1 Exhibit 12.1 NRG South Central Generating LLC Consolidated Ratio of Earnings to Fixed Charges For the Period March 30, 2000 (Inception) to June 30, 2000 ---------------- (In thousands) Earnings: Income before taxes $ 5,597 Add: Fixed Charges 18,861 ------- 24,458 ------- Fixed Charges: Interest expense 18,758 Amortization of debt costs 103 ------- $18,861 ------- Ratio of earnings to fixed charges 1.30