MSWG Nodal HandbookShadow Settlement Tools JANUARY 2018 Handbook PurposePurpose Served Document Purpose With the advent of the ERCOT Texas Nodal Market significant changes have been implemented to settlement processes and procedures for market participants ID: 773180
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MSWG Nodal Handbook/Shadow Settlement Tools JANUARY 2018
Handbook Purpose/Purpose Served? Document Purpose With the advent of the ERCOT Texas Nodal Market, significant changes have been implemented to settlement processes and procedures for market participants. Nodal changes have brought about the increase in the number of bill determinants for settlement equations, the increase in the amount of data for reconciliation and the introduction of a Day Ahead market that adds additional settlement runs for each operating day . This document was created and maintained by the Settlements and Extracts Working Group (SEWG) is designed to serve as a reference guide for ERCOT market participants for settlement and related activities . The Communications and Settlement Working Group (CSWG) will maintain this guide based on market changes that arise from the ERCOT stakeholder process.
Also provides 1. An indexed presentation of all settlement charge types and various bill determinant calculations used in settlement charge types. 2. Appealing calculation graphics 3. A bill determinant grid to define bill determinants, specifying: ERCOT bill determinant name, unit of measure, description, interval frequency, data extract source, and whether the determinant is capable of being shadowed
Nodal Handbook phase-out Matrix and Protocols control in event of conflict Requires its own style-guide Out-of-date Redundant and inaccurateDo Market Participants have the tools they need without it? Need WMS approval to remove WG requirement 4
ERCOT Nodal Charge Type Matrix Bill Determinant Code Effective Date Protocol Formula Protocol Reference Section List of all Determinants (Input, Intermediate and Output) Notes (ADJ cuts, NPRR, whitepaper references, ”not in Protocols”)Other Calculations sectionBilling Determinant definitions specifying UOM, Definition and SourceRevision History
Alternative Toolkit Resource Description Location ERCOT Nodal Charge Type Matrix Visual depiction of algorithms and effective dates of NPRRs. Determinant definition list with UOM and source systems MIS Settlements Public ERCOT Extracts (CODE, MODE, PRDE)Contain inputs to algorithmsMIS Settlements Secure (XML and CSV)EMIL (ERCOT Market Information List)Inventories all delivered products required by Protocol and how to obtainPublicSettlements Join DiagramMapping of RTM (CODE/MODE), DAM(CODE/MODE), SID and PRDE http://www.ercot.com/services/mdt/userguidesSettlements-Extract-User-GuideSummary of Data in Extracts Table names for MODE & CODEhttp://www.ercot.com/services/mdt/userguidesShadow Settlement Instruction GuidesUFE Allocation, Losses, Profiles, Generation Site, NOIE to follow ERCOT’s process for validationhttp://www.ercot.com/mktinfo/data_agg/ssigMarket NoticesContain dates and dollar amounts for ADR MISC and out-of-cycle Resettlement timingEmail exploder 6
Other considerations Extra-Settlement algorithms? Eg . ERO Fee Any other stakeholders dependent on Handbook Shadow tips and techniques Guidelines for “shadowability”
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