator Operator - The entity that operates generating unit(s) and performs the functions of supplying energy and Interconnected Operations Services.”
“System Operator - An individual at a control center (Balancing Authority, Transmission Operator, Generator Operator, Reliability Coordinator) whose responsibility it is to monitor and control that electric system in real time.”
Power plant operators control and monitor boilers, turbines, generators, and auxiliary equipment while the System Operator (Generator Operator) monitors the status of the generating facility and controls the real and reactive power (i.e. AGC control signals) in a manner to support Interconnection frequency the overall reliability of the Bulk Electric System.
The NERC Personnel Performance, Training and Qualifications (PER) Standards are applicable to the Balancing Authority, Transmission Operator and Reliability Coordinator entities and contain specific requirements associated with the training and qualification of System Operators responsible for the execution of the tasks assigned to these entities (i.e. BA, TOP & RC). The opinion of the FMWG is that the NERC PER Standards are not applicable to the System Operators associated with the Generator Operator entities and are therefore not applicable to power plant operators.
The NERC Functional Model identifies entities with specific functions and tasks that support the reliability of the Bulk Electric System. Several entities, including the Generator Operator, are staffed with System Operators in their respective control centers (i.e. Balancing Authority, Transmission Operator, Generator Operator and Reliability Coordinator).
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