Document ymJrGezOKgwmp0wB0Xab3Yek2

USCA Case #24-1190 Docurnent #2062093 Filed: 06/27/2024 Page 63 of 92 Attachment C to Declaration of Dale E. Lebsack, Jr., President of Talen Montana, LLC and Chief Fossil Officer for Talen Energy Corporation Economic Study by Dr. Patrick M. Barkey, Ph.D. Sierra Club FOIA 2025-EPA-04883 ED_018388_00000309-00063 SC_EVERSPLIT0006226