Figure C7. CINergy's and Subsidiaries' O&M Costs Minus Purchased Power Expenses, 1991-1997  (Real Dollars)
   Note 1: CINergy’s cost is the average of PSI Energy and Cincinnati Gas & Electric.
   Note 2: Union Light, Heat, and Power does not generate power.
   Source: Federal Energy Regulatory Commission, Form 1, “Annual Report of Major Electric Utilities, Licensees, and Others.”