WMS Meeting

June 05, 2019
09:30 AM
ERCOT Austin Room 206
7620 Metro Center Dr.
Austin, TX 78744
Teleconference: 877-668-4493
Meeting number: 627 502 038
Meeting password: WMS



Antitrust Admonition

D. Kee

9:30 a.m.


Agenda Review

D. Kee



Approval of WMS Meeting Minutes (Vote)

D. Kee

9:35 a.m.


May 1, 2019



Technical Advisory Committee (TAC) Update

D. Kee

9:40 a.m.


Review of Protocols in relation to use of "Emergency Condition"


Methodology used to determine the Peaker Net Margin


Review DC Tie Treatment in Relation to Load



ERCOT Operations and Market Items


9:50 a.m.


Unregistered Distributed Generation (DG) Report 2019 Q1 Update

C. Anderson


Calculation related to NPRR931, As Built Hub Average Calculation

C. Bivens



New PRS Referrals (Vote)

D. Kee

10:00 a.m.


NPRR933, Reporting of Demand Response by Retail Electric Providers and Non-Opt-In Entities

M. Patterson


NPRR936, CRR Account Holder Limits



WMS Revision Requests (Vote)

D. Kee

10:30 a.m.


Language Review


VCMRR023, Related to NPRR940, Removal of Language Related to NPRR664, Fuel Index Price for Resource Definition and Real-Time Make-Whole Payments for Exceptional Fuel Cost Events

I. Gonzalez


Impact Analysis Review (None)



Wholesale Market Working Group (WMWG)

D. Detelich

10:45 a.m.


NPRR826, Mitigated Offer Caps for RMR Resources (Possible Vote)



Revision Requests Tabled at PRS, Referred to WMS (Possible Vote)

D. Kee

11:25 a.m.


NPRR838, Updated O&M Cost for RMR Resources (RCWG) (WMWG)


NPRR872, Modifying the SASM Shadow Price Cap (WMWG)


NPRR903, Day-Ahead Market Timing Deviations


NPRR918, Validation Clarification for PTP Obligations with Links to an Option



Metering Working Group (MWG)

D. Sumbera

11:45 a.m.


NPRR948, Instrument Transformer Testing Schedule and Removal of Reference to Fiber-Optic Current Transformers (Possible Vote)


SMOGRR022, Related to NPRR948, Instrument Transformer Testing Schedule and Removal of Reference to Fiber-Optic Current Transformers


NPRR949, January 1, 2023 Changes to EPS Meter Communications Path (Possible Vote)



Resource Cost Working Group (RCWG)

RCWG Leadership

12:05 p.m.


RCWG Leadership (Vote)



Congestion Management Working Group (CMWG)

S. Morris

12:15 p.m.


Market Credit Working Group (MCWG)

B. Barnes

12:25 p.m.


Market Settlement Working Group (MSWG)

H. Boisseau

12:35 p.m.


Other Business

D. Kee

12:45 p.m.


May 30th Market Pricing Event

ERCOT Staff  

Review Open Action Items


No Report


Demand Side Working Group (DSWG)


Supply Analysis Working Group (SAWG)



D. Kee

1:00 p.m.

Scheduled WMS Meetings