AES Indiana — Corporate Update (June 2022)
10 slides from AES Indiana's corporate update, Jun 27, 2022
Slide 1: MISO Resource Adequacy Seasonal Construct Filing Overview
MISO Resource Adequacy Seasonal Construct Filing Overview AES Indiana’s Public Advisory Meeting June 27, 2022 1
Slide 2: MISO resource adequacy construct: requirements, accreditation, visibility
The MISO resource adequacy construct establishes planning requirements, assesses accredited resource value, and helps provide visibility into local and regional capacity sufficiency Requirements Accreditation Visibility What is needed for reliability How resources are counted, Portfolio trends in sh
Slide 3: Changing resource portfolio drives increased need for Resource Adequacy reforms
Changing resource portfolio with rapid growth of intermittent resources drives continued risk profile shifts and an increased need for Resource Adequacy reforms to address reliability imperative Emergency declarations Resource Portfolio continues Historical Emergency Future portfolio indicates Renew
Slide 4: Recently filed reforms to the Resource Adequacy construct
Recently filed reforms to the Resource Adequacy construct will help address today’s reliability challenges and prepare for the future Current Annual Construct Filed Sub-annual Construct Proposal MISO performs annual LOLE analysis to MISO will calculate 4 distinct sub-annual resource RA determine ann
Slide 5: Varying seasonal requirements with availability-based accreditation
Varying seasonal requirements across the year with availability-based accreditation recognizes different needs during times of the year Sample Calculation 150 (GW) 9.2 17.4 9.7 130 13.0 110 90 131.6 123.2 123.4 126.1 70 7.5% 11.8% 21.4% 26.3% 50 30 10 Summer Fall Winter Spring Seasonal Planning Rese
Slide 6: MISO conducts annual ELCC analysis for wind resources
MISO conducts annual Effective Load Carrying Capability analysis to determine capacity values for wind resources Effective load carrying capability (ELCC): The amount of incremental load a resource can dependably and reliably serve, while considering the probabilistic nature of generation shortfalls
Slide 7: Further renewable accreditation enhancements post seasonal alignment
MISO is pursuing further renewable accreditation enhancements post Seasonal alignment for non-thermal resources proposed in 2021 RAN filing Further Enhancements Seasonal Accreditation Resource Category Current Annual Accreditation currently underway Post- proposed in 2021 RAN filing Filing Annual EL
Slide 8: Contact Information
Contact Information Lynn Hecker lhecker@misoenergy.org
Slide 9: Enhanced modeling assumptions to better capture risks across the year
MISO utilizes enhanced modeling assumptions to better capture risks across the year High-Fidelity Modeling Purpose Intermittent Hourly 8760 wind and solar profiles for 30 Better reflect wind and solar actual availability Resources weather years vs. monthly fixed ELCC value and variability throughout
Slide 10: ELCC calculated by comparing two LOLE simulations
Effective Load Carrying Capability (ELCC) is calculated by conducting and comparing two LOLE simulations with and without the resource technology • Effective load carrying capability (ELCC): the amount of incremental load a resource can dependably and reliably serve, while considering the probabilis