RGGI Holds 21st Carbon Allowance Auction

Allowances offered at RGGI’s 21st carbon auction cleared at $2.67 each, generating $102.5 million. On September 6, 2013, the nine Regional Greenhouse Gas Initiative (RGGI) members released results of their 21st quarterly auction held on September 4.  The auction offered 38,409,043 carbon allowances that were bid in the range of $1.98 to $12.85 each.  All allowances sold…