Abstract
The UK offshore wind industry requires accelerated transmission infrastructure investment and development to connect 50 GW by 2030. The novel methodology outlined in this paper addresses the identification of optimal landing points for new electrical transmission infrastructure and presents a techno-economic optimisation model of transmission options for offshore wind. The new methodology, quantifies technical installation challenges and environmental mitigation costs at landing point sites and maximises the return on investment for transmission options considering HVDC electricity and green hydrogen. The transmission options were compared and HVDC transmission for all landing points had a higher maximum return on investment (302.2%) compared to offshore green hydrogen transmitted in a subsea pipeline (166.6%). This indicates that HVDC transmission will provide a greater return on investment and that landing point identification is essential to deliver offshore wind.
| Original language | English |
|---|---|
| Pages (from-to) | 89-94 |
| Number of pages | 6 |
| Journal | IET Conference Proceedings |
| Volume | 2025 |
| Issue number | 44 |
| Early online date | 16 Dec 2025 |
| DOIs | |
| Publication status | Published - 1 Feb 2026 |
Funding
This work was funded by UK Research and Innovation as part of the EPSRC and NERC Industrial CDT for Offshore Renewable Energy (IDCORE), Grant number EP/S023933/1. This project is in partnership with SP Energy Networks and I would like to thank my industrial supervisor Eric Leavy, my colleagues Dr. Gordon McKinstry and Laura Dunn and my academic supervisors Dr. Wei Sun, Dr. Julia Race and Dr. Shuyue Lin for their guidance and support.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy -
SDG 9 Industry, Innovation, and Infrastructure
Keywords
- offshore wind industry
- transmission infrastructure
- HVDC
- offshore wind
- subsea pipeline
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