Offshore Wind

Harnessing wind energy in offshore environments.

Similar to land-based wind technologies, offshore wind uses turbines to generate energy which is delivered to the shore via an export cable. A main advantage of offshore wind is the stronger and more consistent winds that blow offshore, allowing the use of larger turbine blades. The development of offshore wind in Europe and Asia has preceded development activities in other parts of the world. However, several projects in the United States are currently underway. While the most common offshore wind energy technology is a three-bladed horizontal axis turbine, there are a variety of foundation types which can support the deployment of devices in a range of aquatic environments – shallow nearshore habitats to deeper offshore environments.

 

Monopile Foundation

 

Monopile foundations are used at shallow depths (0-30 m) and consist of a pile being driven to varying depths into the seabed (10-40 m) depending on the soil conditions. The pile-driving construction process is an environmental concern as the noise produced is incredibly loud and propagates far in the water, even after mitigation strategies such as bubble shields, slow start, and acoustic cladding are employed. As with land-based wind energy, collision risk with birds and bats is a major concern, though the impact is more difficult to quantify because carcasses that provide evidence of collisions become lost at sea. While the footprint of offshore wind energy is relatively small, it may still cause scouring. As with all electricity generation, there is a slight concern that electromagnetic fields generated by power cables may affect animals that use Earth's natural magnetic field for orientation, navigation, and hunting. Likewise, chemicals such as anti-corrosion paint and small amounts of oil and grease may enter the waterbody during spills, though some turbine designs do not require lubrication. Artificial reefing is likely to occur around wind farms as the new hard substrate provides protection and attracts colonizing invertebrates.

Tripod Fixed Bottom

 

Tripod fixed bottom foundations are used at transitional depth (20-80 m) and consist of three legs connecting to a central shaft that supports the turbine base. Each leg has a pile driven into the seabed creating a wide foundation that allows for the piles to be placed at a shallower depth in the seabed. The environmental effects are very similar to monopiles, except that the footprint is a little larger.

Gravity Foundation

 

Gravity foundations are used at shallow depths (0-30 m) and consist of a large and heavy base constructed of steel or concrete to rest on the seabed. The footprint is relatively large and may cause scouring, artificial reefing, or physical destruction of habitats upon introduction. Otherwise, the environmental effects are similar to monopiles.

Gravity Tripod

 

Gravity tripod foundations are used at transitional depths (10-40 m) and consist of two heavy concrete structures connected by three legs where one structure sits on the seabed while the other sits above the water. Very few offshore windfarms are currently using this foundation. The environmental concerns are identical to those of gravity foundations, though the scouring effect may be less significant depending on the design.

Floating Structure

 

Floating structure foundations are used at deep depths (40-900 m) and consist of a balanced floating structure moored to the seabed with fixed cables. The floating structure may be stabilized using buoyancy, mooring lines, or a ballast. The mooring lines may cause minor scouring or pose a risk of collision, but the turbine foundation is mostly located in the upper layer of the water column where there tend to be less organisms.

