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Machine-to-Machine Interfaces June 27 2007 Stephen Kerr

Machine-to-Machine Interfaces June 27 2007 Stephen Kerr. Agenda. Updates to External Interface Specification Pending State Notifications & Listeners Web Services Update Release Schedule Early EDS3 EDS3 & API Subgroup Face to Face State & Sequence for submission Listeners

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Machine-to-Machine Interfaces June 27 2007 Stephen Kerr

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  1. Machine-to-Machine InterfacesJune 27 2007Stephen Kerr 1

  2. Agenda • Updates to External Interface Specification • Pending State • Notifications & Listeners • Web Services Update • Release Schedule • Early EDS3 • EDS3 & API Subgroup Face to Face • State & Sequence for submission • Listeners • Sandbox vs EDS3 Implementation • Upgrading from demo services (WhoAmI, Boomerang, 3PO demo) • Potential Additional Services • Potential private network implementation 2

  3. Updates to External Interface Specification • Certain elements of the External Interface Specification were approved on May 21st on condition that regular updates were provided to the specification • Revision 1.01 was published to TPTF on June 15th for comment • The major changes are the addition of Pending state and Notifications • Received comments related to corrections to message content e.g. expiration Time and curve resolution and Submission Validation and language corrections. Message content and language will be addressed in the next minor revision planned for mid July, submission validation in the next major revision • The next major revision will be published after the MMS design review and walkthrough on July 9 - 13 • Next major revision to the Interface specification will occur by early August 3

  4. Pending State • Introduced Pending to indicate the initial validation of a submission prior to the Day Ahead Validation • There will be internal interaction with MMS to determine when the DAM validation occurs • The rules around DAM validation will be published by MMS team 4

  5. Notifications & Listeners • Market Participants will subscribe to Notifications of content changes through the MIS system • The details of which content MP’s can be notified on is not yet defined • MP systems must register listener URLs and email addresses • The Integration Layer monitors for changes to subscribed content and issues a notification to the registered URL’s and email addresses • The notification structure is defined but content is not yet designed • MP systems must be capable of listening for and receiving these asynchronous messages and responding with an Acknowledge • ERCOT also transmit a heartbeat during quiescent periods to monitor the listener network • Emails are transmitted on error conditions • ERCOT do not plan to provide working samples for listeners but a useful guides can be found on the Apache AXIS project 5

  6. Notifications & Listeners 6

  7. Jun Jul Aug Sept Oct Nov Dec Objectives • The following Web Services should be available by June 30th, 2007 Objectives • The following Web Services should be available by July 30th, 2007 Objectives • The following Web Services should be available by August 30th, 2007 Objectives • The following Web Services should be available by September 30th, 2007 Objectives • The following Web Services should be available by October 30th, 2007 Objectives • The following Web Services should be available by November 30th, 2007 • Web Services – EIP • Three Part Offer • Incremental/Decremental Offers • Current Operating Plan • Output Schedule • Bid Set Acceptance • Bid Set Errors • Get mRID • System Status • Web Services – EIP • Market Totals • Binding Constraints • Active Contingencies in SCED • Voltage Profiles • Competitive Constraints • Shift Factors • Ancillary Service System Plan • Pending Trade • Energy Only Offer Awards • Energy Bid Award • Ancillary Service Awards • Web Services – EIP • Self Arranged Ancillary Services • Ancillary Services Offer • Ancillary Services Trade • Energy Bid • Energy Only Offer • Forecasted Load • Real-Time System Load • Market LMPs and SPPs • Mitigated Curves • Outage Creation • Web Services – EIP • Congestion Revenue Rights • PTP Obligation • Self Schedule • Total Regulation • Load Ratio Share • Unit Availability • Startup and Shutdown Instructions • Proxy Curves • Notices and Alerts • CRR Awards • Outage Notifications • Web Services – EIP • Dynamic Ratings • Aggregated Ancillary Service Offer Curves • Total Ancillary Service Offers • Total DAM Energy • Derated CRRs • Alert Acknowledgement • Outage Query • Outage Cancellation • Web Services – EIP • Capacity Trade • DC Tie Schedule • Energy Trade • Get AwardSet • Market MCPCs • Ancillary Service Schedule Obligations • Load Distribution Factors • Customer Load Profile • Energy Offer Awards • PTP Obligation Awards Web Service Sandbox Implementation Timeline - original • Testing cycle time is 6 weeks, not the original 4 week estimate, so the schedule must change 7

  8. Jun Jul Aug Sept Oct Nov Dec Objectives • The following Web Services should be available by June 30th, 2007 Objectives • The following Web Services should be available by July 30th, 2007 Objectives • The following Web Services should be available by August 30th, 2007 Objectives • The following Web Services should be available by September 30th, 2007 Objectives • The following Web Services should be available by October 30th, 2007 Objectives • The following Web Services should be available by November 30th, 2007 • Web Services – EIP • Three Part Offer • Incremental/Decremental Offers • Current Operating Plan • Output Schedule • Bid Set Acceptance • Bid Set Errors • Get mRID • System Status • Web Services – EIP • Market Totals • Binding Constraints • Active Contingencies in SCED • Voltage Profiles • Competitive Constraints • Shift Factors • Ancillary Service System Plan • Pending Trade • Energy Only Offer Awards • Energy Bid Award • Ancillary Service Awards • Web Services – EIP • Self Arranged Ancillary Services • Ancillary Services Offer • Ancillary Services Trade • Energy Bid • Energy Only Offer • Forecasted Load • Real-Time System Load • Market LMPs and SPPs • Mitigated Curves • Outage Creation • Web Services – EIP • Congestion Revenue Rights • PTP Obligation • Self Schedule • Total Regulation • Load Ratio Share • Unit Availability • Startup and Shutdown Instructions • Proxy Curves • Notices and Alerts • CRR Awards • Outage Notifications • Web Services – EIP • Dynamic Ratings • Aggregated Ancillary Service Offer Curves • Total Ancillary Service Offers • Total DAM Energy • Derated CRRs • Alert Acknowledgement • Outage Query • Outage Cancellation • Additional Services • Web Services – EIP • Capacity Trade • DC Tie Schedule • Energy Trade • Get AwardSet • Market MCPCs • Ancillary Service Schedule Obligations • Load Distribution Factors • Customer Load Profile • Energy Offer Awards • PTP Obligation Awards Web Service Sandbox Implementation Timeline - revised • Completed smoke testing • Plan to complete 1st pass functional testing on June 29th • Risk of slippage to July 10th 8

  9. Early EDS3 Web Services • Web Services will be available on the Sandbox July 10th in worst case • Three Part Offer • Incremental/Decremental Offers • Current Operating Plan • Output Schedule • Bid Set Acceptance • Bid Set Errors • Get mRID • System Status • The services will initially be “loop-back” which means there is no connectivity to MMS validation logic • Integrated web services with MMS validation is forecast to complete in late August 9

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