CMWG Update Mark Soutter - Invenergy LLC WMS November 2015 Meeting.

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Presentation transcript:

CMWG Update Mark Soutter - Invenergy LLC WMS November 2015 Meeting

CMWG Update 2016 CRR Activity Schedule Access to Data on Stability Limits -- GTLs Related to New Generation Interconnection Dynamic Ratings in Off-Peak CRR Models Multiple GTCs in the Panhandle

2016 CRR Activity Schedule Where necessary to avoid overlapping bid windows with monthly auctions, two Seq3 LTAS auctions and one Seq4 LTAS auction were pushed back by one week nd6.AnnualAuction.Seq st6.AnnualAuction.Seq st6.AnnualAuction.Seq3

2016 CRR Activity Schedule The Credit Release and Invoice Posting columns were combined: Column heading is now “Auction Invoice Posted and Credit Released On or Before This Date” The dates for both are always the same Removes extra column, making the calendar easier to read

2016 CRR Activity Schedule No substantial holiday conflicts observed st6.AnnualAuction.Seq3 only moved back by 1 week to avoid overlapping bid window with 2017.JAN.Monthly.Auction Biggest potential conflict is opening the bid window for the nd6.AnnualAuction.Seq4 auction on 1/2/2018 Falls in line with the typical Tuesday through Thursday bid window 2016 CRR Activity Schedule Endorsed by CMWG without comment

FIS Reports & Market Information Asymmetry Brad Bell of E.On brought draft NPRR/PGRR language for discussion Potential for unintended consequences relating to project confidentiality Is a standardized Executive Summary for Stability Studies the answer? ERCOT (Jeff Billo) will convene a small meeting with TSPs and IEs to explore potential solutions and bring them back to CMWG

Dynamic line ratings in Off-Peak CRR Model Luminant presented a proposal to utilize off-peak temperatures in the CRR auctions (including the LTAS and monthlies) The proposal would improve the representation of the transmission system for dynamically rated lines in the off-peak Would increase off-peak CRR availability with limited risk of over-sell Doubles computing needs to build both models Requires model to pull outages twice, bumping the schedule a day which would miss the weekly outage model load

Multiple GTCs in the Panhandle At RPG the concept was raised of multiple GTCs in the Panhandle Short Circuit Ratio and Voltage Stability could have different interfaces with different GTLs Potential item for November CMWG meeting

Questions?