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Regional Greenhouse Gas Initiative

The Regional Greenhouse Gas InitiativeLink opens in new window - close new window to return to this page. 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.

Following a comprehensive 2012 Program Review, the RGGI states implemented a new 2014 RGGI cap of 91 million short tons. The RGGI CO2 cap then declines 2.5 percent each year from 2015 to 2020. The RGGI CO2 cap represents a regional budget for CO2 emissions from the power sector.

Each RGGI state has an individual CO2 Budget Trading Program. These programs are implemented through state regulations and/or legislation, but are regionally linked through CO2 allowance reciprocity, meaning an allowance issued by any participating state will be recognized by the other participating states. Due to this reciprocity, the RGGI states comprise a single regional carbon allowance market.

The RGGI participating states have each chosen to auction nearly all CO2 allowances and to invest the proceeds in consumer benefit programs to build a clean energy economy. These investments reduce greenhouse gas emissions and generate important consumer benefits, including lower energy bills, greater electric system reliability, and more jobs.

Pursuant to rules and regulations promulgated by NYSERDA and the NYS Department of Environmental Conservation (DEC), NYSERDA is responsible for administering periodic auctions for the sale of the emissions allowances. The proceeds from the sales of these allowances will be used by NYSERDA to administer energy efficiency, renewable energy, and/or innovative carbon abatement programs, and to cover the costs to administer such programs.

NYSERDA Part 507 is designed to complement the CO2 Budget Trading Program established by DEC Part 242. These two regulations establish the framework for the RGGI program in New York.

In addition to administering the auctions and investing the proceeds through a comprehensive portfolio of programs, NYSERDA is also responsible for interacting with the other RGGI states on key program design issues, technical analysis, and policy issues.

Last Updated: 03/20/2014