DLC Customer-Choice

EGS Registration  


EDI Testing  

Helpful Links  


Standard Offer  

EDC Lookup  
















Electric Generation Supplier Coordination Tariff
Duquesne Light Company's Supplement No. 29 to Tariff No. 3S was issued on June 7, 2021, to become effective on June 17, 2021. In Supplement No. 29, language has been updated to reflect the name of the Company's President and Chief Executive Officer effective as of June 1, 2021. In addition, Original Pages No. 2A - 2G have been removed from Tariff No. 3S as they are no longer necessary. All seven (7) pages are cancelled out with Twenty-Fifth Revised Page No. 2. And, the Table of Contents has been revised to reflect the removal of Pages No. 2A - 2G from the List of Modifications. PaPUC Docket No. R-2021-3026316. Secretarial Letter Dated June 16, 2021.

Pending Tariff Supplements

Tariff History

Duquesne Light Retail Tariff Menu


  • The PDF format uses Adobe Acrobat Reader. If you need the free Adobe Acrobat Reader software you can download it from the Adobe Acrobat Web Site . Please review Adobe's system requirements for using Acrobat Reader, to ensure you will be able to read the PDF file.