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Submit specific information (i.e., customer name and account number, dates involved, EDI transactions, etc.) with a brief explanation of your problem or question to the Duquesne Light Co. Customer Choice Supplier email box ( 

Questions or problems will be answered on a timely basis when submitting them through the email box.

Contact Information:

  • Email :

  • Telephone:  412-393-6282

  • Fax:             412-393-5503

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