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WMWG Meeting
March 25, 2019 09:45 AM

ERCOT Austin 8000 Metropolis (Building E), Suite 100 Austin, TX 78744 Room 206	WebEx Conference Teleconference: 877-668-4493 Meeting number: 623 711 983 Meeting password: Meetings

Comments

The WMWG meeting will begin immediately following the CMWG meeting and will use the same WebEx information.

Agenda

1.	Antitrust Admonition	D. Detelich	10:30 a.m.
2.	Real-Time On-Line Reliability Deployment Price Adder	D. Detelich/ ERCOT
	Comparison of Proposed Changes to Relaxation and Pricing Run Triggering
	NPRR904, Revisions to Real-Time On-Line Reliability Deployment Price Adder for ERCOT-Directed Actions Related to DC Ties
	Review latest comments
	Develop options and recommendations for WMS

3.	Monthly Review	ERCOT
	Board Market Operations Material
	SASM/Manual Override Activity
	Commercial Impacts of DC Tie Curtailments
	Intra-Hour Wind Forecast Accuracy

4.	Next Steps for NPRR664: Fuel Index Price for Resource Definition and Real-Time Make-Whole Payments for Exceptional Fuel Cost Events	I. Gonzalez

5.	High Revenue Neutrality Allocation (RENA): Final report for 2018	ERCOT

6.	Open Action Items Review	D. Detelich	2:00 p.m.
	Should it be considered closed?
	Ranking the open items
	Complexity of the item
	Urgency of the item
7.	Other business	D. Detelich
	Adjourn	D. Detelich	3:30 p.m.
	Future Meetings - April 22, 2019

Open Action Items	Notes
Directive #7 (Southern Cross Transmission Assignment) – Congestion Management	On Hold
Concept for Nodal Pricing for Non-Modeled Generators and Registered Distributed Generation (DG)	NPRR917
Switchable Generation Resource Demand Side Working Group (DSWG) Whitepaper - include notification requirements of Resources switchable to other Control Areas	On Hold
Constraint Definitions	contingencies where resource nodes are isolated
Reliability Unit Commitment (RUC) commitments: • Identify specific NERC obligations to Justify a RUC • Limitations for delay of decision to RUC. o If tipping scale in favor of delay, what is mechanism • Should Ancillary Services penalty curves for RUC be modified • Prescreen info for operators • Impact to market and mechanisms to mitigate impacts	11/01/2017
Review concept of establishing a minimum threshold to post Total Wholesale Storage Load (WSL), utilization of Real-Time telemetry, and Resource disclosures	02/28/2018
Review the issues of RENA and Load Distribution Factors (LDFs) and price floors	02/28/2018
Deep Dive of potential issues in the Low System-Wide Offer Cap (LCAP) Methodology if cumulative Peaker Net Margin (PNM) exceeds $315,000/Megawatts (MW) year and there are insufficient Ancillary Service offers in the Day-Ahead Market (DAM)	05/02/2018
TAC Assignment: Review the commercial impacts of DC Tie Curtailments
NPRR838, Updated O&M Cost for RMR Resources
NPRR872, Modifying the SASM Shadow Price Cap
Market Issues related to compensation for Reliability Unit Commitment (RUC) Switchable Generation Resources
Workshop: Must Run Alternative (MRA) and Load Resource deployments for Local Congestion
Next Steps for NPRR664: Fuel Index Price for Resource Definition and Real-Time Make-Whole Payments for Exceptional Fuel Cost Events -
Review price formation impacts from ERCOT out-of-market actions related to DC Ties, including the Operating Reserve Demand Curve (ORDC) price adders and the impacts on Locational Marginal Prices (LMPs) from the Real-Time On-Line Reliability Deployment Price Adder
Review a comprehensive analysis of the impacts of NPRR864 from ERCOT and review the information in the RUC report and provide recommendations to WMS
Look at performance of Reliability Deployment Price Adder during the RUC events on 10/4/18 ask that ERCOT prepare a detailed review - specifically fluctuations of the adder between zero and non-zero values that aren’t intuitive, and review the methodology to calculate the adder.
Market Suspension and Restart – Gaps and other issues that NPRR 850 did not address; restart mechanics and pricing impacts	New item