DRAFT

Wholesale Market Subcommittee (WMS) Meeting

ERCOT Austin – 7620 Metro Center Drive – Austin, Texas 78744

Wednesday, March 2, 2016 – 9:30 a.m.

Attendance
Members:
Barnes, Bill / Reliant Energy Retail Services
Bell, Brad / E.ON
Bierschbach, Erika / Austin Energy
Bonskowski, Ned / Luminant
Carpenter, Jeremy / Tenaska
Coleman, Diana / OPUC
Dotson-Westphalen, Peter / CPower
Greer, Clayton / Morgan Stanley
Grimes, Mike / EDPR
Gross, Blake / AEP Service Corporation
Kee, David / CPS Energy
Lindberg, Ken / Bryan Texas Utilities
Lyons, Chris / Exelon / Via Teleconference
Maduzia, Franklin / Dow Chemical
Messer, Tayaun / Brazos Electric Power / Via Teleconference
Morris, Sandy / Direct Energy
O’Hair, Patrick / Source Power and Gas
Schwarz, Brad / Sharyland Utilities
Smith, Mark / Nucor
Stephenson, Randa / LCRA / Alt. Rep. for J. Dumas
Thurnher, Greg / Shell Energy
Wall, Perrin / CenterPoint Energy
The following proxy was assigned:
·  Chris Brewster to Diana Coleman
Guests:
Ainspan, Malcolm / NRG / Via Teleconference
Arrigo, Garrett / Shell / Via Teleconference
Ashley, Kristy / CES
Bevill, Jennifer / CES
Blackburn, Don / Luminant / Via Teleconference
Brandt, Adrianne / CPS Energy
Bryant, Mark / PUCT / Via Teleconference
Chakka, Babu / Austin Energy
Chatlani, Varsha / LCRA / Via Teleconference
Cobos, Lori / Talen Energy
Cripe, Ramsey / Schneider Engineering
Denney, Kristi / Potomac Economics
Garza, Beth / Potomac Economics / Via Teleconference
Gaytan, Jose / City of Denton / Via Teleconference
Hastings, David
Juricek, Mike / Oncor / Via Teleconference
Looney, Sherry / Luminant / Via Teleconference
Lowrey, David / Comverge / Via Teleconference
Mena, Hugo / EPE
Methaprayoon, Kittipong / Biourja / Via Teleconference
Mueller, Paula / Texas Reliability Entity / Via Teleconference
Palen, John / NRG
Peters, Patrick / CenterPoint Energy / Via Teleconference
Priestley, Vanus / Macquarie / Via Teleconference
Reedy, Steve / Potomac Economics
Reid, Walter / Wind Coalition / Via Teleconference
Siddiqi, Shams / Crescent Power
Singer, Chad / Fellon McCord / Via Teleconference
Smyth, Scott / PUCT / Via Teleconference
Sutherland, Trevor / Fellon McCord / Via Teleconference
Varnell, John / Tenaska / Via Teleconference
Vinson, Paul / CPS Energy
Wallin, Shane / DME Power / Via Teleconference
Wan, Josephine / Austin Energy / Via Teleconference
White, Lauri / AEP Texas
Whittle, Brandon / Stratus
Whitworth, Doug / Texas Reliability Entity / Via Teleconference
Wittmeyer, Bob / DME
Woodruff, Taylor / Oncor
ERCOT Staff:
Albracht, Brittney
Billo, Jeff
Boswell, Bill / Via Teleconference
Chang, Sean / Via Teleconference
Clifton, Suzy
Gilbertson, Jeff
Gonzalez, Ino
Hanson, Kevin / Via Teleconference
Hui, Hailong / Via Teleconference
Jin, Julie / Via Teleconference
Julitz, John / Via Teleconference
Landry, Kelly
Lazarus, Dana / Via Teleconference
Pabbisetty, Suresh / Via Teleconference
Phillips, Cory / Via Teleconference
Ruane, Mark / Via Teleconference
Rosel, Austin / Via Teleconference
Sharma, Shandip
Shaw, Pamela / Via Teleconference
Surandran, Resmi
Tozer, Matt / Via Teleconference
Unless otherwise indicated, all Market Segments were present for a vote.
2016 WMC Chair Jeremy Carpenter called the March 2, 2016 WMS meeting to order at 9:30 a.m.
Antitrust Admonition
Mr. Carpenter directed attention to the Antitrust Admonition, which was displayed. A copy of the Antitrust Guidelines was available for review.
Agenda Review (see Key Documents)
There were no changes to the agenda. Sandy Morris expressed appreciation for efforts to streamline the WMS agenda, and requested that items requiring discussion by WMS be listed as bullet items under working group and task force reports.
Approval of WMS Meeting Minutes (see Key Documents)[1]
February 3, 2016
Greg Thurnher moved to approve the February 3, 2016 WMS meeting minutes as submitted. Brad Schwarz seconded the motion. The motion carried unanimously.
Technical Advisory Committee (TAC) Update and Assignments
Joint Reliability and Operations Subcommittee (ROS/WMS) Workshop re Reliability Must-Run (RMR)/Regional Haze
