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OSWIM: Offshore Wind Impacts and Monitoring Hub

Welcome to OSWIM: the Offshore Wind Impacts and Monitoring Hub! This information hub was created in support of my master’s research for the California Marine Sanctuary Foundation’s (CMSF) Offshore Wind Environmental Guidance (EMG). My master’s project involved a literature review and synthesis of potential impacts of fixed bottom and floating offshore wind energy development on marine ecosystems. California has ambitious goals to develop the world’s largest Floating Offshore Wind (FOSW) energy project. As an emerging technology, little is known about the environmental impacts of FOSW. The goal of the website is to provide an information resource for any interested in that work or to learn more about California’s ambitious endeavor.

By 2030 2-5 gigawatts (GW), up to 400 FOSW turbines
By 2045 25 GW, Up 1500 FOSW turbines
Each up to 853 feet tall ()

FOSW: 124.4 megawatts (MW)
Fixed-bottom (non-floating) installed capacity: 59,009 MW

To inform sustainable development of OSW, the , a non-profit with 30 years experience improving the resilience and stewardship of California’s coastal resources is developing for the ).
The EMG will help facilitate knowledge-sharing and best practices for monitoring impacts of FOSW on California’s marine ecosystems.
The EMG will also inform and support the environmental review and monitoring process of current and future FOSW energy in California.
BOEM and the OSW industry lessees are currently of developing key site assessment plans and initial environmental reviews of FOSW lease areas in California (as of May 2024).
To contribute to the sustainable development of FOSW in California this study reviewed existing scientific literature on potential sources of impact from prior Offshore Wind (OSW) energy development. This resource contains a synthesis of existing literature on both fixed bottom and floating OSW’s impacts to marine ecosystems and the methods and technologies to monitor these impacts.

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