Economically Optimum Reserve Margin (EORM) Workshop

    April 14, 2017
    09:30 AM
    ERCOT Austin
    Room 206
    7620 Metro Center Dr.
    Austin, TX 78744
    Teleconference: 877-668-4493
    Meeting number: 626 632 912
    Meeting password: 041417

    Agenda

    1.

    Introduction

    • Workshop goals and agenda/opening remarks by PUCT staff
    • Summary of the 2014 EORM Study
     

    2.

    Modeling the Electricity System

    • Supply
      • Thermal resources
      • Forced/planned thermal generator outages
      • Generator operational parameters, fuel prices and other costs
      • Private Use Network (PUN), switchable, and hydro resources
      • Wind and solar output/modeling
      • Demand-side resources
    • Demand
      • Load forecasts and uncertainty
    • Transmission
      • Transmission topology and import/export modeling
    • Market
      • Energy and ancillary markets
      • Scarcity pricing and emergency operating procedures
      • Marginal resource additions
      • Generator cost of new entry (CONE) and Value of Lost Load (VOLL)
     

    3.

    Results

    • Reserve Margin Accounting
    • Reliability Results
      • Reliability-Based Reserve Margin Targets
      • Intermittent wind and solar renewables ELCC estimation
    • Scenario Analysis
      • Purpose and scope of potential scenario analyses

    4.

    Study Process and Scope

    • Study frequency, simulation year selection, NERC LTRA alignment
    • Results for presentation (EORM/MERM)
    • Vetting of study results
    • Periodic methodology assessment and document updates

     

    5.

    Next Steps

    • Wrap up - Next steps, schedule and final Q&As