NERC Reliability Functional Model Conference on Electric System Reliability December 1, 2003
The Control Area 2
The Control Area: Vertically Integrated Transmissi on Reliability Load. Resource Balance Transmissi on Service Interchan ge Own Buy and Sell Operate Impleme nt Wheel Generatio n 3 Supply Load
Unbundled Generator Transmission Owner Transmission Operator Distribution Provider Load-serving Entity 4
What do we do now? ● The Control Area is no longer the only operating organization ● NERC Operating Policies do not reflect the new organizations or merchant functions that are forming ● Need to define the basic functions and “roll up” into organizations 5 Traditional utilities n ISOs n RTOs Roll Up n Reliability n Balancing n Interchange n Transmission n
The Functional Model 1. 2. Group into Functions 3. Assign to Responsible Entities n Invent new names as needed n Set up relationships Development List every reliability task we could think of 6 PSE RA IA TSP
Considerations ● The Model accommodates the industry’s changes – does not cause or recommend change § Designed to accommodate traditional, vertically integrated control areas § …and RTOs § …and ISOs ● Framework for NERC’s reliability standards ● Does not depend on market structure or even whether a market exists 7
Guiding Principles ● Model defines functions as sets of tasks ● Organizations register as responsible entities ● Organizations must be certified to perform certain functions § Operating Reliability, Balancing, Transmission Operations, Interchange ● May delegate tasks but not responsibilities ● Some tasks will not result in standards 8
Functional Model Version 2 9
Putting it all Together Functional Model Defines functions as tasks Defines responsible entity relationships Organization Registration & Certification Certifies organizations as responsible entities 10 Reliability Standards Defines satisfactory task performance Defines ability to perform tasks Regional Reliability Plans Designates which organizations are Reliability Authorities and Balancing Authorities
“Roll up” Examples
“Roll up” Examples 12
“Roll up” Examples 13
“Roll up” Examples 14
“Roll up” Examples 15
“Roll up” Examples 16
Questions? 17
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