Welcome

The Regional Greenhouse Gas Initiative (RGGI) is a cooperative, market-based effort among the states of Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont, and Virginia to cap and reduce CO2 emissions from the power sector. It represents the first cap-and-invest regional initiative implemented in the United States.

Following a comprehensive Program Review in 2017, the RGGI states implemented a new cap reduction trajectory of 30% over the period 2020 to 2030. The RGGI CO2 cap represents a regional budget for CO2 emissions from the power sector. See Program Overview for more information.

States sell nearly all CO2 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, subscribe to the RGGI Mailing List.