EXHIBIT 12 COMPUTATION IN SUPPORT OF RATIO OF EARNINGS TO FIXED CHARGES For Year Ended December 31, 1995 (Dollar Amounts in Thousands) Allegheny Generating Company Earnings: Net Income $ 27,224 Fixed charges (see below) 18,361 Income taxes 13,561 Total earnings $ 59,146 Fixed Charges: Interest on long-term debt $ 16,859 Other interest 1,502 Estimated interest component of rentals --- Total fixed charges $ 18,361 Ratio of Earnings to Fixed Charges 3.22