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                                                                 Exhibit 21(CEC)







                           LIST OF SUBSIDIARIES
                           --------------------
                                    OF
                                    --
                       CENTERIOR ENERGY CORPORATION
                       ----------------------------




         The subsidiaries of Centerior Energy Corporation, all wholly owned, are
         The Cleveland Electric Illuminating Company, The Toledo Edison Company,
         Centerior Service Company, Centerior Properties Company, Centerior
         Enterprises Company and Market Responsive Energy, Inc. All those
         subsidiaries are incorporated under the laws of the State of Ohio and
         do not do business under any names other than those listed above,
         except that The Cleveland Electric Illuminating Company does business
         under the trade name The Illuminating Company.



















March 26, 1997