A 206-square-mile area located 20 miles off the coast of Wigi (1), aka Humboldt Bay, is one of two offshore wind energy areas currently under consideration on the California coast. Developing offshore wind will require substantial new investment in local infrastructure. The Humboldt Bay Harbor, Recreation & Conservation District has proposed developing a marine heavy lift terminal on Wigi/Humboldt Bay’s Samoa Peninsula that would use large cranes to facilitate the construction of offshore wind turbines for proposed wind energy areas along the West Coast. The site is located North of the old pulp mill smokestack and South of the Samoa bridge. In addition, new transmission lines would need to be constructed to bring the electricity generated by offshore wind to the people of Humboldt County and the rest of the State.
Designed to help California and the U.S. reach our clean and renewable energy goals (2) and combat climate change, the Humboldt Wind Energy Area (3) is projected to produce approximately 2.7 to 3.6 gigawatts (GW) of renewable electricity once fully operational. To put that into perspective, one GW of electricity is enough to power about 750,000 average California homes. Producing this new renewable energy would support our transition away from current dirty, climate-polluting fossil fuel sources of electricity, such as “natural” gas power plants, and provide immediate environmental justice benefits by improving air quality near existing natural gas power plants.
At the same time, there are significant local concerns about the proposed project’s impact on the sacred Tribal spaces, marine species, and ecology of the North Coast. The scale of the wind turbines and the use of new technology, untested in such deep waters, raises potential risks. Adding new port infrastructure would also significantly change Wigi/Humboldt Bay, transforming it into a more active port. Similarly, new transmission infrastructure would need to be built to connect the offshore wind turbines to the greater California electric grid.
There is still a lot about these projects that we do not know for certain and this website reflects that. The offshore wind developers will be spending approximately five years (2024–2029) studying and surveying their lease area. After that, they will need to develop construction and operation plans that will undergo extensive environmental review. The leases they entered into with the Federal government give them the right to study the area and design a project, but they do not have the right to build a project until it goes through considerable environmental review. The Port of Humboldt Bay’s new offshore wind heavy lift marine terminal and the proposed transmission improvements necessary to facilitate offshore wind will also have to undergo extensive environmental review before those projects could begin construction. All of that environmental review will produce lots of new information and enhance our understanding of these projects. As we learn more, we will update these FAQs with the current understanding of the project.
ENVIRONMENT
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What are the potential environmental impacts of the proposed Humboldt offshore wind project?
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How would the environmental impacts of Humboldt offshore wind be evaluated and mitigated?
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How would the proposed Humboldt offshore wind farm affect birds and bats?
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How would the proposed Humboldt offshore wind farm affect whales and other marine mammals?
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How would the proposed Humboldt offshore wind farm affect fish?
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How would the proposed Humboldt offshore wind farm impact Wigi/Humboldt Bay?
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Would the proposed Humboldt offshore wind project increase vessel traffic?
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Would the proposed Humboldt offshore wind project increase vehicle traffic?
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What are the potential impacts from electromagnetic fields (EMFs) associated with offshore wind?
COMMUNITY
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What is a Community Benefits Agreement (CBA), and how does it relate to offshore wind?
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Would North Coast residents receive electricity from local offshore wind development?
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Would Humboldt offshore wind development reduce costs for local ratepayers?
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How would the proposed Humboldt offshore wind project affect recreation in Wigi/Humboldt Bay?
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How can I learn more about local Tribal perspectives of the proposed Humboldt offshore wind project?
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How visible would the offshore wind farm be from the Humboldt coast?
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How visible would the wind turbines be while within Wigi/Humboldt Bay?
ENGINEERING
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How sustainable are offshore wind turbines to build, and how long would they last?
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How much carbon is used to create an offshore wind turbine? Is it worth it?
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Where would the Humboldt wind farm be located, and how many turbines would there be?
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What is an offshore wind heavy lift marine terminal and what is its purpose?
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How would the electricity get from the wind turbines to shore?
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What kind of transmission infrastructure would be necessary to accompany offshore wind?
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Where would new onshore electricity infrastructure be located?
References
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Wiyot Tribe. (n.d.). Wiyot Placename Video [Video]. www.wiyot.us/162/Wiyot-Placename-Video
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California Energy Commission. (2024). Clean Energy Serving California. www.energy.ca.gov/programs-and-topics/topics/renewable-energy/clean-energy-serving-california
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U.S. Bureau of Ocean Energy Management. (n.d.). Humboldt Wind Energy Area. www.boem.gov/renewable-energy/state-activities/humboldt-wind-energy-area