Duquesne Light Company has certified to the Pennsylvania Public Utility Commission that this is an accurate electronic representation of the tariffs which are officially filed at the Commission.

Users of electronic tariffs should note, however, that such tariffs are not the official documents, and users assume responsibility for reliance upon tariffs in electronic format.

Current Tariff - Contains rules and regulations and schedule of rates and riders for electric service as approved by the Pennsylvania Public Utility Commission and currently in effect. The schedule of rates is available for download (right click, select Save Target As) in Adobe Acrobat Reader PDF format.

If you need the free Adobe Acrobat Reader you can download it from the  Adobe Acrobat Web Site.

Pending Supplements - Contains all tariff supplements that have been submitted to the Pennsylvania Public Utility Commission and are awaiting Commission action or have been approved by the Commission and are not yet effective.

Tariff History - Provides a description of the current tariff and all supplements thereto, including dates of submission, approval or other action by the Pennsylvania Public Utility Commission and effective date.

The current Supplier Tariff can be found at www.customer-choice.com

Duquesne Light Company submits filings to the Federal Energy Regulatory Commission (“FERC”). These filings are primarily related to the Company’s transmission rates.

FERC Annual Filing – Contains a copy of the Company’s annual filing submitted to FERC to establish a cost of service formula rate for determining its annual transmission revenue requirement in PJM. Attachment 1 contains the True-Up calculation and Attachment 2 contains the new Network Service Rate effective June 1, 2008.