Total Results: 1295
Title Author Datesort descending Type of Content Technology Type Stressor Receptor
Scotland's Renewables Routemap Short Life Task Force On Streamlining Energy Development Licensing and Consents The Scottish Government February 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Socio-economics
Vulnerability of Scottish Seabirds to Offshore Wind Turbines Furness, B., Wade, H. February 2012 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Raptors, Seabirds, Waterfowl
Benthic Communities on Hard Substrates of the Offshore Wind Farm Egmond aan Zee (OWEZ) Bouma, S., Lengkeek, W. February 2012 Report Wind Energy general, Offshore Wind Benthic Invertebrates
Symposium Sound Solutions Report The North Sea Foundation February 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Socio-economics
Do Windmill Parks Function as a Refugium? Derweduwen, J., et al. February 2012 Journal Article Wind Energy general, Offshore Wind Fish
A Review of Methods to Monitor Collisions or Micro-Avoidance of Birds with Offshore Wind Turbines - Part 2: Feasibility Study of Systems to Monitor Collisions Collier, M., Dirksen, S., Krijgsveld, K. February 2012 Report Wind Energy general, Offshore Wind Dynamic Device Birds
Offshore Renewables - Guidance on Assessing the Impact on Coastal Landscape and Seascape: Guidance for Scoping an Environmental Statement Scottish Natural Heritage March 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Socio-economics, Environmental Impact Assessment
Using a Collision Risk Model to Assess Bird Collision Risks for Offshore Wind Farms Band, B. March 2012 Report Wind Energy general, Offshore Wind Dynamic Device Birds
Strategic Impact Assessment of Offshore Windpower in Norway - Impacts on Seabirds Lorensten, S., et al. March 2012 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Socio-economics, Environmental Impact Assessment
Ireland Offshore Renewable Energy Strategic Action Plan 2012 - 2020 UK Department of Enterprise, Trade and Investment March 2012 Report Marine Energy general, Tidal, Wave, Wind Energy general, Offshore Wind Socio-economics
Tiree Onshore Scenario Mapping Ironside Farrar March 2012 Report Wind Energy general, Offshore Wind Socio-economics
Common Sole Larvae Survive High Levels of Pile-Driving Sound in Controlled Exposure Experiments Bolle, L., et al. March 2012 Journal Article Wind Energy general, Offshore Wind Noise Fish
Building a stakeholder's vision of an offshore wind-farm project: A group modeling approach Château, P., et al. March 2012 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Socio-economics, Stakeholder Engagement
Found in the Wind: The Value of Early Consultation and Collaboration with Other Ocean Users for Successful Offshore Wind Development Frulla, D., Hagerman, G., Hallowell, M. March 2012 Journal Article Wind Energy general, Offshore Wind
Ecosystem service tradeoff analysis reveals the value of marine spatial planning for multiple ocean uses White, C., Halpern, B., Kappel, C. March 2012 Journal Article Wind Energy general, Offshore Wind Socio-economics, Marine Spatial Planning
Likely Effects of Construction of Scroby Sands Offshore Wind Farm on a Mixed Population of Harbour Phoca vitulina and Grey Halichoerus grypus Seals Skeate, E., Perrow, M., Gilroy, J. April 2012 Journal Article Wind Energy general, Offshore Wind Marine Mammals, Pinnipeds
A Biogeographic Assessment of Seabirds, Deep Sea Corals and Ocean Habitats of the New York Bight: Science to Support Offshore Spatial Planning Menza, C., et al. April 2012 Report Wind Energy general, Offshore Wind Benthic Invertebrates, Birds
Marine Bird Distribution Along the Oregon Coast Suryan, R., et al. April 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Static Device Birds
Marine bird colony and at-sea distributions along the Oregon coast: Implications for marine spatial planning and information gap analysis Suryan, R., et al. April 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Birds
Coastal Wave Parks Should Not Interfere with Gray Whale Migrations Andrea Copping April 2012 Blog Article Offshore Wind
