March 26, 2015 March 26, 2015 Technical Advisory Committee Technical Advisory Committee (TAC) Update to RMS(TAC) Update to RMS

Kathy Scott

April 7, 2015 TAC Update to RMS 1

PRS InitiativesPRS InitiativesNodal Protocol Revision Requests (NPRRs)

◦ NPRR670, Clarification of Portfolio Weighted Auction Clearing Price (PWACP) Unanimously Approved by TAC

◦ NPRR671, Incorporation of DAM Credit Parameters into Protocols Unanimously Approved by TAC

◦ NPRR672, Clarification of EMR Status Motion to Approve NPRR672 with a June 1st

Implementation date - Approved by TAC with 1 abstention

◦ NPRR673, Correction to Estimated Aggregate Liability (EAL) for a QSE that Represents Neither Load nor Generation Unanimously Approved by TAC

April 7, 2015 TAC Update to RMS 2

PRS Initiatives (cont.) PRS Initiatives (cont.) NPRRs, Goals and PRS Actions:

◦ NPRR678, Posting of Wind Peak Average Capacity Percentage Data Unanimously Approved by TAC

◦ 2015 Goals (Vote) http://www.ercot.com/content/wcm/key_documents_lists/52272/03._20

15_PRS_Goals.doc Unanimously Approved by TAC

◦ Revision to 2015 Market System Enhancements Scope (Possible Vote) – Note: Move from Phase 1 (June 27-28, 2015) to Phase II expected

delivery 9/21/15-9/25/15 NPRR568 Real Time Reserve Price Adder Based on ORDC NPRR644 – Operating Reserve Demand Curve Phase 2 Revisions.

Unanimously Approved and recommended by WMS and PRS This was only an update with NO action required of TAC.

◦ April 7, 2015 TAC Update to RMS 3

PRS Initiatives (cont.) PRS Initiatives (cont.)

NPRRs, Goals and PRS Actions:

◦ Annual Review of Other Binding Document (OBD) List (Vote) TAC Unanimously Approved Other Binding

Document List for 2015. Note: ERCOT’s Staff continues to evaluate OBD documents to

determine if OBD should be included into ERCOT protocols.

Link to Approved List of Other Binding Documents (OBD): http://www.ercot.com/content/wcm/key_documents_lists/52272/03._Other_Binding_Documents_List.xls

April 7, 2015 TAC Update to RMS 4

Tabled and/or Withdrawn Tabled and/or Withdrawn RevisionsRevisions

Request Previously Tabled at TAC (Possible Vote):

◦ NPRR642, Constraint Management During Energy Emergency Alerts The associated NOGRR135 was created and TAC will “Table” the

NOGRR waiting Board approval of this NPRR642. TAC Unanimously Approved NPRR642

◦ NPRR668, Updates to Texas SET Implementation Guide Process February’s TAC “Motion to Table” continued awaiting RMS’

approval of TX SET Change Control Process Implementation Guide that completes the process associated to this NPRR.

◦ LPGRR054, Alignment with NPRR661, Discontinue Posting Profile Data Evaluation Report Per ERCOT LPGRR054 needed to move forward first prior to

NPRR661’s consideration at the Board in April, therefore, TAC’s approval was required on LPGRR054.

TAC Unanimously Approved LPGRR054

April 7, 2015 TAC Update to RMS 5

Wholesale Market Subcommittee (WMS)◦ 2015 Goals (Vote)

http://www.ercot.com/content/wcm/key_documents_lists/52272/06._2015_WMS_Goals.doc

TAC Unanimously Approved the 2015 WMS Goals.

◦ Change to CRR Account Holder Transaction Limits for CRR Auctions (Vote) Both Motion to Waive notice and Motion to Approve

recommended Change to CRR Account Holder Transaction Limits for CRR Auctions received Unanimous Approval.

◦ VCMRR006, Fuel Adder Timeline Update (Vote) TAC Unanimously Approved VCMRR006

◦ Discussion Related to NPRR638 (Possible Vote) Several elements of NPRR638 are still being discussed at

WMS

April 7, 2015 TAC Update to RMS 6

WMS Initiatives WMS Initiatives

Reliability Operations Subcommittee (ROS)◦ 2015 Goals (Vote)

http://www.ercot.com/content/wcm/key_documents_lists/52272/05._2015_ROS_Goals.doc

TAC Unanimously Approved the 2015 ROS Goals.

