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Integration of Demand Resources within ISO/RTO Operations
November 20, 2008Peter FriedlandOperations Solutions Manager
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
Agenda
1. Project Status– Development of DR Integration Business Requirements
(Dec 31st)
– Develop Software Functional Requirements/Specifications for RT Dispatch Functions
– Develop Software Functional Requirements/Specifications for Asset Registration and Settlements functions
2. Continue October 23, 2008 Discussion– Communication Circuits
– DR Model Synchronization
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
Project Status• ISO Project Team is busy drafting updated Business
Requirements for Dec 31st
• Project On-track for November 2008 Approval• SOW with external software vendor is in progress with work
expected to begin in January 2009• ISO-NE Real-Time Dispatch Software Development
activities will start in November 2008• Software Functional Requirements will start in November
2008 – concurrent with Business Requirements• Settlements and Asset Registration Software
Development activities TBD
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
Real-Time Dispatch Timeline
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
High-Level Software Development Activities• ISO-NE responsibilities include:
– All DNP3 communication-related software including DDE model synchronization
– EMS User Interfaces and Dispatch Interfaces to Settlements
– Customer Asset Management (CAMS) Enhancements
– Settlements System
• Outside Vendor responsibilities include:– DR Model Management including monthly model update capabilities
within the EMS
– Various Real-Time Dispatch functions including security-constrained study tools
– Various real-time prediction tools
– Training/Testing simulator enhancements
– Software interfaces to ISO Systems
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
Q4 2008-Q2 2009 ISO/DDE Activities
• Review of Asset Registration through DDE Model Synchronization Business Requirements – 1/31/2009
• Communication Software Functional Requirements - 2/28/2009
• DR RTU Specification, similar to existing RIG Replacement RTU Specification – 3/31/2009
• Software RTU Reference Implementation – 4/30/2009• Coordinated Testing and refinement of RTU Reference
Implementation – Q2 through Q3 2009
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
Integration of DR Assets within SCADA
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
Integration of DR within SCADA – Logical View
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1. RTU connections are initiated from ISO; no inbound connections allowed to CFE
2. Once a connection is established to RTU, ISO efficiently polls the RTU for changes; no unsolicited data is allowed from the RTU
3. ISO pushes dispatch instructions to the RTU in the form of Analog and Binary Outputs
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
Frame Relay Circuit Cost and Availability
• Within continental US, 56K circuit costs about $200/month or $400/month for two circuits – Update: Request for Quotes for about ½ of the DDE’s have been received. It is expected that DDE’s will have the required Router and Frame Relay circuits no later than 11/1/2009 for testing.– Atlanta, Bethlehem (PA), Boston, Buffalo, Dallas, Middletown
(CT)• $431/month
• Installation time approximately 1 month
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
Frame Relay Circuit Cost and Availability
• ISO-NE telecommunication vendor is currently establishing availability and quotes for Frame Relay outside of continental US – Update: Quotes have been received and will need to be discussed with affected DDE’s outside of this meeting
• Monthly charges are higher– Single frame relay– Single Canada private line
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
DR Model Synchronization and Testing1. DR Resource/Assets can change on a monthly basis2. ISO-NE and DDE’s will establish an efficient means for
exchanging DR ‘meta-data’ for the purpose of regular RTU configuration and testing prior to the start of each month
3. ‘Meta-Data’ will consist of information needed to establish identity and other attributes of Resource and Assets
4. ‘Meta-Data’ will consist of information needed to establish mapping between the Resource/Assets and DNP objects within the RTU Master and Slave
5. ‘Meta-Data’ will be automatically be generated by ISO-NE DR Model Management System based upon information derived from CAMS
6. DR ‘Meta-Data’ will also include test data to automatically test the integrity of the new model within the RTU Master and Slave
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
DR Model Synchronization and Testing
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DRITWG November 20, 2008 Integration of Demand Resources
© 2008 ISO New England Inc.
DR Model Synchronization and Testing
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