Offshore Wind Power Reef Effects and Reef Fauna Roles Krone, R. May 2012 Thesis Wind Energy general, Offshore Wind Static Device Ecosystem
Development of a Cost Minimizing Strategy to Mitigate Bird Mortalities in a Wind Farm Singh, K. May 2012 Thesis Wind Energy general, Offshore Wind Dynamic Device Birds
A Review of Flight Heights and Avoidance Rates of Birds in Relation to Offshore Wind Farms Cook, A., et al. May 2012 Report Wind Energy general, Offshore Wind Static Device Birds
Delivering Offshore Electricity to the EU: Spatial Planning of Offshore Renewable Energies and Electricity Grid Infrastructures in an Integrated EU Maritime Policy Seanergy May 2012 Report Wind Energy general, Offshore Wind
Analysis of Environmental Characteristics and Operational Reports of Small and Medium Turbines Florescu, A., Bandoc, G., Degeratu, M. May 2012 Journal Article Wind Energy general, Offshore Wind Dynamic Device Socio-economics
The Current State of Offshore Wind Energy Technology Development Sun, X., Huang, D., Wu, G. May 2012 Journal Article Wind Energy general, Offshore Wind
Assessing the Impact of Marine Wind Farms on Birds through Movement Modelling Masden, E., et al. May 2012 Journal Article Wind Energy general, Offshore Wind Static Device Birds
Guidelines for Data Acquisition to Support Marine Environmental Assessments of Offshore Renewable Energy Projects Judd, A. May 2012 Report Marine Energy general, Wind Energy general, Offshore Wind
ICES SGWTE Report 2012: Report of the Study Group on Environmental Impacts of Wave and Tidal Energy International Council for the Exploration of the Sea May 2012 Report Marine Energy general, Tidal, Wave, Wind Energy general, Offshore Wind Socio-economics, Environmental Impact Assessment
Fish and Benthos at Alpha Ventus Reichert, K., et al. May 2012 Presentation Wind Energy general, Offshore Wind Fish, Nearfield Habitat
Cumulative Effects of Wind Farms in the Dutch North Sea on Bird Populations Poot, M., et al. June 2012 Conference Paper Wind Energy general, Offshore Wind Dynamic Device Birds
Seabirds & Offshore Wind Farms Monitoring Results 2011 Vanermen, N., et al. June 2012 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds
Assessment of the Potential for Conflict between Existing Ocean Space Use and Renewable Energy Development off the Coast of Oregon Sullivan, C. June 2012 Thesis Marine Energy general, Wind Energy general, Offshore Wind Static Device Socio-economics
Effects on birds of Offshore Wind farm Egmond aan Zee (OWEZ): An overview and integration of insights obtained Hartman, J., et al. June 2012 Report Wind Energy general, Offshore Wind Birds, Seabirds
Threshold for Onset of Injury in Chinook Salmon from Exposure to Impulsive Pile Driving Sounds Halvorsen, M., et al. June 2012 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Noise Fish
Recovery of Barotrauma Injuries in Chinook Salmon, Oncorhynchus tshawytscha from Exposure to Pile Driving Sound Casper, B., et al. June 2012 Journal Article Wind Energy general, Offshore Wind Noise Fish
Using a Shore Bird (Red Knot) Fitted with Geolocators to Evaluate a Conceptual Risk Model Focusing on Offshore Wind Burger, J., et al. July 2012 Journal Article Wind Energy general, Offshore Wind Static Device Birds
Study on the Marine Growth Effect on the Dynamic Response of Offshore Wind Turbines Shi, W., et al. July 2012 Journal Article Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Nearfield Habitat
Short- and Long-Term Effects of an Offshore Wind Farm on Three Species of Sandeel and their Sand Habitat van Deurs, M., et al. July 2012 Journal Article Wind Energy general, Offshore Wind Fish, Nearfield Habitat
Prevention of the ecological effects of offshore windfarms in licensing and spatial planning - an overview Boon, A. July 2012 Report Wind Energy general, Offshore Wind Static Device Birds, Seabirds, Fish, Marine Mammals
Development of a New Underwater Piling Noise Mitigation System - Using Hydro Sound Dampers (HSD) Kuhn, C., et al. July 2012 Conference Paper Wind Energy general, Offshore Wind Noise
