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2026 SO2 Allowance Auction

The 2026 SO2 Allowance Auction took place on March 31, 2026. Allowances were auctioned that could first be used in 2026 as well as in 2033. There were no bids and therefore no winners in the 2026 auction. See details below.

Allowances Available for Auction
Origin of AllowancesSpot Auction
(First Usable in 2026)
7 Year Advance Auction
(First Usable in 2033)
EPA125,000125,000
Privately Offered00
Total125,000125,000
Spot Auction Results
AllowancesNumber of BidsNumber of BiddersBid Price
Bid For: 125,000Successful: 0Successful: 0Highest: N/A
Sold: 125,000Unsuccessful: 0Unsuccessful: 0Clearing: N/A
(the clearing price is the lowest price at which a successful bid was made)
 Total: 0Total: Lowest: N/A
   Weighted Average of Winning Bids: N/A
7 Year Advance Auction Results
AllowancesNumber of BidsNumber of BiddersBid Price
Bid For: 125,000Successful: 0Successful: 0Highest: N/A
Sold: 125,000Unsuccessful: 0Unsuccessful: 0Clearing: N/A
(the clearing price is the lowest price at which a successful bid was made)
 Total: 0Total: 0Lowest: N/A
   Weighted Average of Winning Bids: N/A
Spot Auction Winners
Bidder's NameQuantityPercentage of
Total Allowances
Amount Paid
There were no bids in the 2026 Spot Auction.
7 Year Advance Auction Winners
Bidder's NameQuantityPercentage of
Total Allowances
Amount Paid
There were no bids in the 2026 7 Year Advance Auction.
Spot Bids (First Usable in 2026)
BidsBidder's NameQuantityTotal
There were no bids in the 2026 Spot Auction.
7 Year Advance Bids (First Usable in 2033)
BidsBidder's NameQuantityTotal
There were no bids in the 2026 7 Year Advance Auction.

Total Auction Proceeds: $0 - there were no bids in the 2026 SO2 Allowance Auction

« 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
Contact Us About Clean Air Power Sector Programs to ask a question, provide feedback, or report a problem.
Last updated on May 6, 2026
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