Regional Greenhouse Gas Initiative

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

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Regulated Sources

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The RGGI CO2 Budget Trading Programs regulate emissions from fossil fuel-fired power plants with a capacity of 25 MW or greater located within the RGGI States ("CO2 budget sources" or "sources"). The RGGI CO2 Budget Trading Program became effective as of January 1, 2009. CO2 budget sources are required to possess CO2 allowances equal to their CO2 emissions over a three-year control period.

A CO2 allowance represents a limited authorization to emit one short ton of CO2 from a regulated source, as issued by a participating state. CO2 allowances are issued by each state in an amount defined in each state's applicable statute and/or regulations.

The table below shows:

  • Each state's share of the 2016 RGGI cap ("Base Budget").
  • The number of CO2 allowances allocated by each state in 2016 ("Adjusted Budget").
  • Each state's percentage of the 2016 RGGI adjusted cap ("Percent of RGGI Adjusted Cap").
  • The number of CO2 budget sources located within each state.

To view additional information about individual sources located within in a particular state click on the name of the state listed in the left-hand column of the table below.

 

State CO2 Budgets,
Share of Regional Cap and CO2 Budget Sources

Current (2016)
  CO2 Base Budget CO2 Adjusted Budget Percent of RGGI Adjusted Cap CO2 Budget Sources
Connecticut 5,600,983 4,182,120  6% 16
Delaware 3,863,993 2,862,188  4% 10
Maine 3,115,436 2,327,102  4% 6
Maryland 19,355,622 14,385,683  22% 16
Massachusetts 13,771,805 10,238,857  16% 27
New Hampshire 4,514,529 3,372,166  5% 5
New York 33,489,399 24,967,083  39% 76
Rhode Island 2,172,154
1,819,759
 3% 6
Vermont 622,954 460,509  1% 2
TOTAL 86,506,875 64,615,467 100%

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