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                                                                EXHIBIT 21 (CEC)



                                      
                             LIST OF SUBSIDIARIES
                             --------------------
                                      OF
                                      --
                         CENTERIOR ENERGY CORPORATION
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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, CCO Company,

Dynamic Energy Ventures, Inc. and Diagnostic Services Group, 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.