
ERCOT Working Group Updates on Congestion Management and Point-to-Point Obligations
Get the latest updates from the ERCOT Working Group meetings discussing congestion management strategies, commercial impacts of DC tie curtailments, point-to-point obligations with options, and investigations into disproportionately high congestion triggers. Explore potential solutions and decisions made by the group in resolving these critical electricity transmission issues.
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Presentation Transcript
Congestion Management Congestion Management Working Group Update Working Group Update March 25, 2019 April 1, 2019 Sandy Morris
March 25, 2019 and April 1, 2019 Meetings March 25, 2019 and April 1, 2019 Meetings ERCOT Review of Commercial Impacts of DC Tie Curtailments NPRR929 PTP Obligations with Links to an Option DAM Award Eligibility NPRR918 Validation Clarification for PTP Obligations with Links to an Option Disproportionately high congestion trigger for ERCOT/TSP Investigation Transmission Outage Extension and Timing Review of Open Action Items
Review Commercial Impacts of DC Tie Curtailments Review Commercial Impacts of DC Tie Curtailments ERCOT reviewed the curtailment event of January 25, 2019 CMWG agreed to continue to review this issue (several options) Do nothing Treat this like N-0 Try to find pricing that would provide incentives for DC Ties Look at all DC Ties as we work toward a resolution
Point to Point Obligations with links to Options Point to Point Obligations with links to Options NPRR929 PTP Obligations with Links to an Option DAM Award Eligibility Listed as possible vote not ready ERCOT researching how the proposed language would have impacted several months of RENA in 2018 Several parties continue to have questions may file comments NPRR918 Validation Clarification for PTP Obligations with Links to an Option ERCOT reviewed Reliant comments asking for load forecast validation ERCOT could not find a way to validate the load forecast very complicated for some NOIEs This will not be back on the CMWG agenda
Disproportionately high congestion trigger for Disproportionately high congestion trigger for ERCOT/TSP Investigation ERCOT/TSP Investigation ERCOT reviewed a specific constraint brought to CMWG last meeting SWCSBOO8: BARL_FTSW1_1 ERCOT reviewed congestion in Far West ERCOT provided constrained elements exceeding $10,000/MW in February 2019 ERCOT provided a list of constrained elements that would stay constrained if turned to rolling 12 months rather than January 1 reset Open Action Items If you want a detailed look at a constraint bring to CMWG Shams bringing more detailed proposal back to CMWG
Transmission Outage Extension and Timing Transmission Outage Extension and Timing We reviewed a specific outage extension and discussed solutions to better outage coordination We will look at SPP metrics for transmission outage related performance ERCOT will look at the bandwidth for creating a market educational effort for Transmission Service Providers Do we want to review the criteria for HITE list (may need joint meeting with ROS working group)
Open WMS Action Items Open WMS Action Items Status On hold due to 47199 On hold for Directive 6 Complete In process Open Action Items Transmission losses in Real-Time Settlement Directive #7 (Southern Cross Transmission Assignment) Day-Ahead Market OD 1/23/18 Event Assignment Review the issue of High Revenue Neutrality Allocation (RENA) and PTP Obligations Virtuals in the Day-Ahead Market (DAM) being settled at a Resource Node while in Real-Time they are settled at the connectivity node Remove ask for example at WMS Examine whether capacity curtailed for purpose of binding base case violations should be included in Operating Reserve Demand Curve (ORDC) reserve calculations history of excluding capacity curtailment Consider pros/cons of increasing Congestion Revenue Right (CRR) balancing account cap Directive #4 (Southern Cross Transmission Assignment) - review ROS/OWG solutions ongoing On hold for ROS decision OWG is waiting on ERCOT whitepaper At April Board once implemented in system, review how effective Determine if there are additional refinements to SCR798, PTP Obligation Bid ID Limit
Open WMS Action Items Open WMS Action Items Open Action Items Review the auction design for CRR default CMWG review after MCWG done. NPRR912, Settlement of Switchable Generation Resources (SWGRs) Instructed to Switch to ERCOT - CMWG review without delay the compensation mechanism and market impacts of switching of SWGR for local issues. Status begin after MCWG Add to May agenda Review NPRR917, Nodal Pricing for Settlement Only Distribution Generators (SODGs) and Settlement Only Transmission Generators (SOTGs) Review CRR value impacts and hedging Add to May agenda Review the Load Distribution Factors (LDF) update/evaluation process during hurricanes ???
Open Self Assigned Action Items Open Self Assigned Action Items Status Seeking direction from CMWG members Goff one more month Seeking direction from CMWG members Clayton/EDF ongoing Open Action Items Operational Next-Day Study Discussion - Review outage cancellation rules Non-ERS deployments of ERS Generators Review of CRR LDFs and possible updates Resolved completed in release 3 ongoing RENA Workshop - Review of RASs RENA Workshop - Developing a Granular Forecast to improve RENA imbalances