2.68 miles 477 ACSR Lee 3 Gm Tiger-BMW Delivery 1 Tap Reconductor Tiger-East Greenville Loading White 100 kV Line 1 [2027] Black 100 kV Line 1 (96.0 %) (Taylors) Accelerated 4 Years (Taylors) $370,000 New Central Lee 3 Gm Transformer Capacity Central 230/100 kV Loading Central 230/100 kV [2025] Transformer 1 (101.1 %) Transformer 3 Accelerated 3 Years $520,000 TABLE L DUKE ENERGY CAROLINAS SUMMARY OF POTENTIAL RELIABILITY ISSUES 2024 SUMMER PEAK - WS3 Potential Potential Element Contingency Solution Issue ($2013) 5% Reactors on Fiber Lee 3 Gm Lee-Toxaway 100 kV Lines Central-Lee Black and White Loading 100 kV Lines 1 and 2 [2026] 100 kV Lines 1 and 2 (97.7 %) (Toxaway) Accelerated 20 Years (Central) $1,415,000 (Full Cost)
Tiger-BMW Delivery 1 Tap White 100 kV Line 1 (Taylors) Lee 3 Gm Tiger-East Greenville Black 100 kV Line 1 (Taylors) Loading (96.0 %) 2.68 miles 477 ACSR Reconductor [2027] Accelerated 4 Years $370,000 Central 230/100 kV Transformer 1 Lee 3 Gm Central 230/100 kV Transformer 3 Loading (101.1 %) New Central Transformer Capacity [2025] Accelerated 3 Years $520,000 TABLE L DUKE ENERGY CAROLINAS SUMMARY OF POTENTIAL RELIABILITY ISSUES 2024 SUMMER PEAK - WS3 Element Contingency Potential Issue Potential Solution ($2013) Lee-Toxaway 100 kV Lines 1 and 2 (Toxaway) Lee 3 Gm Central-Lee Black and White 100 kV Lines 1 and 2 (Central) Loading (97.7 %) 5% Reactors on Fiber 100 kV Lines [2026] Accelerated 20 Years $1,415,000 (Full Cost)
2013_Carolinas_Wind_Study_Report_FINAL_redacted.docx