Appendix K Tetra Tech Bird Survey Report: Spring - Fall 2010 Avian and Bat Studies Report Lake Erie Wind Power Study Svedlow, A., Gilpatrick, L., McIlvain, D. July 2012 Report Wind Energy general, Offshore Wind Bats, Birds
Population Sizes of Seabirds Breeding in Scottish SPAs Lewis, M., et al. July 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Birds
Population Trends of Breeding Seabird Colonies in Scottish SPAs Malcolm, F., Lye, G., Lewis, M. July 2012 Report Marine Energy general, Tidal, Wave, Wind Energy general, Offshore Wind Birds, Seabirds
Population Sizes of Seabirds breeding in Scottish Special Protection Areas Lewis, M., et al. July 2012 Report Marine Energy general, Tidal, Wave, Wind Energy general, Offshore Wind Birds, Seabirds
A methodological update of the Framework for the Appropriate Assessment of the ecological effects of Offshore Windfarms at the Dutch Continental Shelf Boon, A., et al. July 2012 Report Wind Energy general, Offshore Wind Noise, Static Device Birds, Seabirds, Fish, Marine Mammals
Aerial Survey of Seabirds: The Advent of Digital Methods Buckland, S., et al. August 2012 Journal Article Wind Energy general, Offshore Wind Birds
Request for advice on the populations of cetaceans that might be involved in significant interactions with marine renewable energy developments in Scottish marine waters Northridge, S. August 2012 Report Marine Energy general, Tidal, Wave, Wind Energy general, Offshore Wind Marine Mammals, Cetaceans
Radar Monitoring of Migrating Pink-Footed Geese: Behavioural Responses to Offshore Wind Farm Development Plonczkier, P., Simms, I. August 2012 Journal Article Wind Energy general, Offshore Wind Static Device Birds
Is Offshore Wind Development a Threat to the North Atlantic Right Whale? Luke Hanna August 2012 Blog Article Offshore Wind
Offshore Wind Capital Cost Estimation in the U.S. Outer Continental Shelf - A Reference Class Approach Kaiser, M., Snyder, B. September 2012 Journal Article Wind Energy general, Offshore Wind Socio-economics
Developing Environmental Protocols and Modeling Tools to Support Ocean Renewable Energy and Stewardship McCann, J. September 2012 Report Marine Energy general, Wind Energy general, Offshore Wind
Environmental Impacts Due to Fixed and Floating Offshore Wind Turbines Brewer, M. September 2012 Thesis Wind Energy general, Offshore Wind
Identification of Outer Continental Shelf Renewable Energy Space-Use Conflicts and Analysis of Potential Mitigation Measures Conway, F., et al. September 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Static Device
MERiFIC 3.2.1: Documentary Summary of the Environmental Impact of Renewable Marine Energy Sotta, C. September 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Chemicals, Dynamic Device, EMF, Energy Removal, Noise, Static Device Birds, Ecosystem, Fish, Nearfield Habitat
West Coast Environmental Protocols Framework: Baseline and Monitoring Studies Klure, J., et al. September 2012 Report Marine Energy general, Tidal, Wave, Wind Energy general, Offshore Wind Dynamic Device, EMF, Energy Removal, Noise, Static Device Benthic Invertebrates, Birds, Fish, Marine Mammals, Nearfield Habitat, Reptiles
Development of Offshore Renewable Energy in Scotland's Seas: Research Implementation Strategy Scottish Government September 2012 Report Marine Energy general, Wind Energy general, Offshore Wind
Maine Deepwater Offshore Wind Report University of Maine, Rockefeller Brothers Fund September 2012 Report Wind Energy general, Offshore Wind Energy Removal, Noise Socio-economics
The Turning Point for Atlantic Offshore Wind Energy: Time for Action to Create Jobs, Reduce Pollution, Protect Wildlife, and Secure America's Energy Future Bowes, C., Allegro, J. September 2012 Report Wind Energy general, Offshore Wind Socio-economics
Small Scale Distribution of Fish in Offshore Wind Farms Hansen, K., Stenberg, C., Møller, P. September 2012 Conference Paper Wind Energy general, Offshore Wind Fish
Turbine Height as a Management Tool for Collision Risk to Birds at Offshore Wind Farms Davies, I., Band, B. September 2012 Conference Paper Wind Energy general, Offshore Wind Dynamic Device Birds
