1. Market Credit Working Group update to the Wholesale Market Subcommittee
9/27/2017

2. MCWG update to WMS
Joint meeting of MCWG and CWG on Wednesday, September 20th
1 NPRR reviewed for credit impacts
No credit impact
CRR Auction Credit Calculator
Option 1 – Better information on ERCOT website – update calculation methodology
Option 2 – ERCOT to provide calculator outside of CRR system
Option 3 – CRR Calculator (vendor solution)

3. MCWG update to WMS Credit Exposure Update
Changes from May-June 2017 to July-August 2017
Number of active Counter-Parties increased from 204 to 213.
6 new Traders and 3 new Load Only entities.
Market-wide TPE decreased from 365 million to 331 million.
Excess Collateral increased from 1,566 million to 1,628 million.
TPE of CRR Only and Trader category as a percentage of Total TPE increased by 1.57% and 1.61% .
Excess Collateral for Load and Gen increased by $48 million.

4. MCWG update to WMS Approved Revision / Change Requests
* Estimated Target Release Date is May 2018 (will be firmed up in the near future)

5. MCWG update to WMS North Maple ADR ERCOT Credit Discretion and Timing
How could/should future events be handled differently?