Mr. Carpenter noted that the TAC-requested RMR workshop would be scheduled for April or May 2016, and welcomed stakeholder input as to discussion items for the workshop. Bill Barnes suggested that the RMR process be reviewed, with attention given to potential conflict between process and environmental regulations, and the potential for temporary exemptions to meet reliability needs.
Reserve Discount Factor (RDF) and 2016 Ancillary Service Methodology
Mr. Carpenter reported that ERCOT would discuss proposed changes to the RDF and 2016 Ancillary Service Methodology at the March 11, 2016 Qualified Scheduling Entity (QSE) Managers Working Group (QMWG) meeting, in preparation for consideration at the April 6, 2016 WMS meeting.
Supplemental Ancillary Service Market (SASM) Frequency
Real-Time Price Events
ERCOT Staff reviewed the lack of participation in SASMs, despite corrections to initial Settlement issues and Market Notice of the correction; high prices for the Day-Ahead Market (DAM) on February 18, 2016 Hour Ending 0100; high prices in the Real-Time Market (RTM) for February 23, 2016; and progress on System Change Request (SCR) 788, Addition of Integral ACE Feedback to GTBD Calculation. Market Participants suggested a joint session of QMWG and the Performance Disturbance Compliance Working Group (PDCWG), and requested an update to WMS regarding SCR788.
PRS Referrals
There were no referrals to WMS from February 2015 PRS
Revision Requests Tabled at PRS, Referred to WMS (see Key Documents)
Nodal Protocol Revision Request (NPRR) 696, Price Correction Process Following a SCED Failure (QMWG)
Market Participants reviewed the procedural history of NPRR696. Mr. Barnes offered to bring a refreshed presentation regarding NPRR696 to a future WMS meeting. WMS took no action on this item.
NPRR738, ERS Performance Calculations During TDSP Outages (DSWG 12/02/15)
NPRR747, Revision of Voltage Control Requirements (QMWG 01/16/15)
WMS took no action on these items.
ERCOT Operations and Market Items
There were no reports or discussions for this agenda item.
Open Action Items/2015 WMS Projects
Mr. Carpenter reported that TAC did not object to the removal of the 2015 WMS Projects list from the current WMS page.
Emerging Technologies Working Group (ETWG) (see Key Documents)
Hugo Mena reviewed recent ETWG activities.
Market Credit Working Group (MCWG) (see Key Documents)
Mr. Barnes reviewed recent MCWG activities.
Resource Cost Working Group (RCWG) (see Key Documents)
Ino Gonzalez reviewed recent RCWG activities. Mr. Gonzalez reported the RCWG request that the following Action Item be removed from the RCWG list, due to a lack of interest from the market:
·  Develop case examples in order to assess the potential dollar impact of utilizing separate MOCs for power augmentation and quick start unit modes
There were no objections to removing the item.
Supply Analysis Working Group (SAWG) (see Key Documents)
Brandon Whittle reviewed recent SAWG activities.
2016 SAWG Leadership
Mr. Thurnher moved to confirm Mr. Whittle as 2016 SAWG Chair, and Ms. Morris and Pete Warnken as 2016 SAWG Vice Chairs. Mike Grimes seconded the motion. The motion carried unanimously.
Other Business
David Kee suggested that a monthly market performance report at WMS, along the lines of the monthly Operations report presented at ROS, would be useful to stakeholders. Market Participants briefly discussed elements of a potential monthly report at WMS, and that it might be suitable to present at WMS the monthly report provided at QMWG. WMS leadership invited additional input as to desired content of a monthly market performance report.
·  No Updates
o  Congestion Management Working Group (CMWG)
o  Demand Side Working Group (DSWG)
o  Metering Working Group (MWG)
o  Outage Coordination Improvement Task Force (OCITF)
o  QSE Managers Working Group (QMWG)
Adjournment
Mr. Carpenter adjourned the March 2, 2016 WMS meeting at 12:03 p.m.

DRAFT Minutes of the March 2, 2016 WMS Meeting /ERCOT Public

Page 2 of 5

[1] Unless otherwise noted, Key Documents referenced in these minutes may be accessed at http://www.ercot.com/calendar/2016/3/2/86999-WMS