Regional Greenhouse Gas Initiative

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

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Auction Results PDF Print E-mail

The RGGI Participating States publish auction results in a report on each CO2 Allowance Auction.

This page includes summary comparisons of auction data. Detailed reports on each auction are available below.

As shown in the Market Monitor Report for Auction 14:

  • 86 percent of the CO2 allowances auctioned in Auctions 1-14 were purchased by electric generators and their corporate affiliates;
  • 97 percent of the CO2 allowances in circulation will be held by electric generators and their corporate affiliates ("compliance entities") following the settlement of Auction 14.
 

Allowance & Bid Statistics (by Auction)

This chart includes data on participation in the current control period offering in each RGGI CO2 Allowance Auction.

 

Auction Number of Potential Bidders Ratio of Bids to Supply Percent of Allowances Won by Compliance Entities
Auction 14 49 0.63 99%
Auction 13 41 0.18 94%
Auction 12 47 0.3 91%
Auction 11 49 1.1 85%
Auction 10 49 0.57 97%
Auction 9 56 0.75 92%
Auction 8 53 1.3 92%
Auction 7 61 2.3 85%
Auction 6 74 2.6 65%
Auction 5 59 2.5 77%
Auction 4 67 2.6 85%
Auction 3 63 2.5 78%
Auction 2 84 3.5 87%
Auction 1 82 4.1 82%

Allowances Offered & Sold (by Auction)

This chart displays the results of each RGGI CO2 Allowance Auction. To view a state-by-state breakdown for each auction, click on the auction number listed in the left-hand column.

Auction Number Control Period Quantity Offered Quantity Sold Clearing Price Total Proceeds
Auction 14
12/07/2011
First 42,983,482 27,293,000 $1.89 $51,583,770.00
Second 1,864,951 0 --
Auction 13
09/07/2011
First 42,189,685 7,487,000 $1.89 $14,150,430.00
Second 1,864,951 0 --
Auction 12
06/08/2011
First 42,034,184 12,537,000 $1.89 $25,477,200.00
Second 1,864,952 943,000 $1.89
Auction 11
03/09/2011
First 41,995,813 41,995,813 $1.89 $83,425,588.47
Second 2,144,710 2,144,710 $1.89
Auction 10
12/01/2010
First 43,173,648 24,755,000 $1.86 $48,224,220.00
Second 2,137,991 1,172,000 $1.86
Auction 9
09/10/2010
First 45,595,968 34,407,000 $1.86 $66,437,340.00
Second 2,137,992 1,312,000 $1.86
Auction 8
6/09/2010
First 40,685,585 40,685,585 $1.88 $80,465,566.78
Second 2,137,993 2,137,993 $1.86
Auction 7
3/10/2010
First 40,612,408 40,612,408 $2.07 $87,956,944.56
Second 2,137,992 2,091,000 $1.86
Auction 6
12/2/2009
First 28,591,698 28,591,698 $2.05 $61,587,120.90
Second 2,172,540 1,599,000 $1.86
Auction 5
9/9/2009
First 28,408,945 28,408,945 $2.19 $66,278,239.35
Second 2,172,540 2,172,540 $1.87
Auction 4
6/17/2009
First 30,887,620 30,887,620 $3.23 $104,242,445.00
Second 2,172,540 2,172,540 $2.06
Auction 3
3/18/2009
First 31,513,765 31,513,765 $3.51 $117,248,629.80
Second 2,175,513 2,175,513 $3.05
Auction 2
12/17/2008
First 31,505,898 31,505,898 $3.38 $106,489,935.24
Auction 1*
9/25/2008
First 12,565,387 12,565,387 $3.07 $38,575,738.09

 

*Six states participated in Auction 1

Cumulative Allowances & Proceeds (by State)

This chart displays cumulative auction results organized by state. To view an auction-by-auction breakdown for each state, click on the state name listed in the left-hand column.

State Cumulative Current Control Period Allowances Sold Cumulative Future Control Period Allowances Sold Cumulative Proceeds
Connecticut 22,740,175 1,008,453 $53,766,334.06
Delaware 9,952,619 598,105 $23,899,194.83
Maine 11,797,376 529,968 $28,739,255.01
Maryland 74,176,704 3,242,738 $180,315,816.60
Massachusetts 62,024,346 2,775,232 $150,391,181.65
New Hampshire 14,380,244 727,933 $34,720,251.78
New Jersey 46,266,477 2,217,293 $113,344,551.27
New York 142,786,651 6,417,617 $ 344,879,059.72
Rhode Island 6,244,404 275,818 $15,120,306.03
Vermont 2,877,123 127,139 $6,967,217.24
Total 393,246,119 17,920,296 $952,143,168.19

Cumulative Unsold Allowances from the First RGGI Control Period (by State)

This table shows first control period allowances offered for sale by the states at RGGI Auctions 1-14 that were not sold. See the 2012 Auctions Update for further information regarding the treatment of these allowances by the states.

State Allowances Offered but not Sold
Connecticut 6,480,908
Delaware 3,005,957
Maine 3,173,770
Maryland 19,794,971
Massachusetts 16,831,266
New Hampshire 3,808,726
New York 38,801,402
Rhode Island 1,704,299
Vermont 788,109
TOTAL for States Participating in the Second RGGI Control Period (2012-2014) 94,389,408
New Jersey 15,108,555
TOTAL for All States 109,497,963