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Skip Navigation LinksDNREC : Division of Waste & Hazardous Substances : Info : Regulations : Regional Greenhouse Gases

Regulation No. 1147, "Regional Greenhouse Gas Initiative to
Address Carbon Dioxide Emissions from Electric Generating Units”



RGGI Northeast mapThis new regulation will create Delaware's portion of a multi-state Carbon Dioxide (CO2) cap-and trade program. The cap-and-trade program was developed by the Regional Greenhouse Gas Initiative, or RGGI, which is a cooperative effort among a number of Northeastern and Mid-Atlantic States. The RGGI Memorandum of Understanding (MOU) was originally signed by Connecticut, Delaware, Maine, New Hampshire, New Jersey, New York and Vermont and subsequently by Maryland, Massachusetts, and Rhode Island. The purpose of RGGI is to reduce the emissions of CO2 from EGUs. CO2 is a greenhouse gas that contributes to global warming.

Between 2009 and 2015 the emissions of CO2 from any EGU with a maximum rated heat input capacity of equal to or greater than 25 megawatts that is located in a RGGI state would be stabalized at current levels (approximately 7.5 million tons). After 2015 the carbon dioxide emissions would be reduced incrementally to achieve a 10 percent reduction by 2019. Under the cap-and-trade program one allowance will be issued for each ton of CO2 emissions allowed by the cap. Each subject EGU will be required to have enough allowances to cover its reported emissions for the 3-year control period. The EGUs may buy or sell allowances, but individual EGU emissions shall not exceed the amount of allowances it possesses. The total amount of the allowances will be equal to the emissions cap for the RGGI states.

Path Forward
Delaware’s anticipated schedule for adopting Regulation No. 1147 is: 

  • Start Action Notice Approved - Complete
  •  RGGI Workgroup Meetings
    • February 27, 2008
    • March 26, 2008  RESCHEDULED – March 19, 2008
    • April 30, 2008    RESCHEDULED – April 30, 2008
    • May 28, 2008    RESCHEDULED – May 21, 2008
    • June 18, 2008
  • Draft Regulatory Language Available - May 2008
  • Public Workshops - June 2008
  • Public Hearings - October 2008
  • Planned Effective Date - December 2008

RGGI Workgroup

RGGI Workgroup & Public Comments


The regulation is being appealed to the Environmental Appeals Board

Final Actions 
On Oct. 15, 2008 DNREC Secretary John A. Hughes approved Regulation 1147

Public Hearing - September 22, 2008

Public Workshop - August 7, 2008

RGGI Workgroup Meetings

Meeting #5
June 18, 2008    (1 pm – 3 pm) 
Priscilla Building Conference Room
156 S. State Street, Dover DE
Map & Driving Directions to the Priscilla Building Office

Meeting #4

May 21, 2008**   (1 – 3 pm)  **This meeting has been rescheduled from May 28, 2008.
Grantham Conference Room
715 Grantham Lane, New Castle DE
Map & Driving Directions to the Grantham Office 

Meeting #3

April 16, 2008**   (1 – 3 pm)  **This meeting has been rescheduled from April 30, 2008.
Grantham Conference Room
715 Grantham Lane, New Castle DE
Map & Driving Directions to the Grantham Office 

Meeting #2

March 19, 2008 **  (1 – 3 pm)  **This meeting has been rescheduled from March 26, 2008.
Conference Room, Priscilla Building
156 S. State Street Dover DE
Map & Driving Directions to the Priscilla Bldg 

Meeting #1

February 27, 2008    (1 – 3 pm)
Conference Room A, Lukens Building
391 Lukens Drive New Castle DE
Map & Driving Directions to the Lukens Bldg 

RGGI Model Rule

Start Action Notice



For information regarding Regulation No. 1147 in Delaware contact:

Valerie Gray
  156 South State Street
Dover, Delaware 19901
(302) 739-9402
FAX: (302) 739-3106


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