TABLE AC SOUTH CAROLINA PUBLIC SERVICE AUTHORITY SUMMARY OF POTENTIAL RELIABILITY ISSUES 2024 SUMMER PEAK - WS2 Potential Potential Element Contingency Solution Issue ($2013) Existing Operating Base Case Georgetown-Campfield Loading Procedure [2024] Winyah-Campfield 115 kV Line (107.0 %) Open Winyah 230/115 kV 230 kV Line Transformer Kingstree-Hemingway Base Case Kingstree-Hemingway Loading 230 kV Line 2 Marion-Red Bluff 230 kV Line (93.0 %) [New Project 2024] 230 kV Line $33,000,000
TABLE AC SOUTH CAROLINA PUBLIC SERVICE AUTHORITY SUMMARY OF POTENTIAL RELIABILITY ISSUES 2024 SUMMER PEAK - WS2 Element Contingency Potential Issue Potential Solution ($2013) Georgetown-Campfield 115 kV Line Base Case Winyah-Campfield 230 kV Line Loading (107.0 %) Existing Operating Procedure [2024] Open Winyah 230/115 kV Transformer Kingstree-Hemingway 230 kV Line Base Case Marion-Red Bluff 230 kV Line Loading (93.0 %) Kingstree-Hemingway 230 kV Line 2 [New Project 2024] $33,000,000
2013_Carolinas_Wind_Study_Report_FINAL_redacted.docx