The Added Value of 'Small-Scale' Monitoring of the Soft-Sediment Endobenthos around Offshore Wind Farms in the Belgian Part of the North Sea Coates, D., Vanaverbeke, M., Magda, V. September 2012 Conference Paper Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Nearfield Habitat
Offshore Wind Farms and their Impact on Fish Abundance and Community Structure Stenberg, C., et al. September 2012 Conference Paper Wind Energy general, Offshore Wind Static Device Fish
The Development of Benthic Communities on Hard Substrates within OWEZ, the First Dutch Offshore Wind Farm Noordzee Wind September 2012 Conference Paper Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Nearfield Habitat
The Effects of Wind Power on Marine Life - A Synthesis Bergström, L., et al. October 2012 Report Wind Energy general, Offshore Wind Fish, Marine Mammals
Assessing the Life Cycle Environmental Impacts of Wind Power: A Review of Present Knowledge and Research Needs Arvesen, A., Hertwich, E. October 2012 Journal Article Wind Energy general, Offshore Wind Socio-economics, Life Cycle Assessment
Porpoises and Offshore Windfarms - Conflict, Co-Existence or Refuge Scheidat, M. October 2012 Presentation Wind Energy general, Offshore Wind Marine Mammals
Cod and Sole Behaviour in an Offshore Wind Farm Winter, E., Aarts, G., van Keeken, O. October 2012 Presentation Wind Energy general, Offshore Wind Noise, Static Device Fish
Offshore Wind Farms, New Players in Marine Ecosystems Lindeboom, H. October 2012 Presentation Wind Energy general, Offshore Wind Ecosystem
The Local Fish Community, Indifferent to the Wind Farm? van Hal, R., Griffioen, B. October 2012 Presentation Wind Energy general, Offshore Wind Fish
Localization of Southern Resident Killer Whales Using Two Star Arrays to Support Marine Renewable Energy Ren, H., et al. October 2012 Conference Paper Marine Energy general, Wind Energy general, Offshore Wind Marine Mammals, Cetaceans
Request for advice about the displacement of marine mammals around operational offshore windfarms Alcock, P. October 2012 Report Wind Energy general, Offshore Wind Noise Marine Mammals, Cetaceans
A Model for Passive Underwater Noise Suppression by Bubble Curtains Surrounding Point or Line Sources in Shallow Water Hay, T., et al. October 2012 Journal Article Wind Energy general, Offshore Wind Noise
Argyll Array Offshore Windfarm Report to Inform a Shadow Appropriate Assessment - Great Northern Diver Potential SPAs NIRAS Consulting November 2012 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds
Identifying ecologically important marine areas for seabirds using behavioural information in combination with distribution patterns Camphuysen, K., et al. November 2012 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Birds, Seabirds
Effects on Harbour Porpoises from Rødsand 2 Offshore Wind Farm Teilmann, J., Tougaard, J., Carstensen, J. November 2012 Report Wind Energy general, Offshore Wind Marine Mammals
East Anglia ONE Offshore Windfarm: Environmental Statement Environmental Resource Management November 2012 Report Wind Energy general, Offshore Wind Birds, Socio-economics, Environmental Impact Assessment
Tracking seabirds to identify ecologically important and high risk marine areas in the western North Atlantic Montevecchi, W., et al. November 2012 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Birds, Seabirds
Analysis of the Argyll Array Turbine Layout Iterations in Relation to Ornithological Constraints Bullman, R., Shaylon, S. November 2012 Report Wind Energy general, Offshore Wind Dynamic Device Birds
Mitigation of Low-Frequency Underwater Anthropogenic Noise using Stationary Encapsulated Gas Bubbles Lee, K., Wochner, M., Wilson, P. November 2012 Conference Paper Marine Energy general, Wind Energy general, Offshore Wind Noise
Assessing the Environmental Impact of Underwater Noise During Offshore Windfarm Construction and Operation Nedwell, J., et al. November 2012 Conference Paper Wind Energy general, Offshore Wind Noise Farfield Environment, Fish, Marine Mammals, Nearfield Habitat
