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Clean Air Markets

1993 SO2 Allowance Auction

1993 — Allowances Available for Auction

Origin of
Allowances
Spot Auction
(First Useable in 1995)
Advance Auction
(First Useable 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)

An Excel spreadsheet (Excel, 6.1 MB) provides auction proceeds at the unit and plant level for each year. Download an Excel viewer exit EPA

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