Technical Workshop on IMM and ERCOT Reports Concerning Impacts of Real-Time Co-Optimization and Marginal Losses

September 06, 2018
01:00 PM
ERCOT Austin Room 206
7620 Metro Center Dr.
Austin, TX 78744
Teleconference: 877-668-4493
Meeting number: 626 289 254
Meeting password: RTCML


At the August 9, 2018 Open Meeting, the Public Utility Commission of Texas (PUC) requested that the IMM and ERCOT host a technical workshop on the filed reports concerning impacts of Real-Time Co-Optimization and Marginal Losses in PUC Project No. 47199, Project to Assess Price-Formation Rules in ERCOT’s Energy-Only Market.

The IMM and ERCOT will present a high-level summary of the assumptions and findings in the reports before addressing technical questions and comments. To aid in an effective technical workshop, ERCOT encourages stakeholders to submit any questions or comments on the reports, including software and data used for such reports, to Dan Jones, ERCOT Principal Commercial Operations, at, by Close of Business on Wednesday, August 29, 2018. This requested deadline will allow the IMM and ERCOT sufficient time to coordinate on responses for the technical workshop. ERCOT requests that stakeholders note questions or comments in the submissions to align with PUC Project No. 48539 for Marginal Losses and PUC Project No. 48540 for Real-Time Co-Optimization. 

If possible, ERCOT will post any questions received and answers prior to the technical workshop on the Marginal Losses and Real-Time Co-Optimization webpages at the following locations and Otherwise, all questions and answers will be posted after the technical workshop.



Antitrust Admonition


1:00 PM


Marginal Losses



a) Overview of the Market changes needed for Implementation of Marginal Losses



b) ERCOT Study of the System Benefits of Incorporating Marginal Losses in SCED



c) Questions and Discussion




IMM Software to Estimate Benefits of Real-Time Co-optimization



a) IMM Study Overview – Inputs and Results



b) Questions and Discussion




Study of Operational Improvements and Other Benefits with Implementation of Real-Time Co-optimization



a) Study of Operational Improvements and Other Benefits with RTC



b) QSE Impacts from RTC



c) Questions and Discussion






4:30 PM





Questions and Responses – Marginal Losses Study



Questions and Responses – Benefits of Real-time Co-Optimization


IMM Software to Estimate Benefits of Real-time Co-Optimization