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Wednesday, March 25, 2009

EPA Posts Results of 2009 Acid Rain Allowance Auction

Once a year, EPA auctions a certain number of sulfur dioxide (SO2) allowances at the end of March. Utilities, environmental groups, allowance brokers, and anyone else interested in purchasing allowances can participate. Allowances sold at the auctions are sold to the highest bidder until no allowances remain. Successful bidders are notified and are listed on EPA's Web site. AAEA is registered in the EPA Acid Rain Program. AAEA did not purchase or sell any allowances during the 2009 auction.

EPA has posted the results of its annual acid rain auction, held on March 24. The annual auction gives power plants, brokers, and private citizens the opportunity to buy and sell sulfur dioxide (SO2) allowances as part of EPA’s successful cap and trade program to reduce emissions contributing to acid rain. The 1990 Clean Air Act (CAA) amendments established this program to cap national SO2 emissions at 50 percent of 1980 levels. Each year, EPA issues allowances to existing sources within that cap. In addition, the CAA mandates that a limited number of those allowances are withheld and auctioned. The auctions help ensure that new electric generating plants have a source of allowances beyond those allocated initially to existing units. Proceeds from the auctions are returned to sources in proportion to the allowances withheld.

In addition to allowances offered by EPA, private parties may offer allowances for sale in the auction. The auction includes two “vintages” of allowances. Vintage describes the earliest year an allowance may be applied against SO2 emissions. In addition to year 2009 allowances, the Clean Air Act mandated that EPA auction additional allowances seven years in advance to help provide stability in planning for capital investment. These advance allowances will be usable first in 2016. No offers from private parties to sell their allowances were received. More information on the acid rain auction.

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