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1993 SO2 Allowance Auction

1993 - Allowances Available for Auction
Origin of Allowances Spot Auction
(First Usable in 1995)
Advance Auction
(First Usable in 2000)
EPA Auction 50,000 100,000
Privately Offered 95,010 30,500
Total 145,010 130,500

Spot Auction Summary (First Usable in 1993)

  • Allowances
    • Bid For: 321,354
    • Sold: 50,010
  • Number of Bids
    • Successful: 36
    • Unsuccessful: 70
    • Total: 106
  • Number of Bidders
    • Successful: 22
    • Unsuccessful: 20
    • Total: 42
  • Bid Prices
    • Highest: $450
    • Clearing: $131
    • Lowest: $0.26
    • Average Winning: $156 (Not weighted)

7-Year Advance Auction Summary (First Usable in 2000)

  • Allowances
    • Bid For: 238,406
    • Sold: 100,000
  • Number of Bids
    • Successful: 30
    • Unsuccessful: 35
    • Total: 65
  • Number of Bidders
    • Successful: 13
    • Unsuccessful: 19
    • Total: 32
  • Bid Prices
    • Highest: $310
    • Clearing: $122
    • Lowest: $0.01
    • Average Winning: $136 (Not weighted)

The 1993-2006 Auction Proceeds Spreadsheet (xls) (9.57 MB)  provides auction proceeds at the unit and plant level for each year. Download an Excel viewer.

« Return to the directory of annual auctions listed by year

Clean Air Power Sector Programs

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Contact Us About Clean Air Power Sector Programs
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Last updated on March 4, 2025
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