Pursuant to Rule 214 of the Rules of Practice and Procedure of the Federal Energy Regulatory Commission (FERC or Commission), 18 C.F.R. §§ 385.214, the R Street Institute (R Street) hereby moves to intervene and submit comments on the Southeast Energy Exchange Market Agreement (SEEM) submitted by Southern Company Services filing submitted on February 12, 2021 in the above-captioned proceeding. Due to the nature of this proposal, the majority of documents associated with the SEEM proposal were submitted in ER21-1111, and per the request in that initial filing R Street is submitting one set of comments and including each of the associated dockets in the caption.