Role of the Commission

The Delaware Public Service Commission regulates only the distribution of natural gas to Delaware consumers. The delivery and administrative costs associated with natural gas distribution are determined in base rate proceedings before the Commission. The recovery of costs associated with the natural gas used by customers is determined annually as part of fuel adjustment proceedings. As a result of this process, rates for natural gas will typically change at least once a year. Fuel adjustment rates for natural gas may also change during the annual recovery period when the projected recovery of gas costs exceeds limits set for the over or under-collection of gas costs. Occasionally, natural gas distribution companies are permitted by their tariff to collect additional fees, often called 'riders', to recover unanticipated or extraordinary expenses. For instance, both regulated natural gas distribution companies have an 'environmental rate rider' to recover costs associated with the clean up of pollution from old manufactured gas sites. These rider rates are determined in separate proceedings before the Commission.

The Commission does not regulate the costs charged by propane gas providers: questions related to propane costs should be directed to the specific provider. The Commission does administer the Natural Gas Pipeline Safety Program for the U.S. Department of Transportation's Office of Pipeline Safety which relates to the operation of both propane and natural gas distribution systems.

Regulated Utilites

Consumer Information

Important or Pending Cases

A complete list of all natural gas related cases filed with the Commission is available on the Commission's Regulated Utility Filings page.

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, links to the application or formal complaint, the procedural schedule (if applicable), and Commission Orders entered in a case are provided here. In limited cases, additional documents are available for viewing from the website.

All case related documents are available for review by appointment at the Commission Office in Dover, Delaware, or at the Office of the Public Advocate in Wilmington, Delaware.

Chesapeake Utilities Corporation - Delaware Division

PSC Docket No. 12-292 (Filed June 25, 2012)
IN THE MATTER OF THE APPLICATION OF CHESAPEAKE UTILITIES CORPORATION FOR APPROVAL OF NATURAL GAS EXPANSION SERVICE OFFERINGS - Chesapeake Utilities Corporation has filed an application for approval of proposed natural gas service offerings within its Delaware service areas and specifically within areas of southeastern Sussex County, Delaware.

  • On November 5, 2013, the Commission held an Evidentiary Hearing regarding this matter. At this meeting, the Commission signed Order No. 8479 approving the settlement agreement that had been reached by the parties.
  • On October 1, 2013, Chesapeake Utilities Corporation filed a letter addressed to the Executive Director requesting that this matter be heard directly before the Commission. The letter includes the following attachments:
    • Cover Letter - Addressed to the Executive Director
    • Exhibit A - an executed copy of the Proposed Settlement Agreement
    • Exhibit B - Public Notice of an Evidentiary Hearing at 1 p.m. on Tuesday, November 5, 2013 directly before the Public Service Commission.
    • Exhibit C - Supplemental Testimony of Jeffrey Tietbohl, Vice President of Chesapeake Utilities Corporation that was filed original on July 24, 2013.
  • A public comment session for this matter was held on September 12, 2013 at 7:00 p.m. at the Cape Henlopen High School Theatre. Please see the Public Notice for more information.
  • Supplemental Direct Testimony was filed by Jeffrey R. Tietbohl on July 24, 2013 offering a Revised Proposal in the proceeding.
  • Hearing Examiner's Report of Mark Lawrence dated February 6, 2013
  • Order No. 8174 opening the docket and directing public notice of the filing was signed on July 3, 2012.

PSC Docket No. 13-351F - (Filed September 3, 2013)
IN THE MATTER OF THE APPLICATION OF CHESAPEAKE UTILITIES CORPORATION FOR APPROVAL OF A CHANGE IN ITS GAS SALES SERVICE RATES ("GSR") TO BE EFFECTIVE NOVEMBER 1, 2013 - This is Chesapeake's application to establish its annual GSR for the period November 1, 2013 through October 31, 2014. The rate is subject to refund pending review.

  • Orders
    • On March 4, 2014, the Commission reviewed a Staff Memorandum and signed Order No. 8520 approving Chesapeake's request to increase their current Gas Sales Service Rates on a temporary basis, waive Chesapeake's tariff provision which requires Chesapeake to file again for revised rates within the current GSR sales period, waive the 60-day notice requirement for rate changes and issue a public notice of the requested rate changes.
    • On December 5, 2013, the Commission signed Order No. 8492 reassigning the Hearing Examiner for this matter.
    • On September 26, 2013, the Commission signed Order No. 8458 opening the docket and assigning the matter to a Hearing Examiner.

PSC Docket No. 13-383 - (Filed October 1, 2013)
IN THE MATTER OF THE APPLICATION OF CHESAPEAKE UTILITIES CORPORATION FOR APPROVAL OF CHANGES TO THE TRANSPORTATION AND BALANCING RIDER AND THE GAS SUPPLIER SCHEDULE OF ITS TARIFF - Chesapeake Utilities Corporation has filed an application requesting permission to revise its current Transportation Rider to establish a new approach to its allocation of the cost of interstate pipeline capacity to transportation customers. In addition, Chesapeake requests permission to make other changes throughout the Transportation Rider and its Gas Supplier Schedule either to clarify existing language or to modify the mechanics of the transportation program in order to improve efficiency.

