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 (firstname.lastname@example.org).
All messages are processed in the order in which it was received.
Need to report a cyber-attack or incident: EDICYBERISSUE@duqlight.com or 412-393-5111
Door to Door Marketing Notifications:
Supplier Service Center | Duquesne Light Company 411 Seventh Avenue, 14-1 (Suite 1430) | Pittsburgh, PA 15219