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Clean Air Markets

2011 SO2 Allowance Auction

2011 EPA Allowance Auction Results

Allowances Available for Auction
Origin of AllowancesSpot Auction
(First Usable in 2011)
7-Year Advance Auction
(First Usable in 2018 )
EPA125,000125,000
Privately Offered00
Total125,000125,000

Spot Auction Results
AllowancesNumber of BidsNumber of BiddersBid Price
Bid For: 550,131Successful: 16 Successful: 6Highest: $66.67
Sold: 125,000Unsuccessful: 14 Unsuccessful: 3Clearing: $2.00
(the clearing price is the lowest price at which a successful bid was made)
 Total: 30Total: 9 Lowest: $.06
   Weighted Average of Winning Bids: $2.81

7-Year Advance Auction Results
AllowancesNumber of BidsNumber of BiddersBid Price
Bid For: 375,160Successful: 4 Successful: 4Highest: $25.00
Sold: 125,000Unsuccessful: 2 Unsuccessful: 2Clearing: $.16
(the clearing price is the lowest price at which a successful bid was made)
 Total: 6Total: 6 Lowest: $.08
   Weighted Average of Winning Bids: $.17

Spot Auction Winners
Bidder's NameQuantityPercentage of
Total Allowances
Amount Paid
Ohio Valley Electric Corporation84,869 67.895$207,238.00
Indianapolis Power & Light40,000 32.000$142,000.00
Acid Rain Retirement Fund68 0.054$448.80
Bates College Environmental Econ A25 0.020$112.50
Bates College Environmental Econ B23 0.018$95.89
University of Tampa Environmental Protection Coalition15 0.012$1,000.05
TOTALS125,000100%$350,895.24

7-Year Advance Auction Winners
Bidder's NameQuantityPercentage of
Total Allowances
Amount Paid
Evolution Markets124,840 99.872$19,974.40
Acid Rain Retirement Fund100 0.080$100.00
University of Tampa Environmental Protection Coalition40 0.032$1,000.00
Bates College Environmental Econ B20 0.016$42.40
TOTALS125,000100%$21,116.80
 Total Auction Proceeds$372,012.04

Spot Bids (First Usable in 2011)

Bids Bidder's Name Quantity Total
$66.67University of Tampa Environmental Protection Coalition1515
$6.60Acid Rain Retirement Fund6883
$4.55Bates College Environmental Econ B1194
$4.50Bates College Environmental Econ A25119
$4.43Indianapolis Power & Light5,0005,119
$4.17Indianapolis Power & Light5,00010,119
$3.93Indianapolis Power & Light5,00015,119
$3.82Bates College Environmental Econ B1215,131
$3.67Indianapolis Power & Light5,00020,131
$3.43Indianapolis Power & Light5,00025,131
$3.17Indianapolis Power & Light5,00030,131
$3.00Ohio Valley Electric Corporation20,00050,131
$2.93Indianapolis Power & Light5,00055,131
$2.67Indianapolis Power & Light5,00060,131
$2.50Ohio Valley Electric Corporation35,00095,131
$2.00Ohio Valley Electric Corporation*35,000130,131
Bids below this line were unsuccessful because they were below the clearing price of $2.00.
$1.80LUME15,000145,131
$1.50Ohio Valley Electric Corporation25,000170,131
$1.35LUME20,000190,131
$1.00Ohio Valley Electric Corporation10,000200,131
$.98Constellation Energy Commodities Group, Inc.10,000210,131
$.90LUME30,000240,131
$.75Constellation Energy Commodities Group, Inc.25,000265,131
$.50Constellation Energy Commodities Group, Inc.25,000290,131
$.49Constellation Energy Commodities Group, Inc.20,000310,131
$.45LUME60,000370,131
$.31Constellation Energy Commodities Group, Inc.20,000390,131
$.28Indianapolis Power & Light10,000400,131
$.20Constellation Energy Commodities Group, Inc.25,000425,131
$.06Evolution Markets125,000550,131

*Awarded a partial fill of 29,869 out of 35,000 allowances bid for.

7-Year Advance Bids (First Usable in 2018)

Bids Bidder's Name Quantity Total
$25.00University of Tampa Environmental Protection Coalition4040
$2.12Bates College Environmental Econ B2060
$1.00Acid Rain Retirement Fund100160
$.16Evolution Markets*125,000125,160
Bids below this line were unsuccessful because they were below the clearing price of $0.16. 
$.11LUME125,000250,160
$.08Constellation Energy Commodities Group, Inc.125,000375,160

*Awarded a partial fill of 124,840 out of 125,000 allowances bid for.

An Excel spreadsheet (Excel, 69 K) provides the same results. Download an Excel viewer exit EPA

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