Delaware Public
Service Commission

Electric Regulation

Table of Contents

Opens in new windowRole of the Commission

In 1999, the General Assembly passed legislation restructuring the electric industry in Delaware. Prior to restructuring, the generation, transmission, and distribution of electric power by investor-owned utilities was fully regulated by the PSC. With restructuring, the generation of electric power became deregulated, leaving only distribution services under the regulatory control of the PSC. The pricing of electric transmission is regulated by the Federal Energy Regulatory Commission (FERC) Opens in new window

Opens in new windowRegulated Utilities

Delmarva Power: Website Opens in new windowDelaware Tariff Opens in new window

Opens in new windowConsumer Information

Opens in new window Electric Choice – Customers of the Delaware Electric Cooperative and Delmarva Power may now have a choice in which company will provide their electric energy supply (distribution of electric will still remain with the respective utility).  For more information on electric customer choice in Delaware, please visit the Customer Electric Choice Opens in new window page.

Delmarva Power Integrated Resource Plan

On November 30, 2016, Delmarva Power & Light Company filed an Integrated Resource Plan (“IRP”) with the Public Service Commission. Such submission is required by 26 Del. C. §1007(c) (1) and Commission regulations found at 26 Del. Admin. C. §3010. The IRP reflects the end result of an integrated resource planning process by Delmarva during which it has systematically evaluated all actions or options for procuring, creating, or load-managing electric supply to meet, at minimal cost, the needs of its Standard Offer Supply retail customers over a ten-year planning period. Read the plan Opens in new window.

General Information

For general consumer information, including how to file a complaint, please visit our Consumer Assistance page.

Delaware Public Service Commission Frequently Asked Questions (FAQs)

Delmarva Power Opens in new window provides important consumer information on billing, customer service issues and safety.

Energy Procurement for Standard Offer Service (“SOS”) customers of Delmarva Power and Light Opens in new window

Consumer Reference – The following websites offer consumer information about electric issues:

The Delaware Division of Energy and Climate Opens in new window offers educational material on a wide variety of energy issues, including energy conservation, energy and the environment, green energy, and others.

Federal Energy Regulatory Commission (FERC) Opens in new window

U.S. Department of Energy Opens in new window

Energy Efficiency and Renewable Energy (EERE) Opens in new window

Energy Information Administration Opens in new window

Opens in new window Important or Pending Cases

A list of electric related cases filed with the Commission is available on the Commission’s Regulated Utility Filings page. Cases filed after July 7, 2014 are available through the DelaFile E-filing system. Opens in new window

Following is a list of cases that have, or are likely to, generate a significant amount of public interest. To assist the public with participation in these matters, summaries with docket numbers are provided below along with a link to our Delafile system for related documents.

All case related documents are available for review by appointment at the Commission Office in Dover, Delaware.

PSC Docket No. 22-0897 – On December 15, 2022, Delmarva Power & Light Company filed an application seeking approval for a $72,341,000 increase in electric distribution rates. For a typical residential customer using an average of 844 kWh, the bill impact is an increase of 8.35% or $10.41. The application is available through the Delafile E-filing system.

Opens in new windowLocal, Regional, and National Issues

Electric Industry Restructuring in Delaware

Regulatory Authority: 26 Delaware Code, Chapter 10 Opens in new window

List of Certified Electric Suppliers can be found on the customer electric choice page along with additional contact information. Before switching, we encourage you to look at this list of questions to ask potential electric suppliers Opens in new window.

Customer-Owned Generation: Interconnection standards Opens in new window for customers of Delmarva Power who own on-site generation under one megawatt (MW) and wish to interconnect with the utility electric grid. Delmarva Power submitted its Annual Small Generator Interconnection Report Opens in new window As of December 31, 2013. Delmarva Power submitted their Net Metering Report for the 2013 calendar year Opens in new window as required by 26 Del.

Electric Transmission: PJM Interconnection LLC Opens in new window (PJM) is the regional transmission organization (RTO) responsible for the transmission of electricity in the region that includes all or parts of Delaware , Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia and the District of Columbia.

The National Association of Regulatory Utility Commissioners (NARUC) : NARUC membership is comprised of the governmental agencies engaged in the regulation of utilities and carriers in the fifty States, the District of Columbia, Puerto Rico and the Virgin Islands. The NARUC website Opens in new window provides information about the issues facing the energy, telecommunications, and water/wastewater industries at the national level.

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