◦ NOGRR135, Constraint Management During Energy Emergency Alert (Vote) Approved ‘Tabling” NOGRR135 awaiting Board approval of

NPRR642

◦ NOGRR138, Delete Grey Box for Reporting of Back-up Control Plan Submittal (Vote) Approved ‘Tabling” NOGRR138 awaiting Board approval of

NPRR657

◦ NOGRR139, Under/Over-Frequency Relaying Requirements (Vote) TAC Unanimously Approved NOGRR139

◦ PGRR041, Revise and Add Requirements for NERC TPL-001-4 Standard (Vote) TAC Unanimously Approved PGRR041

April 7, 2015 TAC Update to RMS 7

ROS Initiatives ROS Initiatives

Retail Market Subcommittee (RMS):◦ 2015 Goals (Vote)

http://www.ercot.com/content/wcm/key_documents_lists/52272/07._2015_RMS_Goals.docx

TAC Unanimously Approved the 2015 RMS Goals

◦ RMGRR126, Additional ERCOT Validations for Customer Billing Contact Information File (Vote) TAC Unanimously Approved Priority 2015 and Rank of

1290, however, since there is cost to implement associated with this RMGRR it will require Board Approval.

ERCOT Board meeting for this agenda item is scheduled on 4/14/15.

◦ RMGRR128, Reinstate Critical Care Status After Resolution of an Inadvertent Gain (Vote) TAC Unanimously Approved which became effective on

April 1, 2015. http://www.ercot.com/mktrules/guides/retail/current

April 7, 2015 TAC Update to RMS 8

RMS Initiatives RMS Initiatives

Commercial Operations Subcommittee◦2015 Goals (Vote)

http://www.ercot.com/content/wcm/key_documents_lists/52272/08._2015_COPS_Goals.docx

TAC Unanimously Approved the 2015 COPS Goals

April 7, 2015 TAC Update to RMS 9

COPS Initiatives COPS Initiatives

Ancillary Services Re-design Ancillary Services Re-design Update Update FAS (NPRR 667) Workshop scheduled

4/20/15 ◦ The six Procurement & Pricing Options identified

during the March 11, 2015 Workshop are: The FAST Proposal, as described at the 9-25-14 TAC

meeting but with NO cap on the FFRS MCPC. Alternative 1 Proposal, as described at the 9-25-14

TAC meeting. Alternative 2 proposal, as described at the 9-25-14

TAC meeting.  (This is essentially NPRR 018) The Luminant Proposal, as described at the 3-11-15

FAS Workshop Alternative 2 proposal, as described at the 9-25-14 TAC meeting but with the “Linked Load Bids – AS Offers Concept” as presented by the IMM

The 2015 Approach (more description to be provided)April 7, 2015 TAC Update to RMS 10

Operations, Planning and IT Operations, Planning and IT Report Report Annual Emergency Response Service (ERS) Report to

TAC (Q&A Only)◦ http://www.ercot.com/content/wcm/key_documents_lists/

52272/10._Attachment_B_2014_ERS_Annual_Report_03xx15.ppt ◦ http://www.ercot.com/content/wcm/key_documents_lists/

52272/10._ERS_2014_Annual_Report_final.doc ◦ TAC leadership requests that Market Participants bring their

additional questions and concerns to WMS. LCRA TSC and CPS Energy Transmission System

Additions RPG Project (Possible Vote)◦ TAC Unanimously Approved

2015 Seasonal Adjustment Factor◦ TAC members agreed with the proposed 2015 Seasonal

Adjustment Factor. http://www.ercot.com/content/wcm/key_documents_lists/

52272/10._TAC_2015_03_26_Seasonal_Adjustment_Factor_v1.pptx

April 7, 2015 TAC Update to RMS 11

Other BusinessOther Business

A TAC member asked should a “Consensus Agenda” be considered going forward since there were a lot of items on the March 26th agenda that TAC unanimously approved very quickly? ◦This question will require additional

discussions and investigation.

April 7, 2015 TAC Update to RMS 12

Questions?Questions?

13April 7, 2015 TAC update to RMS