page is designed to assist developers of Offshore Renewable Energy Installations
(OREI) with the design and planning of these projects in Alaska. The term OREI
is used by the Coast Guard to describe any individual structure or apparatus
placed in the navigable waters of the United States that creates electricity by
using sources other than oil or gas. Examples include wind farms and
such as buoys, wave turbines, or current turbines.
The Coast Guard oversees two aspects of OREI installations:
1. Reviewing the applicant's
Navigation Safety Plan to determine if the
installation will pose potential adverse impacts to the users of the waterway. This is
accomplished by conducting a Risk Assessment. In Alaska, these Risk
Assessments are conducted by the USCG Sector Waterways offices.
USCG Sector Anchorage is responsible for waterways north of Yakutat
including interior river systems.
● USCG Sector Juneau is responsible for waterways south of and
including Yakutat. This includes all of Southeast Alaska to the Canadian
if the installation will require Private Aids to Navigation (PATON).
PATON includes navigation lights and/or
regulatory signs. These are used to warn mariners of the presence of the
USCG District 17 Waterways
Management Branch is responsible for PATON
for the entire state of Alaska. See the PATON page
for more information.
The Coast Guard distributes navigation safety information to the maritime public regarding
OREI in two ways:
The Coast Guard, working with in conjunction with NOAA, distributes updates and corrections for
nautical charts. OREIs can be depicted on charts to inform mariners of
their presence. In some cases a Limited Access Area, 33 CFR 165, may
be established in the vicinity of an OREI to prohibit or restrict vessels
from operating near an OREI. The establishment of a Limited Access Area will be
evaluated on a case by case basis.