The Auction and Reserve Sale Platform is for use by authorized users. Use is monitored and may be restricted at any time. Confidential information may not be accessed or used without authorization. Unauthorized or improper use of this system may result in administrative, civil, or criminal penalties. Use of this system, authorized or unauthorized, constitutes consent to monitoring and information retrieval. By accessing this system you are acknowledging and consenting to these terms and conditions. Leave this site immediately if you are not an authorized user or do not agree to the conditions in this notice.
- Reserve Sale Tier Prices
- Tier 1
- $42.38 USD
- Tier 2
- $47.68 USD
- Tier 3
- $52.98 USD
Auctions and Reserve Sale Descriptions
This page is the entry point for information and access to the auction and reserve sale platform. The GHG allowance auction and allowance price containment reserve sales (reserve sales) are the mechanisms utilized by ARB to sell allowances within the California cap-and-trade program.
The clearing price and the total number of allowances purchased will be disclosed publically after the auction or reserve sale on the results page. The disclosure of auction and reserve sale results allows for market transparency and price discovery.
About the Auctions and Reserve Sales
The GHG allowance auctions follow a sealed bid, single round, uniform price (lowest winning bid) format. Each bidder may submit multiple bids and bid schedules for current or future vintage allowances. Allowances from current and future vintages will be offered in separate auctions in lot sizes of 1,000 allowances (equal to 1,000 metric tons of GHG’s). For each quarterly allowance auction, there is a reserve price or price floor. For the Allowance Price Containment Reserve (reserve sale), there are three pre-determined price tiers.
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