  • On November 5, 2013, the Commission approved Order No. 8481 opening the docket, assigning the matter to a Hearing Examiner specifically for the purposes of granting or denying intervention petitions and for admission of counsel pro hac vice, setting the intervention period, and directing the public notice.

Delmarva Power & Light

PSC Docket No. 14-193 - On June 18, 2014, Delmarva Power & Light Company filed an application seeking approval of a proposed merger between Exelon Corporation, Pepco Holdings, Inc., and Purple Acquisition Corporation.

PSC Docket No. 13-349F - (filed August 28, 2013)
IN THE MATTER OF THE APPLICATION OF DELMARVA POWER & LIGHT COMPANY FOR APPROVAL OF MODIFICATIONS TO ITS GAS COST RATES - This is Delmarva's annual filing proposing natural gas demand and commodity charges effective November 1, 2013.

  • Orders
    • On July 8, 2014, the Commission signed Order No. 8578 approving the Findings and Recommendations of the Hearing Examiner and the proposed Settlement Agreement.
    • On December 5, 2013, the Commission signed Order No. 8491 reassigning the Hearing Examiner for this matter.
    • On September 26, 2013, the Commission signed Order No. 8457 opening the docket and assigning the matter to a Hearing Examiner.
  • The Hearing Examiner appointed by the Delaware Public Service Commission will conduct a public evidentiary hearing concerning the above-captioned case on Thursday, April 24, 2014 at 10:00 a.m. Please see the Public Notice for more information. The parties will present the Proposed Settlement Agreement to the hearing examiner for his consideration at the evidentiary hearing.
  • Hearing Examiner's Report dated June 19, 2014


PSC Docket No. 13-348 - (filed August 28, 2013)
IN THE MATTER OF THE APPLICATION OF DELMARVA POWER & LIGHT COMPANY FOR AN ANNUAL UPDATE IN THE GAS ENVIRONMENTAL SURCHARGE RIDER RATE - This is Delmarva's annual filing updated the Environmental Surcharge Rider rate effective November 1, 2013.

  • Orders
    • On December 17, 2013, the Commission signed Order No. 8496 approving the settlement agreement.
    • On September 26, 2013, the Commission signed Order No. 8464 opening the docket. The Evidentiary Hearing and Public Comment Session have been rescheduled for Tuesday, December 17, 2013. Please see the public notice for more information.


PSC Docket No. 12-546 - (filed December 7, 2012)
IN THE MATTER OF THE APPLICATION OF DELMARVA POWER & LIGHT FOR AN INCREASE IN GAS BASE RATES - On December 7, 2012, Delmarva Power & Light Company filed with the Commission an application seeking approval of: (a) an increase in gas delivery rates of $12,174,435 or 7.87% of total revenues; (b) approval of a return of equity of 10.25%; (c) approval to implement a Utility Facility Relocation Charge Rider (Rider UFRC); (d) approval of a service extension tariff; and (e) miscellaneous tariff changes.

  • Testimony on behalf of the Caesar Rodney Institute
  • Orders
    • Order No. 8576 approving Delmarva's request to implement Phase I AMI rate changes in accordance with the Settlement Agreement was signed on June 26, 2014.
    • Order No. 8528 approving the proposed changes to Delmarva's Natural Gas Tariff as set forth in the Proposed Settlement Agreement regarding Gas Service Extension Tariff Changes was signed on February 6, 2014.
    • Order No. 8465 adopting the Findings and Recommendations of the Hearing Examiner and approving the proposed rates contained in Proposed Settlement Agreement was signed on October 22, 2013.
    • Order No. 8402 designating Mark Lawrence as the Hearing Examiner for this matter was signed on July 2, 2013.
    • Order No. 8406 granting Delmarva's request to implement, under bond and subject to refund, a portion of their requested rate increase as permitted by 26 Del. C. Section 302(b) was signed on July 2, 2013.
    • Order No. 8297 designating Connie McDowell as the Hearing Examiner for this matter was signed on February 21, 2013.
    • On January 8, 2012, the Commission entered Order No. 8271 opening the docket; suspending implementation of the proposed rates; permitting implementation of interim rates; appointing a Hearing Examiner; and directing publication of notice.
  • Public Notices
    • On February 6, 2014, starting at 1:00 p.m., the Commission will hold and Evidentiary Hearing to consider whether to grant the requested changes to Delmarva's Natural Gas Tariff pertaining to Main Extensions. Please see the Public Notice for more information.
    • The Evidentiary Hearings for this matter are scheduled to begin on Tuesday, August 27, 2013 at 10:00 am. Please see the Public Notice for more information.
    • The Public Comment Session for this matter was held on Wednesday, April 3, 2013 at 7:00 pm. Please see the Public Notice for more information.
  • Compliance Filings
    • Compliance Filing of Delmarva Power & Light Company dated March 18, 2014 for purposes of implementing the IMU Phase-In rate changes to become effective on July 1, 2014.


