In April 2009, the U.S. Department of the Interior (Interior) and Federal Energy Regulatory Commission (FERC) entered into a Memorandum of Understanding (MOU) regarding the development of hydrokinetic and renewable energy projects on the Outer Continental Shelf (OCS). While the MOU resolved a long-standing jurisdictional impasse between the agencies, there remain unresolved regulatory matters regarding the approval and oversight of these emerging technologies. Now that the agencies have resolved the jurisdictional matter and committed to work together on this matter, however, such matters may be further resolved in a manner that would promote development of this vast renewable energy resource.