The 56th Regional Greenhouse Gas Initiative (RGGI) quarterly auction, held June 1, 2022, resulted in a record-high clearing price of $13.90 per ton for CO2 emissions allowances, surpassing the previous quarter’s clearing price ($13.50 per ton) by 3% and the June 2021 clearing price ($7.97 per ton) by 74%. Allowance prices set in the RGGI auctions have been increasing since the June 2017 auction, which cleared at $2.53 per ton.
