2023 SO2 Allowance Auction
The 2023 SO2 Allowance Auction took place on March 28, 2023. Allowances were auctioned that could first be used in 2023 as well as in 2030. Details are provided via the links below.
| Origin of Allowances | Spot Auction (First Usable in 2023) |
7 Year Advance Auction (First Usable in 2030) |
|---|---|---|
| EPA | 125,000 | 125,000 |
| Privately Offered | 0 | 0 |
| Total | 125,000 | 125,000 |
| Allowances | Number of Bids | Number of Bidders | Bid Price |
|---|---|---|---|
| Bid For: 73,000 | Successful: 2 | Successful: 2 | Highest: $.07 |
| Sold: 73,000 | Unsuccessful: 0 | Unsuccessful: 0 | Clearing: $.04 (the clearing price is the lowest price at which a successful bid was made) |
| Total: 2 | Total: 2 | Lowest: $.04 | |
| Weighted Average of Winning Bids: $.04 |
| Allowances | Number of Bids | Number of Bidders | Bid Price |
|---|---|---|---|
| Bid For: 125,000 | Successful: 1 | Successful: 1 | Highest: $.02 |
| Sold: 125,000 | Unsuccessful: 0 | Unsuccessful: 0 | Clearing: $.02 (the clearing price is the lowest price at which a successful bid was made) |
| Total: 1 | Total: 1 | Lowest: $.02 | |
| Weighted Average of Winning Bids: $.02 |
| Bidder's Name | Quantity | Percentage of Total Allowances |
Amount Paid |
|---|---|---|---|
| Prairie State Generating Company LLC | 70,000 | 95.890 | $2,800.00 |
| Municipal Energy Agency of Nebraska |
3,000 |
4.110 | $210.00 |
| TOTALS | 73,000 | 100% | $3,010.00 |
| Bidder's Name | Quantity | Percentage of Total Allowances |
Amount Paid |
|---|---|---|---|
| Prairie State Generating Company LLC | 125,000 | 100.000 | $2,500.00 |
| TOTALS | 125,000 | 100% | $2,500.00 |
| Bids | Bidder's Name | Quantity | Total |
|---|---|---|---|
| $.07 | Municipal Energy Agency of Nebraska | 3,000 | 3,000 |
| $.04 | Prairie State Generating Company LLC | 70,000 | 73,000 |
| Bids | Bidder's Name | Quantity | Total |
|---|---|---|---|
| $.02 | Prairie State Generating Company LLC | 125,000 | 125,000 |
Total Auction Proceeds: $5,510.00
The 2023 ARP Auction Results Spreadsheet (xlsx) provides the same results. Download an Excel viewer.