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This information is for current electric generation suppliers or those who would like to register as an electric generation supplier to conduct business in Duquesne Light Company (DLC) territory.


Petition of Duquesne Light Company (No. P-2020-3019522)

EGS Registration

Getting Started

Electric Generation Supplier Onboarding Template

Form W-9

Individual Coordination Agreement Rider

Scheduling Coordinator Designation Form




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.

Tariff History

Duquesne Light Retail Tariff Menu 

Helpful Links

EDI Supplier Testing Schedule

Customer Choice | Duquesne Light Company

Supplier Choice Login (

EGS Portal : EDC Access Portal · Login (

EDEWG Files for Downloading | PA PUC

Electricity - Information for Consumers and Utilities | PUC | PA PUC

PJM - Home


Standard Offer

Standard Offer Program Rules and Agreement

Standard Offer Program - Reporting Template

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