Regional Greenhouse Gas Initiative

an initiative of the Northeast and Mid-Atlantic States of the U.S.

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Welcome

The Regional Greenhouse Gas Initiative (RGGI) is the first market-based regulatory program in the United States to reduce greenhouse gas emissions. RGGI is a cooperative effort among the states of Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New York, Rhode Island, and Vermont to cap and reduce CO2 emissions from the power sector.

A CO2 allowance represents a limited authorization to emit one short ton of CO2 from a regulated source, as issued by a participating state. The RGGI CO2 cap represents a regional budget for CO2 emissions from the power sector. See the RGGI Cap page for more information.

States sell nearly all emission allowances through auctions and invest proceeds in energy efficiency, renewable energy, and other consumer benefit programs. These programs are spurring innovation in the clean energy economy and creating green jobs in the RGGI states.

This website provides a portal for official user platforms, state applications, and materials for participants in RGGI, as well as current information about the status of RGGI auctions and state rules.

If you would like to receive email updates on RGGI CO2 allowance auction notices, auction results, and other news, please subscribe to the RGGI Mailing List.

Countdown to Auction 39 March 14, 2018 :

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RGGI Inc. is a nonprofit corporation created to provide technical and administrative services to the Regional Greenhouse Gas Initiative CO2 budget trading programs of Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New York, Rhode Island and Vermont.