On May 13, the Federal Energy Regulatory Commission (FERC or Commission) released its Order No. 1920 (Final Rule) to reform its policies regarding Regional Transmission Planning and Cost Allocation.1 The Final Rule follows from a Notice of Proposed Rulemaking (NOPR), which itself follows an Advanced Notice of Proposed Rulemaking on these reforms, which FERC issued in April 2022 and July 2021, respectively.2 Representing FERC’s most significant action on transmission planning and cost allocation in more than a decade, the Final Rule establishes the following reforms, which are discussed further below...