A September 17, 2020 Final Rule adopted by the Federal Energy Regulatory Commission (“Commission”) removes barriers to the participation of distributed energy resource aggregators in Regional Transmission Organization (“RTO”) and Independent System Operator (“ISO”) markets.[1]  The Commission’s modified regulations[2] require each RTO/ISO to revise its tariff to ensure that its market rules facilitate the participation of distributed energy resource aggregators.  Order No. 2222 is a positive development for distributed energy resources that…