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Navigation and Vessel Inspection Circular 02-23 Change 1: Guidance on the Coast Guard’s Roles and Responsibilities for Offshore Renewable Energy Installations (OREI) on the Outer Continental Shelf (OCS), Change 1

April 22, 2024 | By Maureen Kallgren, Office of Navigation Systems

The Assistant Commandant for Prevention Policy updated guidance to field units, federal agency partners and offshore renewable developers on our roles and responsibilities in offshore development on April 12, 2024. This update clarifies details necessary to provide Navigation Safety Risk Assessments for review as part of the Construction and Operations Plan for OREI. New content is uploaded at 2020 ( For the best experience, please download the file and open in Adobe.

We recommend all interested parties refer to the new guidance for clarity and update copies previously downloaded or bookmarked. Anyone with any questions or feedback should contact the Office of Navigation Systems at

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This blog is not a replacement or substitute for the formal posting of regulations and updates or existing processes for receiving formal feedback of the same. Links provided on this blog will direct the reader to official publications, such as the Federal Register, Homeport and the Code of Federal Regulations. These publications remain the official source for regulatory information published by the Coast Guard.