A Case Study on the Effects of Underwater Noise During the Construction of Large Offshore Wind Farms Mason, T., Barham, R., Nedwell, J. November 2012 Conference Paper Wind Energy general, Offshore Wind Noise
ReNews Global Offshore Wind Report 2012 Westbrook, T., Kennedy, S., Wachtmeister, W. November 2012 Magazine Article Wind Energy general, Offshore Wind
D2.4 Collation of Off‐shore Wind‐Wave Dynamics Bredmose, H., et al. November 2012 Report Wind Energy general, Offshore Wind
Bird and Bat Collision Risks & Wind Energy Facilities Willmott, J., et al. December 2012 Report Wind Energy general, Land-Based Wind, Offshore Wind Dynamic Device, Static Device Bats, Birds
Horns Rev 2 Offshore Wind Farm Bird Monitoring Program 2010-2012 Skov, H., et al. December 2012 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds
Modelling of Pile Driving Noise by Means of Wavenumber Integration Lippert, T., Lippert, S. December 2012 Journal Article Wind Energy general, Offshore Wind Noise
Strategic Joint Industry Project No.1: Bird avoidance behavior and collision impact monitoring at Offshore Windfarms Marine Scotland, et al. December 2012 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds
The economics of visual disamenity reductions of offshore wind farms—Review and suggestions from an emerging field Ladenburg, J., Lutzeyer, S. December 2012 Journal Article Wind Energy general, Offshore Wind Socio-economics, Aesthetics
Negative Long Term Effects on Harbour Porpoises from a Large Scale Offshore Wind Farm in the Baltic - Evidence of Slow Recovery Teilmann, J., Carstensen, J. December 2012 Journal Article Wind Energy general, Offshore Wind Static Device Marine Mammals
Turbine Sound May Influence the Metamorphosis Behaviour of Estuarine Crab Megalopae Pine, M., Jeffs, A., Radford, C. December 2012 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Noise Benthic Invertebrates
Potential Impacts of Ocean Energy Development on Marine Mammals in Oregon Davis, A. December 2012 Report Marine Energy general, Wind Energy general, Offshore Wind Marine Mammals, Cetaceans
Is a German Harbour Porpoise Much More Sensitive than a British One? Comparative Analyses of Mandatory Measures for the Protection of Harbour Porposes (Phocoena phocoena) During Offshore Wind Farm Ramming in Germany, Denmark and the UK Luedeke, J. December 2012 Conference Paper Wind Energy general, Offshore Wind Noise
Sound Solutions: Construction of Offshore Wind Farms Without Underwater Noise Stichting de Noordzee January 2013 Report Wind Energy general, Offshore Wind Noise
Permitting and Leasing for Marine Offshore Wind Energy Projects Thaler, J. January 2013 Report Wind Energy general, Offshore Wind Socio-economics
Bird Monitoring at Offshore Wind Farms in the Belgian Part of the North Sea - Assessing Seabird Displacement Effects Vanermen, N., et al. January 2013 Report Wind Energy general, Offshore Wind Static Device Birds
Validation of Finite Element Computations for the Quantitative Prediction of Underwater Noise from Impact Pile Driving Zampolli, M., et al. January 2013 Journal Article Wind Energy general, Offshore Wind Noise
Modeling of Underwater Noise from Pile Driving using Coupled Finite Element and Parabolic Equation Model with Improved Parabolic Equation Starting Field Park, J., Seong, W., Lee, K. January 2013 Journal Article Wind Energy general, Offshore Wind Noise
A Marine Spatial Planning Framework for the Optimal Siting of Marine Renewable Energy Installations: Two Danish Case Studies Azzellino, A., et al. January 2013 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Static Device Socio-economics, Marine Spatial Planning
Environmental Impacts of Offshore Wind Farms in the Belgian Part of the North Sea: Learning from the Past to Optimise Future Monitoring Programmes Degraer, S., Brabant, R., Rumes, B. January 2013 Report Wind Energy general, Offshore Wind Dynamic Device, Energy Removal, Noise, Static Device Benthic Invertebrates, Birds, Fish, Marine Mammals, Socio-economics

Pages

Subscribe to Offshore Wind
Find Tethys on InstagramFind Tethys on FacebookFind Tethys on Twitter
 
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Subscribe to Offshore Wind