On December 21, 2010 Order No. 7882 was approved by the Commission. The order grants Delmarva Power & Light Company's Motion to consolidate PSC Docket No. 09-277T, the Company's application to institute a modified fixed variable rate design for gas customers, and 10-237, its gas base rate case. Documents related to the dockets can be found below.

PSC Docket No. 10-237 - (filed July 2, 2010)
IN THE MATTER OF THE APPLICATION OF DELMARVA POWER & LIGHT FOR AN INCREASE IN GAS BASE RATES - On July 2, 2010, Delmarva Power & Light Company filed with the Commission an application seeking approval of: (a) an increase in its natural gas base rates; (b) a proposed revenue decoupling rate design, and (c) miscellaneous tariff changes.

  • Commission Orders
    • Order No. 7808 - Suspending Delmarva Power & Light Company's rates and revised tariff sheets pursuant to 26 Del. C &306(a) (1) and subject to the implementation of itnerim rates as authorized herein, shall not be placed into force or effect except pursuant to law or further Order of the Commission, and then only to the extent such law or further Commission Order may permit or allow. Suspending proposed non-rate modifications to its tariffs until such time as a final Order in this proceeding is issued. Suspending proposed revenue decoupling rate design until such time as a final Order in this proceeding is issued. Delmarva's request to implement interim rates intended to produce an annual increase of $2.5 million in intrastate operating revenues, effective August 31, 2010 with proration and subject to refund, is granted.
    • Order No. 7904 (January 27, 2011) - Commission approval for Delmarva Power & Light Company to place into effect their full-proposed rate increase on February 2, 2011 subject to refund with interest, pending the Commission's final decision.
    • Order No. 7990 (June 21, 2011) - Adopting the Findings of Fact, Conclusions of Law and Recommendations of the Hearing Examiner and approving the Proposed Settlement Agreement, in its entirety, submitted by Delmarva Power & Light Company, the Commission Staff and the Attorney General's office for usage on or after July 1, 2011. Delmarva Power & Light Company is authorized a return on equity of ten percent (10%) to produce an overall rate of return of 7.56 percent.
  • Public Notice

      Workshop August 29th, 10:00am at the Delaware Public Service Commission Hearing room (see PSC calendar for more information). The purpose of this workshop is to participate in discussion related to the development of the Modified Fixed Variable Rate Design also known as Revenue Decoupling for Delmarva's natural gas customers.

PSC Docket No. 09-277T (Filed June 25, 2009)
IN THE MATTER OF THE APPLICATION OF DELMARVA POWER & LIGHT COMPANY FOR APPROVAL OF A MODIFIED FIXED VARIABLE RATE DESIGN FOR NATURAL GAS RATES - On September 9, 2009, the Commission entered Order No. 7619, thereby opening a docket to examine the adoption of a modified fixed/variable rate design for Delmarva Power's natural gas business. See Order No. 7731 for more information.

Direct Testimony of:

Settlement Agreement

Hearing Examiner's Report



Local, Regional and National Issues

  • Liquefied Natural Gas ("LNG") - With the increase in natural gas prices and pressure on existing domestic supplies, the use of Liquefied Natural Gas is increasingly viewed as a viable alternative. Historically, LNG has been significantly higher in cost than natural gas, which has hampered efforts to make it available in large commercial quantities. Increasing natural gas prices have narrowed the pricing gap and new import facilities, such as Cove Point in Virginia and a proposed site at Crown Landing in New Jersey, are bringing permitting, siting, and safety issues to the forefront as pressure increases for fuel supplies. To find out more about LNG, visit the Center for Liquefied Natural Gas.

  • Natural Gas Choice - Beginning in May of 1999, a natural gas choice pilot program was initiated for a limited number of residential and general (small commercial) customers. Five third party suppliers were certified to participate in the program and approximately 7,000 customers enrolled in the program. Due to rising natural gas prices in the latter part of 2000 and the subsequent withdrawal of the third party suppliers, the Commission and Delmarva Power through a settlement agreement, terminated the program as of October 31, 2001. Interested parties continued to meet quarterly through April 2002 to review the status of natural gas choice; however, there are no proposals pending by either natural gas company.

  • The National Association of Regulatory Utility Commissioners ("NARUC") has two committees dedicated to addressing issues faced by the natural gas industry: the Natural Gas Committee and the Natural Gas Subcommittee. The Delaware Public Service Commission is represented on both committees.