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Clean Air Markets

2001 SO2 Allowance Auction

Allowances Available for Auction
Origin of Allowances Spot Auction
(First Usable in 2001)
7-Year Advance Auction
(First Usable in 2008)
EPA 125,000 125,000
Privately Offered 2,788 2,388
Total 127,788 127,388
Spot Auction Results
Allowances Number of Bids Number of Bidders Bid Price
Bid For: 480,995 Successful: 14 Successful: 12 Highest: $225.00
Sold: 127,788 Unsuccessful: 71 Unsuccessful: 15 Clearing: $173.57
(the clearing price is the lowest price at which a successful bid was made)
  Total: 85 Total: 27 Lowest: $105.00
      Average: $174.97 (weighted by the number of allowances in each bid)
7-Year Advance Auction Results
Allowances Number of Bids Number of Bidders Bid Price
Bid For: 355,500 Successful: 6 Successful: 1 Highest: $115.07
Sold: 127,388 Unsuccessful: 14 Unsuccessful: 4 Clearing: $105.72
(the clearing price is the lowest price at which a successful bid was made)
  Total: 20 Total: 5 Lowest: $30.00
      Average: $110.75
(weighted by the number of allowances in each bid)
Spot Auction Winners
Bidder's Name Quantity Percentage of 
Total Allowances
Amount Paid
Enron North America 125,000 97.82 $21,875,000.00
Ohio Power Company (AEP) 2,757 2.16 $478,532.49
Acid Rain Retirement Fund 11 < 0.01 $1,980.00
Maryland Environmental Law Society 7 < 0.01 $1,275.00
Yale Environmental Law Association 4 < 0.01 $724.00
Stetson Univ College of Law, Environmental Law Society 1 < 0.01 $377.00
ECON 212 - Hobart and William Smith Colleges 1 < 0.01 $181.00
Campus Green - Hobart and William Smith Colleges 1 < 0.01 $181.00
UWGB-PEAC & RRA 1 < 0.01 $225.00
Bates College Planeteers 1 < 0.01 $191.00
University of Chicago Environmental Law Society 1 < 0.01 $180.00
University of Wisconsin 1 < 0.01 $180.00
Pace Law School, Environmental Law Society 1 < 0.01 $176.00
TOTALS 127,788 100% $22,359,202.49
7-Year Advance Auction Winners
Bidder's Name Quantity Percentage of 
Total Allowances
Amount Paid
Ohio Power Company (AEP) 127,388 100.00 $14,107,959.36
TOTALS 127,388 100% $14,107,959.36

Total Auction Proceeds $36,467,161.85

The 2001 Auction Proceeds Spreadsheet (XLS)(5 pp, 42 K) provides the same results.

The 1993-2006 Auction Proceeds Spreadsheet (XLS)(2 pp, 10 MB)  provides auction proceeds at the unit and plant level for each year. Download an Excel viewer. Exit

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