Exhibit (23)-1
                                     Unicom Corporation
                                     Form 10-K File No. 1-11375


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
                   -----------------------------------------
                                        

     As independent public accountants, we hereby consent to the incorporation
by reference in this Form 10-K of our report dated January 30, 1998 on Unicom
Corporation and subsidiary companies' consolidated financial statements as of
and for the year ended December 31, 1997 (Report), included in Unicom
Corporation's Current Report on Form 8-K dated January 30, 1998, to the
inclusion in this Form 10-K of our report dated January 30, 1998, on the
supplemental schedule of Unicom Corporation as of and for the year ended
December 31, 1997, and to the incorporation of such reports into Unicom
Corporation's previously filed prospectuses dated March 18, 1994, constituting
part of Form S-4 Registration Statement File No. 33-52109, as amended (relating
to Common Stock of Unicom Corporation), as further amended by Post-Effective
Amendment No. 1 on Form S-8 (relating to Commonwealth Edison Company's Employee
Savings and Investment Plan) and Post-Effective Amendment No. 2 on Form S-8
(relating to Unicom Corporation's Employee Stock Purchase Plan), Form S-8
Registration Statement File No. 33-56991 (relating to Unicom Corporation's Long-
Term Incentive Plan), Form S-4 Registration Statement File No. 333-01003
(relating to the common stock of Unicom Corporation), Form S-8 Registration
Statement File No. 333-04749 (relating to Unicom Corporation's 1996 Directors'
Fee Plan), Form S-8 Registration Statement File Nos. 333-10613 and 333-26779
(relating to Commonwealth Edison Company's Employee Savings and Investment Plan)
and Form S-8 Registration Statement File No. 333-39677 (relating to the Unicom
Corporation Management Deferred Compensation Plan). We also consent to the
application of our Report, incorporated by reference in this Form 10-K, to
Commonwealth Edison Company and subsidiary companies' ratios of earnings to
fixed charges and the ratios of earnings to fixed charges and preferred and
preference stock dividend requirements for each of the years ended December 31,
1997, 1996 and 1995 appearing in Exhibit 99 of Unicom Corporation's Current
Report on Form 8-K dated January 30, 1998.



                                         ARTHUR ANDERSEN LLP



Chicago, Illinois
March 27, 1998