Addressing environmental concerns in offshore wind development

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Birds flying in-between offshore wind installations
CHALLENGE

How can developers minimise planning risks around offshore wind farms?

With a target to deploy up to 50 GW of offshore wind capacity by 2030, it’s no secret that the UK’s ambition for offshore wind remains high. But behind these ambitions, developers face growing planning constraints. Seabed conditions, natural habitats and overlaps with other marine users are all important factors that need to be considered in the development of offshore wind farms. A lack of information and reliance on assumptions, however, have caused governments and industry to take a precautionary stance, leading to development delays and, in some cases, cancellations. Delays undermine progress towards secure and sustainable energy systems.

To advance offshore wind deployment, the industry must minimise environmental risks and coexist with nature and other industries. It requires comprehensive research and evidence-based arguments to find a way forward, encouraging collaboration between conservation organisations and developers.

SOLUTION

Building the evidence base to address planning risks

We believe in finding practical solutions to get offshore wind farms from the planning stage to producing energy. That is why, in 2012, we set up the Offshore Renewables Joint Industry Programme (ORJIP) with developers and funders, including The Crown Estate; a sector-wide initiative to study the impact of offshore wind farms and reduce consenting risk for offshore wind farm developments. ORJIP brings together resources from private and public sectors to fund projects that collect real-world data in order to:

  1. Improve understanding of the effects of offshore wind on ocean and marine wildlife
  2. Minimise delays and reduce cancellations of offshore wind developments due to planning consent challenges
  3. Avoid consent conditions that will reduce the viability of the project Working in close collaboration with local regulators and conservation bodies, we:

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Set up an advisory network. Composed of bodies involved in the consenting process for UK offshore wind and environmental research across Europe and the US, the network recommends research gaps and provides a steer on the topics covered.

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Coordinate between offshore wind developers, statutory bodies and conservation charities to build consensus between conflicting parties. These stakeholders are involved early on and throughout the research life cycle until publication to ensure all parties have had their voices heard.

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Manage the research process, so a pragmatic lens lies at the heart of each project. To this end, research focuses on the most pressing issues for consent rounds, e.g. offshore wind’s impact on seabirds and other industries.

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Advise statutory nature conservation bodies on incorporating the findings into guidance.

IMPACT

Reducing development risks for offshore wind

For over a decade, the programme and its advisors have been able to complete research on some of the key criteria for offshore wind farm development, including development across the North Sea. These include the avoidance of seabird collisions, seabird monitoring technologies and clarity on the impact of underwater noise. Although planning and environmental risks for offshore wind will vary across regions, industry programmes like ORJIP show what can be achieved when stakeholders come together to find solutions:

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Between 2019-2025, £2.5 million has been invested to fund 14 studies and improve the evidence base for offshore wind consenting decisions. From bird sensitivity mapping to developing a framework for noise impact assessments, the data should lead to more informed decisions and fewer delays in offshore wind development.

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The 2024 guidance from the Statutory Nature Conservation Bodies regarding bird collision risk modelling features updated avoidance rates, which were informed by ORJIP’s empirical data on bird collision avoidance. The new guidance will impact how offshore wind projects are designed, developed, and operated.

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With this data-driven approach, stakeholders become more aware of offshore wind's coexistence with nature and other industries. Such considerations will grow in importance as consenting criteria focus on the cumulative impacts of offshore wind farms.

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Regions like the US, Latin America and the Asia Pacific can apply ORJIP’s learnings to their own context. The programme now aims to expand its reach and collaborate on projects globally.